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Rana B, Hohenstein EG, Martínez TJ. Simulating the Excited-State Dynamics of Polaritons with Ab Initio Multiple Spawning. J Phys Chem A 2024; 128:139-151. [PMID: 38110364 DOI: 10.1021/acs.jpca.3c06607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Over the past decade, there has been a growth of interest in polaritonic chemistry, where the formation of hybrid light-matter states (polaritons) can alter the course of photochemical reactions. These hybrid states are created by strong coupling between molecules and photons in resonant optical cavities and can even occur in the absence of light when the molecule is strongly coupled with the electromagnetic fluctuations of the vacuum field. We present a first-principles model to simulate nonadiabatic dynamics of such polaritonic states inside optical cavities by leveraging graphical processing units (GPUs). Our first implementation of this model is specialized for a single molecule coupled to a single-photon mode confined inside the optical cavity but with any number of excited states computed using complete active space configuration interaction (CASCI) and a Jaynes-Cummings-type Hamiltonian. Using this model, we have simulated the excited-state dynamics of a single salicylideneaniline (SA) molecule strongly coupled to a cavity photon with the ab initio multiple spawning (AIMS) method. We demonstrate how the branching ratios of the photodeactivation pathways for this molecule can be manipulated by coupling to the cavity. We also show how one can stop the photoreaction from happening inside of an optical cavity. Finally, we also investigate cavity-based control of the ordering of two excited states (one optically bright and the other optically dark) inside a cavity for a set of molecules, where the dark and bright states are close in energy.
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Affiliation(s)
- Bhaskar Rana
- Department of Chemistry and The PULSE Institute, Stanford University, Stanford, California 94305, United States
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
| | - Edward G Hohenstein
- Department of Chemistry and The PULSE Institute, Stanford University, Stanford, California 94305, United States
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
| | - Todd J Martínez
- Department of Chemistry and The PULSE Institute, Stanford University, Stanford, California 94305, United States
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
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2
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Zhang J, Wang K, Sun Y. A Simple Schiff Base Probe for Quintuplicate-Metal Analytes with Four Emission-Wavelength Responses. Molecules 2023; 28:6400. [PMID: 37687230 PMCID: PMC10490265 DOI: 10.3390/molecules28176400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/24/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
A versatile mono-Schiff compound consisting of o-aminobenzene-hydroxyjulolidine (ABJ-MS) has been easily synthesized using a one-step reaction. ABJ-MS displays four diverse fluorescence responses to the addition of Zn2+/Al3+/Fe3+/Ag+, with the maximum fluorescence emission at 530 nm undergoing a hypsochromic shift to 502/490/440/430 nm, synchronously with the discriminating fluorescence enhancement being 10.6/22.8/2.6/7.1-fold, respectively. However, the addition of Cu2+ into ABJ-MS leads to an opposite behavior, namely, fluorescence quenching. Meanwhile, ABJ-MS also displays distinct absorption changes after adding these five metal ions due to different binding affinities between them and ABJ-MS, which gives ABJ-MS quite a versatile detecting nature for Cu2+/Zn2+/Al3+/Fe3+/Ag+. Moreover, ABJ-MS can mimic a series of versatile AND/OR/INH-consisting logic circuits on the basis of the Cu2+/Zn2+/Al3+/Fe3+/Ag+-mediated diverse optical responses. These will endow the smart ABJ-MS molecule and potential applications in the multi-analysis chemosensory and molecular logic material fields.
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Affiliation(s)
- Jingzhe Zhang
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;
- Beijing Municipal Research Institute of Eco-Environmental Protection, Beijing 100037, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kaili Wang
- Beijing Municipal Research Institute of Eco-Environmental Protection, Beijing 100037, China
- State Environmental Protection Engineering (Beijing) Center for Industrial Wastewater Pollution Control, Beijing 100037, China
| | - Yilu Sun
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;
- University of Chinese Academy of Sciences, Beijing 100049, China
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3
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Weragoda GK, Abdelaziz NM, Govorov D, Merugu R, Patton LJ, Grabo JE, Ranaweera RAAU, Ratliff AC, Mendis WD, Ahmed N, Vilinsky KH, Abe M, Baldwin MJ, Gudmundsdottir AD. Excited-State Intramolecular Proton Transfer in Salicylidene-α-Hydroxy Carboxylate Derivatives: Direct Detection of the Triplet Excited State of the cis-Keto Tautomer. J Phys Chem A 2023; 127:2765-2778. [PMID: 36926906 DOI: 10.1021/acs.jpca.3c00543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
Excited-state intramolecular hydrogen transfer on the triplet surface of salicylideneaniline derivatives has received much less attention than the corresponding ultrafast process on the singlet surface. To enhance the understanding of this triplet reactivity, the photochemical properties of a series of salicylidene-α-hydroxy acid salts with different substituents on the phenol moiety (1-3) were characterized. UV/vis absorption and phosphorescence measurements in ethanol revealed that 1-3 exist as both enol and keto tautomers, with the enol form being predominant. Irradiation of 1 at 310 nm in ethanol glass (77 K) yielded an absorption band with a λmax at ∼405 nm, which was assigned to the trans-keto tautomer (trans-1K). In contrast, laser flash photolysis of 1-3 in methanol or acetonitrile resulted in a transient absorption with λmax at 440-460 nm. This transient, which decayed on the microsecond timescale and was significantly shorter lived in methanol than in acetonitrile, was assigned to the triplet excited state (T1) of the cis-keto tautomer (cis-1K-3K) and residual absorption of trans-1K-3K by comparison with TD-DFT calculations. The assignment of the T1 of cis-1K was further supported by quenching studies with anthracene and 2,5-dimethyl-2,4-hexadiene. Laser flash photolysis of 1 in the temperature range of 173-293 K gave an activation barrier of 6.7 kcal/mol for the decay of the T1 of cis-1K. In contrast, the calculated activation barrier for cis-1K to undergo a 1,5-H atom shift to reform 1 was smaller, indicating that intersystem crossing of the T1 of cis-1K is the rate-determining step in the regeneration of 1.
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Affiliation(s)
- Geethika K Weragoda
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Nayera M Abdelaziz
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Dmitrii Govorov
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Rajkumar Merugu
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Leanna J Patton
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Jennifer E Grabo
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - R A A Upul Ranaweera
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Anna C Ratliff
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - W Dinindu Mendis
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Noha Ahmed
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Katrin H Vilinsky
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Manabu Abe
- Department of Chemistry, Graduate School of Advanced Science and Engineering and International Institute for Sustainability with Knotted Chiral Meta Matter (WPI-SKCM2), Hiroshima University, Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Michael J Baldwin
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Anna D Gudmundsdottir
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
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Artmann K, Pollok CH, Merten C, Nuernberger P. Wavelength-dependent photochemistry of a salicylimine derivative studied with cryogenic and ultrafast spectroscopy approaches. Phys Chem Chem Phys 2022; 24:30017-30026. [PMID: 36472246 DOI: 10.1039/d2cp04488a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Salicylimines are versatile compounds in which an excited-state intramolecular proton transfer and torsional motions may set in upon photoexcitation. Here, we study N-(α-phenylethyl)salicylimine (PESA) to elucidate how the photochemical reaction pathways depend on the excitation wavelength and to what extent the relative photoproduct distribution can be steered towards a desired species. DFT structure and potential energy calculations disclose that the most stable ground-state conformer is an enol species and that the photodynamics may proceed differently depending on the excited state that is reached. With matrix isolation infrared spectroscopy, the predominance of the enol conformer of PESA is confirmed. Illumination of the cryogenic sample with different wavelengths shifts the ratio of enol and keto products, and by sequential irradiation a selective re- and depopulation is possible. Femtosecond transient absorption spectroscopy further reveals that also at room temperature, the outcome of the photoreaction depends on excitation wavelength, and in combination with the calculations, it can be rationalized that the decisive step occurs within the first hundred femtoseconds. Since the ultrafast dynamics mostly match those of similar salicylimines, our findings might also apply to those systems and provide additional insight into their reported sensitivity on excitation energy.
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Affiliation(s)
- Kevin Artmann
- Institut für Physikalische und Theoretische Chemie, Universität Regensburg, 93040, Regensburg, Germany.
| | - Corina H Pollok
- Organic Chemistry II, Ruhr University Bochum, 44780, Bochum, Germany.
| | - Christian Merten
- Organic Chemistry II, Ruhr University Bochum, 44780, Bochum, Germany.
| | - Patrick Nuernberger
- Institut für Physikalische und Theoretische Chemie, Universität Regensburg, 93040, Regensburg, Germany.
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Zhang F, Feng Y, Song X, Bu Y. Enhancing magnetic coupling through protonation of benzylideneaniline-bridged diradicals and comparison with stilbene- and azobenzene-based diradicals. RSC Adv 2022; 12:31442-31450. [PMID: 36349011 PMCID: PMC9627958 DOI: 10.1039/d2ra05115j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 10/27/2022] [Indexed: 09/10/2023] Open
Abstract
Taking nitroxide radicals as spin sources, we explore the intramolecular magnetic coupling interactions of the trans- and cis-forms of benzylideneaniline (BA)-bridged diradicals, in which the central -CH[double bond, length as m-dash]N- unit can undergo single protonation to convert to its protonated counterpart or vice versa. The calculated results for these two pairs of diradicals (protonated versus unprotonated trans and cis forms) verify that the signs of their magnetic coupling constants J do not change, but the magnitudes significantly increase after protonation. In the structure, the better conjugation of the protonated trans diradical and two reduced CCNC and CCCN torsion angles of the protonated cis one make for a more efficient spin transport, promoting the spin polarization, thus leading to larger spin couplings. In terms of mechanism, the proton-induced magnetic enhancement should be attributed to strong participation of the coupler BA through its lowest unoccupied molecular orbital (LUMO) with a lower energy level after protonation, and the small HOMO-LUMO (HOMO: highest occupied molecular orbital) gap of the coupler BA through protonation is crucial in explaining such remarkable spin-coupling enhancement. Furthermore, different linking modes of the radical groups to the couplers are also considered to confirm our conclusions. In addition, we also make a comparison of the magnetic coupling strengths among their isoelectronic analogues of BA-, AB- and stilbene-bridged nitroxide diradicals before or after protonation, and find a linear correlation among them. It should be noted that the magnetic behaviors of all these diradicals obey the spin alternation rule and singly occupied molecular orbital (SOMO) effect. This work provides helpful information for the rational design of promising magnetic molecular switches.
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Affiliation(s)
- Fengying Zhang
- Department of Materials Science and Engineering, Jinzhong University Jinzhong 030619 People's Republic of China
| | - Yiwei Feng
- School of Chemistry and Chemical Engineering, Shandong University Jinan 250100 People's Republic of China
| | - Xinyu Song
- School of Chemistry and Chemical Engineering, Shandong University Jinan 250100 People's Republic of China
| | - Yuxiang Bu
- School of Chemistry and Chemical Engineering, Shandong University Jinan 250100 People's Republic of China
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Carneiro LM, Keppler AF, Ferreira FF, Homem-de-Mello P, Bartoloni FH. Mechanisms for the Deactivation of the Electronic Excited States of α-(2-Hydroxyphenyl)- N-phenylnitrone: From Intramolecular Proton and Charge Transfer to Structure Twisting and Aggregation. J Phys Chem B 2022; 126:7373-7384. [DOI: 10.1021/acs.jpcb.2c03924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Leonardo Martins Carneiro
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Avenida dos Estados, 5001, Bloco A, Santo André 09210-580, São Paulo, Brazil
| | - Artur Franz Keppler
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Avenida dos Estados, 5001, Bloco A, Santo André 09210-580, São Paulo, Brazil
| | - Fabio Furlan Ferreira
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Avenida dos Estados, 5001, Bloco A, Santo André 09210-580, São Paulo, Brazil
| | - Paula Homem-de-Mello
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Avenida dos Estados, 5001, Bloco A, Santo André 09210-580, São Paulo, Brazil
| | - Fernando Heering Bartoloni
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Avenida dos Estados, 5001, Bloco A, Santo André 09210-580, São Paulo, Brazil
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7
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Nath S, Bhattacharya B, Sarkar U, Singh TS. Solvent Effects on the Photophysical Properties of a Donor-acceptor Based Schiff Base. J Fluoresc 2022; 32:1321-1336. [PMID: 35366165 DOI: 10.1007/s10895-022-02905-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 02/13/2022] [Indexed: 11/24/2022]
Abstract
In this work, a donor-acceptor substituted aromatic system ((E)-N-((E)-3-(4 (dimethylamino)phenyl) allylidene)-4-(trifluoromethyl) benzenamine (DPATB) has been synthesized and its detailed photophysics of intramolecular charge transfer process have been explored on the basis of steady state absorption, fluorescence and time resolved spectroscopy in combination with density functional theory calculations. Large solvent dependency fluorescence spectral shift and the calculated large excited state dipole moment clearly indicate an efficient charge transfer occurring from the donor group to the acceptor moiety in the excited state. Effect on addition of acid and pH on steady state spectral properties further reveals excited state charge transfer character. Quantum chemical calculations were performed in order to study the conformation and polarity of DPATB at their ground as well as excited electronic states. The HOMO and LUMO molecular orbital pictures are obtained at DFT level using B3LYP functional and 6-311 + g(d,p) basis set which clearly support excited state intramolecular charge transfer process. The molecular electrostatic potential maps for the optimized ground state, donor twisted and acceptor twisted geometry shed insight on the electrostatic potential and charge distribution in a system which gives information about the reacting site of the probe and nature of the reaction. In this work, detailed photophysics of excited state intramolecular charge transfer process in donor-acceptor system (DPATB) was evaluated using steady state and time-resolved fluorescence spectroscopy in combination with density functional theory calculations. Large solvent dependency fluorescence spectral shift and the calculated large excited state dipole moment clearly indicate an efficient charge transfer occurring in DPATB. Molecular orbital pictures as obtained from DFT based computational analysis reveals a significant change in the distribution of electron density upon transition from HOMO to LUMO which confirms an ICT process occurring from the donor group to the acceptor moiety in the excited state.
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Affiliation(s)
- Surjatapa Nath
- Department of Chemistry, Assam University, Silchar, Assam, India
| | | | - Utpal Sarkar
- Department of Physics, Assam University, Silchar, India
| | - T Sanjoy Singh
- Department of Chemistry, Assam University, Silchar, Assam, India.
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8
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Sah C, Mahadevan A, Kumar P, Venkataramani S. The curious case of the photochemistry of 2-hydroxyphenylazo-3,5-dimethylisoxazole: Unravelling the process among tautomer-ization, photoisomerization, and conformational changes. Phys Chem Chem Phys 2022; 24:7848-7855. [DOI: 10.1039/d1cp05344b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoswitching in azo compounds is well established. Typically, the planar trans molecule (native) can undergo isomerization to cis isomer and vice versa in solution by light. However, observing such photochemistry...
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9
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Abstract
Aggregation-induced emission (AIE), usually referring to the phenomenon in which molecules emit more strongly in the aggregate state than in the solution state, is intriguing and promising in various optoelectronic and biosensing applications. In this Perspective, the basic principles that can lead to AIE and experimental evidence to reveal the AIE mechanism of tetraphenyl ethylene (TPE)-type molecules are discussed. AIE is the consequence of two factors: (1) the fast energy dissipation by crossing a conical intersection (CI) in solutions but not in solids results in low luminescence efficiencies in the solutions, and (2) the weak intermolecular coupling and thus slow intermolecular energy/charge transfers in the AIE solids effectively prevent quenching and result in relatively high luminescence efficiencies. The key to AIE is that the luminescence efficiency is tuned by controlling molecules to cross or not to cross a CI by changing the phase of molecules. How fast a molecule can cross a CI is dependent on the energy barrier of isomerization, which can be tuned in many ways, including mechanical or electrical stimuli, in addition to changing phases. Barrier-dependent crossing CI also results in a very important consequence: excitation-wavelength-dependent fluorescence yield within one electronic excited state, an anti-Vavilov's rule phenomenon. In principle, there can be an alternative way to tune luminescence efficiency by manipulating the formation of CIs instead of crossing or not crossing them. This approach relies on the fact that the electronic ground state and the excited state have many different properties, e.g., dipole moment. By tuning the environment, e.g., dielectric constant, to favor or disfavor one state, one may be able to lift or lower the potential surface of one state so that the potential surfaces of two states can vary between intersected and not contacted.
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Affiliation(s)
- Jianxin Guan
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
| | - Chengzhen Shen
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
| | - Jie Peng
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
| | - Junrong Zheng
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
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Photophysical property change of N-(5-bromo-salicylidene)-3-aminoethylpyridine monohydrated crystals via dehydration phase transition. Z KRIST-CRYST MATER 2021. [DOI: 10.1515/zkri-2020-0091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The crystals of N-salicylideneaniline (SA) and SA derivatives are classic functional materials that exhibit reversible colour changes (photochromism) and/or excited-state intramolecular proton transfer (ESIPT) fluorescence emission under ultraviolet (UV) light irradiation. In this study, a novel SA derivative was synthesised with an extended alkyl chain, N-(5-bromo-salicylidene)-3-aminoethylpyridine (5Br-SAEP). The photophysical properties of 5Br-SAEP were characterised in the crystalline state. The monohydrated crystal (1H) of 5Br-SAEP was dehydrated to form the anhydrous crystal (1A) at a relative humidity of less than 76%. The photochromic activity was switched by the dehydration phase transition from the non-photochromic 1H to the photochromic 1A. The quantum yield of fluorescence decreased significantly from 8% in 1H to 3% in 1A. The in situ change of photophysical properties occurred due to the change in the crystal structure. This indicated the potential of the solvated crystals of the SAEP derivatives for applications in novel switching or smart materials.
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Ding S, Xu A, Sun A, Xia Y, Liu Y. Substituent effect on ESIPT and hydrogen bond mechanism of N-(8-Quinolyl) salicylaldimine: A detailed theoretical exploration. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 245:118937. [PMID: 32977109 DOI: 10.1016/j.saa.2020.118937] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 08/18/2020] [Accepted: 09/07/2020] [Indexed: 06/11/2023]
Abstract
The effects of substituent on excited-state intramolecular proton transfer (ESIPT) and hydrogen bonding of N-(8-Quinolyl) salicylaldimine (QS) have been studied by theoretical calculation with DFT and TDDFT. The representative electron-withdrawing nitryl and electron-donating methoxyl were selected to analyze the effects on geometries, intramolecular hydrogen bond interaction, absorption/fluorescence spectra, and the ESIPT process. The configurations of the three molecules (QS, QS-OMe and QS-NO2) were optimized in the ground and excited states. The structure parameters, infrared spectra, hydrogen bond interactions, frontier molecular orbitals, absorption/fluorescence spectra, and potential curves have cross-validated the current results. The results show that the introduction of substituent results in a bathochromic-shift of the absorption and fluorescence spectra with large Stokes shift, and is more beneficial to the ESIPT process. The current work will be beneficial to the improvement of ESIPT properties and deepen understanding of the mechanism of ESIPT process.
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Affiliation(s)
- Sha Ding
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, China; School of Civil Engineering, Hunan University of Technology, Zhuzhou 412007, China; Hunan Key Laboratory of Biomass Fiber Functional Materials, Hunan University of Technology, Zhuzhou 412007, China
| | - Aixiang Xu
- School of Civil Engineering, Hunan University of Technology, Zhuzhou 412007, China
| | - Aokui Sun
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, China
| | - Yong Xia
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, China; Hunan Key Laboratory of Biomass Fiber Functional Materials, Hunan University of Technology, Zhuzhou 412007, China; College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China.
| | - Yuejun Liu
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, China
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12
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Kandappa SK, Valloli LK, Ahuja S, Parthiban J, Sivaguru J. Taming the excited state reactivity of imines – from non-radiative decay to aza Paternò–Büchi reaction. Chem Soc Rev 2021; 50:1617-1641. [DOI: 10.1039/d0cs00717j] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This review highlights the excited state characteristics of imines and processes that govern their photochemical and photophysical properties.
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Affiliation(s)
- Sunil Kumar Kandappa
- Center for Photochemical Sciences and Department of Chemistry
- Bowling Green State University
- Bowling Green
- Ohio 43403
- USA
| | - Lakshmy Kannadi Valloli
- Center for Photochemical Sciences and Department of Chemistry
- Bowling Green State University
- Bowling Green
- Ohio 43403
- USA
| | - Sapna Ahuja
- Center for Photochemical Sciences and Department of Chemistry
- Bowling Green State University
- Bowling Green
- Ohio 43403
- USA
| | - Jayachandran Parthiban
- Center for Photochemical Sciences and Department of Chemistry
- Bowling Green State University
- Bowling Green
- Ohio 43403
- USA
| | - J. Sivaguru
- Center for Photochemical Sciences and Department of Chemistry
- Bowling Green State University
- Bowling Green
- Ohio 43403
- USA
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13
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Ponnusamy K, Ramamurthy K, Chellappan S. Thermal-Induced Twisting and Photoinduced Planarization of Salicylideneaniline in Alcohols. J Phys Chem A 2020; 124:1885-1895. [PMID: 32077297 DOI: 10.1021/acs.jpca.9b09526] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Thermofluorochromism and photochromism of salicylideneaniline (SA) in alcohol were investigated using steady-state and time-resolved fluorescence and absorption spectroscopy. The planar trans-enol form of SA in alcohols is converted into the twisted trans-enol form on heating. This conversion results change in the emission maximum from the 530 to the 440 nm region with an increase in fluorescence intensity, which confirms the absence of intramolecular hydrogen bonding between imine nitrogen and phenolic hydrogen in the twisted trans-enol form. The activation barrier for thermal-induced formation of the twisted trans-enol form in methanol was determined experimentally and was found to be 20.15 ± 2.22 kcal/mol. The rotation of the phenolic C7-C8 and C7-N1 bond followed by breaking of the intramolecular hydrogen bond and formation of an intermolecular hydrogen bond with alcohol solvent molecules results in the thermally stable twisted trans-enol form in alcohol solvents. The biexponential nature of the fluorescence decay of the twisted trans-enol form of SA confirms that the emission originates from multiple (π-π* and n-π*) excited states. On photolysis under UV light, the twisted trans-enol form is converted back into the planar trans-enol form. The time-resolved absorption and excitation-resolved fluorescence spectrum of SA in methanol confirm the existence of the twisted cis-keto form as a transient photochromic intermediate in the light-induced planarization of SA in alcohols. In alcohols, an interplay between the intra- and intermolecular hydrogen-bonding controls excited-state reaction dynamics and conformational relaxation of SA, which are responsible for the photochromism of salicylideneaniline.
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Affiliation(s)
- Karunakaran Ponnusamy
- National Centre for Ultrafast Processes, University of Madras, Chennai 600 113 Tamil Nadu, India
| | - Kannan Ramamurthy
- National Centre for Ultrafast Processes, University of Madras, Chennai 600 113 Tamil Nadu, India
| | - Selvaraju Chellappan
- National Centre for Ultrafast Processes, University of Madras, Chennai 600 113 Tamil Nadu, India
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14
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Barboza CA, Gawrys P, Banasiewicz M, Suwinska K, Sobolewski AL. Photophysical transformations induced by chemical substitution to salicylaldimines. Phys Chem Chem Phys 2020; 22:6698-6705. [DOI: 10.1039/d0cp00110d] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The role of electron-acceptor strength and microenvironment polarity on the photophysical properties of salicylaldimines.
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Affiliation(s)
| | - Pawel Gawrys
- Physics Institute
- Polish Academy of Sciences
- Warsaw
- Poland
| | | | - Kinga Suwinska
- Faculty of Mathematics and Natural Sciences
- Cardinal Stefan Wyszynski University in Warsaw
- Warsaw
- Poland
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15
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Maulén B, Echeverri A, Gómez T, Fuentealba P, Cárdenas C. Electron Localization Function in Excited States: The Case of the Ultrafast Proton Transfer of the Salicylidene Methylamine. J Chem Theory Comput 2019; 15:5532-5542. [DOI: 10.1021/acs.jctc.9b00691] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Boris Maulén
- Departamento de Física, Facultad de Ciencias, Universidad de Chile, Casilla 653, Santiago, Chile
| | - Andrea Echeverri
- Departamento de Física, Facultad de Ciencias, Universidad de Chile, Casilla 653, Santiago, Chile
| | - Tatiana Gómez
- Instituto de Ciencias Químicas Aplicadas, Theoretical and Computational Chemistry Center, Facultad de Ingeniería, Universidad Autónoma de Chile, Av. El Llano Subercaseaux 2801, San Miguel, Santiago, Chile
| | - Patricio Fuentealba
- Departamento de Física, Facultad de Ciencias, Universidad de Chile, Casilla 653, Santiago, Chile
- Centro para el Desarrollo de la Nanociencia y la Nanotecnología (CEDENNA), Avda. Ecuador 3493, Santiago 9170124, Chile
| | - Carlos Cárdenas
- Departamento de Física, Facultad de Ciencias, Universidad de Chile, Casilla 653, Santiago, Chile
- Centro para el Desarrollo de la Nanociencia y la Nanotecnología (CEDENNA), Avda. Ecuador 3493, Santiago 9170124, Chile
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16
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Photochromic cycle of two N-salicylidene-p-X-anilines revealed by the dynamics over 10 orders of magnitude. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.03.130] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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17
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A Spectroscopic Study of Tautomeric Equilibrium of Salicylideneaniline in ZSM-5 Zeolites. Molecules 2019; 24:molecules24040795. [PMID: 30813273 PMCID: PMC6412596 DOI: 10.3390/molecules24040795] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 02/18/2019] [Accepted: 02/19/2019] [Indexed: 11/30/2022] Open
Abstract
Salicylideneaniline (SA) sorbed in cation-exchanged M-ZSM-5 (M = H+, Li+, Na+, K+, Rb+, Cs+ and Zn2+) zeolites was studied by spectroscopic techniques assisted by quantum-chemical calculations. The nature of extra-framework cations present in the zeolite void was found to affect the spectral signature of the sorbed SA molecule that points to the shift of tautomeric equilibrium between the enol and keto forms. Small size cations, such as H+ and Li+, stabilize a cis-keto SA tautomer along with a enol one in the zeolite structure. The calculations indicate that the sorbed cis-keto tautomer may have the dipole large enough to be considered as a zwitterion. New features appearing in the spectra with the increase of the cation size were attributed to the presence of trans-keto SA tautomer, which up to now has been observed only in time-resolved spectroscopic experiments. A strong interaction of the molecule with cations in Zn-ZSM-5 zeolite results in the chelation of enol SA with the divalent Zn2+ ions. The results of the study suggest that the tautomeric equilibrium of molecules belonging to the Schiff base family can be tuned by the confinement in the nanoporous materials via a choice of topology of zeolite framework and the nature of extra-framework cations.
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18
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Wiethaus G, Toldo JM, da Silveira Santos F, da Costa Duarte R, Gonçalves PFB, Rodembusch FS. Experimental and theoretical investigation of long-wavelength fluorescence emission in push–pull benzazoles: intramolecular proton transfer or charge transfer in the excited state? Phys Chem Chem Phys 2019; 21:4408-4420. [DOI: 10.1039/c8cp05186k] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ESIPT is disfavoured and charge-transfer emission, prior to ESIPT, seems to be responsible for long-emission wavelengths.
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Affiliation(s)
- Guilherme Wiethaus
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada
- Universidade Federal do Rio Grande do Sul – Instituto de Química
- Porto Alegre-RS
- Brazil
| | - Josene Maria Toldo
- Grupo de Química Teórica e Computacional
- Universidade Federal do Rio Grande do Sul – Instituto de Química
- Porto Alegre-RS
- Brazil
| | - Fabiano da Silveira Santos
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada
- Universidade Federal do Rio Grande do Sul – Instituto de Química
- Porto Alegre-RS
- Brazil
| | - Rodrigo da Costa Duarte
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada
- Universidade Federal do Rio Grande do Sul – Instituto de Química
- Porto Alegre-RS
- Brazil
| | - Paulo Fernando Bruno Gonçalves
- Grupo de Química Teórica e Computacional
- Universidade Federal do Rio Grande do Sul – Instituto de Química
- Porto Alegre-RS
- Brazil
| | - Fabiano Severo Rodembusch
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada
- Universidade Federal do Rio Grande do Sul – Instituto de Química
- Porto Alegre-RS
- Brazil
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19
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Zhang J, Zhao Z, Shang H, Liu Q, Liu F. An easy-to-synthesize multi-photoresponse smart sensor for rapidly detecting Zn2+ and quantifying Fe3+ based on the enol/keto binding mode. NEW J CHEM 2019. [DOI: 10.1039/c9nj03635k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A readily available salicylaldazine-modified fluorene Schiff base (EASA-F) exhibits fast fluorescent OFF–ON response to Zn2+ and OFF–ON–OFF behavior to Fe3+ synchronously accompanied the diverse absorption-ratiometric and colorimetric changes.
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Affiliation(s)
- Jingzhe Zhang
- School of Water Resources and Environment
- China University of Geosciences
- Beijing 100083
- China
| | - Zheng Zhao
- School of Information Engineering
- China University of Geosciences
- Beijing 100083
- China
| | - Hong Shang
- School of Science
- China University of Geosciences
- Beijing 100083
- China
| | - Qingsong Liu
- School of Water Resources and Environment
- China University of Geosciences
- Beijing 100083
- China
| | - Fei Liu
- School of Water Resources and Environment
- China University of Geosciences
- Beijing 100083
- China
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20
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Muriel WA, Morales-Cueto R, Rodríguez-Córdoba W. Unravelling the solvent polarity effect on the excited state intramolecular proton transfer mechanism of the 1- and 2-salicylideneanthrylamine. A TD-DFT case study. Phys Chem Chem Phys 2019; 21:915-928. [DOI: 10.1039/c8cp06298f] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
TD-DFT has been used to investigate the relaxation pathways of 1- and 2-salicylideneanthrylamine in different solvent environments.
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Affiliation(s)
- Wilver A. Muriel
- Universidad Nacional de Colombia – Sede Medellín
- Facultad de Ciencias
- Escuela de Física
- Laboratorio de Fotónica y Optoelectrónica
- Medellín
| | - Rodrigo Morales-Cueto
- Centro de Investigaciones Químicas
- Instituto de Investigación en Ciencias Básicas y Aplicadas
- Universidad Autónoma del Estado de Morelos
- 62209 Cuernavaca Morelos
- Mexico
| | - William Rodríguez-Córdoba
- Universidad Nacional de Colombia – Sede Medellín
- Facultad de Ciencias
- Escuela de Física
- Laboratorio de Fotónica y Optoelectrónica
- Medellín
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21
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Tang Z, Lu M, Liu K, Zhao Y, Qi Y, Wang Y, Zhang P, Zhou P. Solvation effect on the ESIPT mechanism of 2-(4′-amino-2′-hydroxyphenyl)-1H-imidazo-[4,5-c]pyridine. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.08.028] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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22
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Muriel WA, Botero-Cadavid JF, Cárdenas C, Rodríguez-Córdoba W. A theoretical study of the photodynamics of salicylidene-2-anthrylamine in acetonitrile solution. Phys Chem Chem Phys 2018; 20:29399-29411. [PMID: 30451250 DOI: 10.1039/c8cp06145a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ultrafast photoinduced processes of salicylidene-2-anthrylamine (2-AntSA) in acetonitrile solution have been investigated using DFT/TD-DFT static electronic structure calculations and excited state ab initio molecular dynamics simulations. Two different isoenergetic enol ground-state structures with suitable geometry for excited state intramolecular proton transfer (ESIPT) where chosen for the excited-state dynamics. The S1 relaxed potential energy profiles for the excited state intramolecular proton transfer and the N[double bond, length as m-dash]C double bond isomerization reactions predict that both reactions occur over an energy barrier and that they are competitive processes in the deactivation of the Franck-Condon state. The photodynamic simulations show that the ESIPT occurs in the femtosecond time scale for both conformers (77 and 213 fs for IA and IIA, respectively) and that the speed is modulated by the ability of the conformers to evolve toward a planar conformation in the S1 state. The trajectories predict two conical intersections which provide nonradiative relaxation pathways to the S0 state. The first one is located in the twisted enol region, where the proton transfer process is unlikely, and only occurs for the conformer IIA in a time scale ≥600 fs. The second conical intersection is located in the cis-keto region, and represents an effective depopulation channel toward the trans-keto form. All our results are in remarkably good agreement with experiments.
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Affiliation(s)
- Wilver A Muriel
- Universidad Nacional de Colombia - Sede Medellín, Facultad de ciencias, Escuela de Física, Laboratorio de Fotónica y Optoelectrónica, Calle 59 A No 63-20, A.A. 3840, Medellín, Colombia.
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23
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Liedy F, Bäppler F, Waldt E, Nosenko Y, Imanbaew D, Bhunia A, Yadav M, Diller R, Kappes MM, Roesky PW, Schooss D, Riehn C. Photodynamics and Luminescence of Mono- and Tri-Nuclear Lanthanide Complexes in the Gas Phase and in Solution. Chemphyschem 2018; 19:3050-3060. [DOI: 10.1002/cphc.201800599] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Indexed: 01/15/2023]
Affiliation(s)
- Florian Liedy
- Department of Physics; Technische Universität Kaiserslautern; Erwin-Schrödinger Str. 46, D- 67663 Kaiserslautern Germany
| | - Florian Bäppler
- Department of Physics; Technische Universität Kaiserslautern; Erwin-Schrödinger Str. 46, D- 67663 Kaiserslautern Germany
| | - Eugen Waldt
- Institute of Nanotechnology; Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Yevgeniy Nosenko
- Department of Chemistry; Technische Universität Kaiserslautern; Erwin-Schrödinger Str. 52, D- 67663 Kaiserslautern Germany
| | - Dimitri Imanbaew
- Department of Chemistry; Technische Universität Kaiserslautern; Erwin-Schrödinger Str. 52, D- 67663 Kaiserslautern Germany
| | - Asamanjoy Bhunia
- Institute of Inorganic Chemistry; Karlsruhe Institute of Technology (KIT) Engesserstr. 15, D- 76131 Karlsruhe Germany
| | - Munendra Yadav
- Institute of Inorganic Chemistry; Karlsruhe Institute of Technology (KIT) Engesserstr. 15, D- 76131 Karlsruhe Germany
| | - Rolf Diller
- Department of Physics; Technische Universität Kaiserslautern; Erwin-Schrödinger Str. 46, D- 67663 Kaiserslautern Germany
| | - Manfred M. Kappes
- Institute of Nanotechnology; Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- Institute of Physical Chemistry; Karlsruhe Institute of Technology (KIT); Fritz-Haber-Weg 2, D- 76131 Karlsruhe Germany
| | - Peter W. Roesky
- Institute of Inorganic Chemistry; Karlsruhe Institute of Technology (KIT) Engesserstr. 15, D- 76131 Karlsruhe Germany
| | - Detlef Schooss
- Institute of Nanotechnology; Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- Institute of Physical Chemistry; Karlsruhe Institute of Technology (KIT); Fritz-Haber-Weg 2, D- 76131 Karlsruhe Germany
| | - Christoph Riehn
- Department of Chemistry; Technische Universität Kaiserslautern; Erwin-Schrödinger Str. 52, D- 67663 Kaiserslautern Germany
- Research Center OPTIMAS; Erwin-Schrödinger Str. 46, D- 67663 Kaiserslautern Germany
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24
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Zhao L, Liu J, Zhou P. The photoinduced isomerization mechanism of the 2-(1-(methylimino)methyl)-6-chlorophenol (SMAC): Nonadiabatic surface hopping dynamics simulations. J Chem Phys 2018; 149:034309. [PMID: 30037240 DOI: 10.1063/1.5034379] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The photophysical properties of the Schiff base family are crucial for their applications such as molecular switches and molecular memories. However, it was found that the photophysical behavior is not uniform for all Schiff base molecules, which shows a significant substituent dependent property. In this article, we studied the photoisomerization mechanism of one Schiff base chlorosubstituted derivative 2-(1-(methylimino)methyl)-6-chlorophenol by employing geometrical optimization, energy profiles scanning, and on-the-fly dynamical simulations. Three types of minimum energy conical intersections were located on the S1/S0 crossing seam, with two characterized by twisting motion of the C=N bond and one featured with the excited state intramolecular proton transfer process and then twisting motion around the C=C bond [excited-state intramolecular proton transfer process (ESIPT)-then-twisting]. By a combination of the dynamics simulation results with the energy profiles scanned along with the ESIPT coordinate, it was found that the photophysical property of the targeted molecule is different from that of most Schiff base members, which prefer to decay by a twisting motion around the C=N bridge bond rather than the ESIPT-then-twisting channel. The minor ESIPT channel is probably governed by a tunneling mechanism. The proposed deactivation mechanism can provide a reasonable explanation for the observations in the experiment and would provide fundamental indications for further design of new and efficient photochromic products.
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Affiliation(s)
- Li Zhao
- School of Science, China University of Petroleum, Qingdao 266580, Shandong, China
| | - Jianyong Liu
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Panwang Zhou
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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25
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Pijeau S, Foster D, Hohenstein EG. Effect of Nonplanarity on Excited-State Proton Transfer and Internal Conversion in Salicylideneaniline. J Phys Chem A 2018; 122:5555-5562. [DOI: 10.1021/acs.jpca.8b02426] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Shiela Pijeau
- Department of Chemistry and Biochemistry, The City College of New York, New York, New York 10031, United States
| | - Donneille Foster
- Department of Chemistry and Biochemistry, The City College of New York, New York, New York 10031, United States
| | - Edward G. Hohenstein
- Department of Chemistry and Biochemistry, The City College of New York, New York, New York 10031, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
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26
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Wang F, Qi T, Su Z, Xie Y. Theoretical study on the optical response behavior to hydrogen chloride gas of a series of Schiff-base-based star-shaped structures. J Mol Model 2018; 24:58. [PMID: 29453758 DOI: 10.1007/s00894-018-3603-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 01/30/2018] [Indexed: 11/25/2022]
Abstract
Schiff-base compounds have many applications in the field of optoelectronic materials and chemical sensing because of their appealing coordination ability, and simple and easily accessible use in structural modification. Herein, five kinds of star-shaped Schiff-base compounds were designed and their optical response behavior to hydrogen chloride (HCl) gas was studied using dependent/time-dependent density functional theory (DFT/TDDFT). Moreover, the relationship between structures and properties was investigated upon changing the benzene group into N atom or triazine group at the core-position and introducing a methoxyl (-OCH3) or nitro (-NO2) group into the star-shaped Schiff-bases at the tail of the branches. The results show that all five Schiff-bases could be candidates for HCl gas sensing materials. Furthermore, introducing an electron-donating group at either the core or the tail forms a charge transfer channel with the electron deficient H-bonded imino group, which is convenient for charge transfer and subsequently promotes a red-shift in absorption spectra and fluorescence quenching.
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Affiliation(s)
- Fei Wang
- Department of Chemistry, Faculty of Science, Yanbian University, Yanji, 133002, People's Republic of China
| | - Tianhong Qi
- Department of Chemistry, Faculty of Science, Yanbian University, Yanji, 133002, People's Republic of China
| | - Zhongmin Su
- Department of Chemistry, Faculty of Science, Yanbian University, Yanji, 133002, People's Republic of China.,Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, People's Republic of China
| | - Yuzhong Xie
- Department of Chemistry, Faculty of Science, Yanbian University, Yanji, 133002, People's Republic of China.
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27
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Gao A, Li J, Wang D, Ma X, Wang M. Nonadiabatic dynamics simulation of photoisomerization mechanism of the second stablest isomer of N-salicilydenemethylfurylamine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 191:315-324. [PMID: 29055276 DOI: 10.1016/j.saa.2017.10.041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 10/07/2017] [Accepted: 10/12/2017] [Indexed: 06/07/2023]
Abstract
The photoisomerization processes of the second stablest isomer in the aromatic Schiff base, N-salicilydenemethylfurylamine, in the gas phase have been studied by static electronic structure calculations and surface-hopping dynamics simulations based on the Zhu-Nakamura theory. Various stable structures are obtained in the optimization because of different orientations of methyl-furyl part with respect to the salicylaldimine part and different orientations of hydroxy group with respect to the benzene ring. Upon photoexcitation into the first excited state, bond isomerization in the salicylaldimine part is completely suppressed until the strong excited-state hydrogen bond is broken. The decay pathway involves two excited-state minima, one in cis-enol form and the other in cis-keto form. After the excited-state proton transfer, twists of bonds lead to a conical intersection between the ground and excited states. After internal conversion around a conical intersection, the molecule is stabilized in cis- or trans-keto form. If the reverse hydrogen transfer process occurs in the ground state, the molecule will finally end up in the cis-enol region. The cis-keto and trans-keto isomers are observed as photoproducts. According to our full-dimensional nonadiabatic dynamics simulations, we find the excited-state intramolecular proton transfer and torsions of three single bonds in the chain to be responsible for photoisomerization of the second stablest isomer of N-salicilydenemethylfurylamine.
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Affiliation(s)
- Aihua Gao
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China.
| | - Jianpeng Li
- Technical Test Center, Shengli Oil-field, Sinopec, Dongying 257000, China
| | - Dehua Wang
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China
| | - Xiaoguang Ma
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China
| | - Meishan Wang
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China.
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28
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Alarcos N, Sánchez F, Douhal A. Interrogating ultrafast dynamics of a salicylideneaniline derivative within faujasite zeolites. Chem Phys Lett 2017. [DOI: 10.1016/j.cplett.2017.02.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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29
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Pijeau S, Foster D, Hohenstein EG. Excited-State Dynamics of 2-(2′-Hydroxyphenyl)benzothiazole: Ultrafast Proton Transfer and Internal Conversion. J Phys Chem A 2017; 121:4595-4605. [DOI: 10.1021/acs.jpca.7b01215] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Shiela Pijeau
- Department
of Chemistry and Biochemistry, The City College of New York, New York, New York 10031, United States
| | - Donneille Foster
- Department
of Chemistry and Biochemistry, The City College of New York, New York, New York 10031, United States
| | - Edward G. Hohenstein
- Department
of Chemistry and Biochemistry, The City College of New York, New York, New York 10031, United States
- Ph.D.
Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
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30
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Gao AH, Wang MS. Nonadiabaticab initiomolecular dynamics study of photoisomerization inN-salicilydenemethylfurylamine (SMFA). J Chem Phys 2017; 146:124312. [DOI: 10.1063/1.4979060] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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31
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Kieda RD, Dunkelberger AD, Case AS, Crim FF. Solvent Dependent Dynamics of Salicylidene Aniline in Binary Mixtures of Supercritical CO2 with 1-Propanol or Cyclohexane. J Phys Chem B 2017; 121:835-842. [DOI: 10.1021/acs.jpcb.6b05959] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ryan D. Kieda
- Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Adam D. Dunkelberger
- Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Amanda S. Case
- Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - F. Fleming Crim
- Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
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32
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Khan T, Datta A. Enhanced fluorescence with nanosecond dynamics in the solid state of metal ion complexes of alkoxy salophens. Phys Chem Chem Phys 2017; 19:30120-30127. [DOI: 10.1039/c7cp05429g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Incorporation of an alkoxy moiety dramatically alters the photophysics and molecular packing of aluminum complexes of salophen leading to enhanced emission in the solid state.
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Affiliation(s)
- Tuhin Khan
- Department of Chemistry
- Indian Institute of Technology Bombay
- Powai
- Mumbai-400076
- India
| | - Anindya Datta
- Department of Chemistry
- Indian Institute of Technology Bombay
- Powai
- Mumbai-400076
- India
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33
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Omidyan R, Iravani M. Excited-state intramolecular proton transfer and photoswitching in hydroxyphenyl-imidazopyridine derivatives: A theoretical study. J Chem Phys 2016; 145:184303. [DOI: 10.1063/1.4967199] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Reza Omidyan
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Maryam Iravani
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
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34
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Zhao L, Liu J, Zhou P. New Insight into the Photoisomerization Process of the Salicylidene Methylamine under Vacuum. J Phys Chem A 2016; 120:7419-26. [DOI: 10.1021/acs.jpca.6b05719] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Li Zhao
- State
Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Jianyong Liu
- State
Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Panwang Zhou
- State
Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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35
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Theoretical investigation of 2-(iminomethyl)phenol in the gas phase as a prototype of ultrafast excited-state intramolecular proton transfer. Chem Phys Lett 2016. [DOI: 10.1016/j.cplett.2016.05.065] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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Yang D, Zheng R, Wang Y, Lv J. Theoretical investigation on ESIPT mechanism of a new fluorescent sensor in different solvents. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 159:30-34. [PMID: 26827174 DOI: 10.1016/j.saa.2016.01.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 01/11/2016] [Accepted: 01/19/2016] [Indexed: 06/05/2023]
Abstract
In the present work, a new phenylbenzimidazole derivatized fluorescent sensor (L) (J. Lumin. 147 (2014) 179), has been investigated on the excited state proton transfer (ESPT) based on the time-dependent density functional theory (TDDFT) method. The calculated absorption and fluorescence spectra based on the TDDFT method are in agreement with the experimental results. Two kinds of structures of L chromophore are found in the first excited (S1) state, which may be due to the proton transfer reactive. Hydrogen bond strengthening has been testified in the S1 state based on comparing staple bond lengths and bond angles involved in hydrogen bonding between the S0 state and the S1 state. In addition, the calculated infrared spectra at the N-H stretching vibrational region and calculated hydrogen bond energy also declare the phenomenon of hydrogen bond strengthening. The frontier molecular orbitals (MOs) and Mulliken's charge distribution analysis method as well as natural bond orbital (NBO) demonstrate the charge distribution, which provides the tendency of ESIPT reaction. The potential energy surfaces of the S0 and S1 states are constructed to explain the mechanism of the proton transfer in the excited state in detail. In addition, the ESIPT process of sensor L is dependent on different solvents.
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Affiliation(s)
- Dapeng Yang
- College of Mathematics and Information Science, North China University of Water Resources and Electric Power, Zhengzhou 450045, China; State Key Laboratory of Molecular Reaction Dynamics, Theoretical and Computational Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Rui Zheng
- College of Mathematics and Information Science, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
| | - Yusheng Wang
- College of Mathematics and Information Science, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
| | - Jian Lv
- College of Mathematics and Information Science, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
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37
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Tian Z, Cui S, Liu G, Wang R, Pu S. A new fluorescent sensor for Zn2+
based on diarylethene with a 4-diethylamino-salicylaldehyde Schiff base unit. J PHYS ORG CHEM 2016. [DOI: 10.1002/poc.3552] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zhaoyan Tian
- Jiangxi Key Laboratory of Organic Chemistry; Jiangxi Science and Technology Normal University; Nanchang 330013 China
| | - Shiqiang Cui
- Jiangxi Key Laboratory of Organic Chemistry; Jiangxi Science and Technology Normal University; Nanchang 330013 China
| | - Gang Liu
- Jiangxi Key Laboratory of Organic Chemistry; Jiangxi Science and Technology Normal University; Nanchang 330013 China
| | - Renjie Wang
- Jiangxi Key Laboratory of Organic Chemistry; Jiangxi Science and Technology Normal University; Nanchang 330013 China
| | - Shouzhi Pu
- Jiangxi Key Laboratory of Organic Chemistry; Jiangxi Science and Technology Normal University; Nanchang 330013 China
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38
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Synthesis, Characterization, Thermochromism, and Photochromism of Aromatic Aldehyde Hydrazone Derivatives. J CHEM-NY 2016. [DOI: 10.1155/2016/8460462] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The Schiff bases N-(5-phenylthiazole-2-yl)-2-hydroxylnaphthaldehydehydrazone (1), N-(4′-chloro-5-phenylthiazole-2-yl)-2-hydroxylnaphthaldehydehydrazone (2), and N-(4′-nitro-5-phenylthiazole-2-yl)-2-hydroxylnaphthaldehydehydrazone (3) were synthesized. These compounds were characterized by using IR,1H NMR,13C NMR, and MS. The photochromism of the compounds was investigated by IR and UV-visible spectrometry which is time variable under irradiation of 254 nm UV light. The thermochromism of the compounds was studied using temperature-variable IR, UV-visible spectrometry, TG, and differential scanning calorimetry (DSC). The results suggested that compound2showed thermochromism properties and compounds2and3displayed photochromism properties. The relationship between the substituents species and photochromic or thermochromic properties of these compounds was revealed as well.
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39
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Moosavi-Tekyeh Z, Dastani N. Intramolecular hydrogen bonding in N-salicylideneaniline: FT-IR spectrum and quantum chemical calculations. J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2015.09.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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40
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Yang D, Zheng R, Wang Y, Lv J. The ESIPT mechanism of dibenzimidazolo diimine sensor: a detailed TDDFT study. J PHYS ORG CHEM 2015. [DOI: 10.1002/poc.3513] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Dapeng Yang
- College of Mathematics and Information Science; North China University of Water Resources and Electric Power; Zhengzhou 450045 China
- State Key Laboratory of Molecular Reaction Dynamics, Theoretical and Computational Chemistry, Dalian Institute of Chemical Physics; Chinese Academy of Sciences; Dalian 116023 China
| | - Rui Zheng
- College of Mathematics and Information Science; North China University of Water Resources and Electric Power; Zhengzhou 450045 China
| | - Yusheng Wang
- College of Mathematics and Information Science; North China University of Water Resources and Electric Power; Zhengzhou 450045 China
| | - Jian Lv
- College of Mathematics and Information Science; North China University of Water Resources and Electric Power; Zhengzhou 450045 China
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41
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Steinwand S, Halbritter T, Rastädter D, Ortiz-Sánchez JM, Burghardt I, Heckel A, Wachtveitl J. Ultrafast Spectroscopy of Hydroxy-Substituted Azobenzenes in Water. Chemistry 2015; 21:15720-31. [DOI: 10.1002/chem.201501863] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Indexed: 12/21/2022]
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42
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Avadanei M, Kuş N, Cozan V, Fausto R. Structure and Photochemistry of N-Salicylidene-p-carboxyaniline Isolated in Solid Argon. J Phys Chem A 2015; 119:9121-32. [PMID: 26273723 DOI: 10.1021/acs.jpca.5b06516] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Infrared matrix isolation spectroscopy and DFT/B3LYP/6-311++G(d,p) calculations have been used to characterize the conformational space of the enol-imine and keto-amine tautomers of N-salicylidene-p-carboxyaniline (SCA) in both their E and Z isomeric forms. Monomers of SCA were isolated in an argon matrix (15 K), which was shown to contain only the most stable conformer of the E-enol isomer of the compound. The matrix-isolated E-enol was then subjected to in situ UV irradiation (λ = 335; 345 nm, provided by a laser/MOPO system, or λ > 235 nm, provided by a Hg(Xe) broad-band source), and the photoinduced processes probed by infrared spectroscopy. Two photoreaction channels were observed, with a branching ratio of ∼1:1, corresponding to E-enol → Z-enol isomerization and E-enol → E-keto tautomerization. Both processes were found to be rather effective, with practically complete consumption of the reactant after broad-band irradiation by 1 min only. Identification among the photoproduced species of the Z-enol conformer that differs from the reactant only by E-to-Z isomerization suggests the initial photoproduction of this conformer, which subsequently decays into the lowest energy Z-enol conformer (also identified experimentally). The E-enol → E-keto tautomerization requires an excited state intramolecular proton transfer and twisting about the exocyclic CC bond of the molecule. These processes most probably take place sequentially. However, in the present study the Z-keto isomer, which should act as intermediate in this sequence of processes, could not be detected, most probably due to its short lifetime under the used experimental conditions. On the contrary, the detailed structural and vibrational characterization of the photoproduced E-keto form was successfully achieved.
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Affiliation(s)
- Mihaela Avadanei
- "P. Poni" Institute of Macromolecular Chemistry , 700487 Iasi, Romania
| | - Nihal Kuş
- Department of Chemistry, University of Coimbra , 3004-535 Coimbra, Portugal.,Department of Physics, Anadolu University , 26470 Eskişehir, Turkey
| | - Vasile Cozan
- "P. Poni" Institute of Macromolecular Chemistry , 700487 Iasi, Romania
| | - Rui Fausto
- Department of Chemistry, University of Coimbra , 3004-535 Coimbra, Portugal
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43
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Shimayama K, Karim MR, Amolegbe SA, Nakaya M, Nakamura M, Ohtani R, Lndoy LF, Hayami S. Photoswitching of the dielectric property of salicylideneaniline. J INCL PHENOM MACRO 2015. [DOI: 10.1007/s10847-015-0524-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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44
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Guan PJ, Cui G, Fang Q. Computational photochemistry of the azobenzene scaffold of Sudan I and Orange II dyes: excited-state proton transfer and deactivation via conical intersections. Chemphyschem 2015; 16:805-11. [PMID: 25572608 DOI: 10.1002/cphc.201402743] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Indexed: 11/10/2022]
Abstract
We employed the complete active space self-consistent field (CASSCF) and its multistate second-order perturbation (MS-CASPT2) methods to explore the photochemical mechanism of 2-hydroxyazobenzene, the molecular scaffold of Sudan I and Orange II dyes. It was found that the excited-state intramolecular proton transfer (ESIPT) along the bright diabatic (1) ππ* state is barrierless and ultrafast. Along this diabatic (1) ππ* relaxation path, the system can jump to the dark (1) nπ* state via the (1) ππ*/(1) nπ* crossing point. However, ESIPT in this dark state is largely inhibited owing to a sizeable barrier. We also found two deactivation channels that decay (1) ππ* keto and (1) nπ* enol species to the ground state via two energetically accessible S1 /S0 conical intersections. Finally, we encountered an interesting phenomenon in the excited-state hydrogen-bonding strength: it is reinforced in the (1) ππ* state, whereas it is reduced in the (1) nπ* state. The present work sets the stage for understanding the photophysics and photochemistry of Sudan I-IV, Orange II, Ponceau 2R, Ponceau 4R, and azo violet.
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Affiliation(s)
- Pei-Jie Guan
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875 (China)
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45
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Gutiérrez-Arzaluz L, Cortés-Guzmán F, Rocha-Rinza T, Peón J. Ultrafast excited state hydrogen atom transfer in salicylideneaniline driven by changes in aromaticity. Phys Chem Chem Phys 2015; 17:31608-12. [DOI: 10.1039/c5cp03699b] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Quantum chemical topology shows that (i) the ultrafast excited state intramolecular proton transfer in salicylideneaniline occurs after considerable loss in aromaticity upon photoexcitation and (ii) the transferred species has a charge intermediate between that in a bare proton and a neutral hydrogen atom.
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Affiliation(s)
- Luis Gutiérrez-Arzaluz
- Institute of Chemistry
- National Autonomous University of México
- Circuito Exterior
- Ciudad Universitaria
- Delegación Coyoacán C.P. 04510
| | - Fernando Cortés-Guzmán
- Institute of Chemistry
- National Autonomous University of México
- Circuito Exterior
- Ciudad Universitaria
- Delegación Coyoacán C.P. 04510
| | - Tomás Rocha-Rinza
- Institute of Chemistry
- National Autonomous University of México
- Circuito Exterior
- Ciudad Universitaria
- Delegación Coyoacán C.P. 04510
| | - Jorge Peón
- Institute of Chemistry
- National Autonomous University of México
- Circuito Exterior
- Ciudad Universitaria
- Delegación Coyoacán C.P. 04510
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46
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Tang HH, Zhang L, Zeng LL, Fang XM, Lin LR, Zhang H. A pair of Schiff base enantiomers studied by absorption, fluorescence, electronic and vibrational circular dichroism spectroscopies and density functional theory calculation. RSC Adv 2015. [DOI: 10.1039/c5ra02154e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
A pair of enantiomeric Schiff bases were synthesized and characterized, in particular their absolute configurations were determined by vibrational circular dichroism spectroscopy.
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Affiliation(s)
- Hui-Hui Tang
- College of Chemistry and Chemical Engineering
- The University of Xiamen
- Xiamen
- P. R. China
| | - Lu Zhang
- College of Chemistry and Chemical Engineering
- The University of Xiamen
- Xiamen
- P. R. China
| | - Li-Li Zeng
- College of Chemistry and Chemical Engineering
- The University of Xiamen
- Xiamen
- P. R. China
| | - Xue-Ming Fang
- College of Chemistry and Chemical Engineering
- The University of Xiamen
- Xiamen
- P. R. China
| | - Li-Rong Lin
- College of Chemistry and Chemical Engineering
- The University of Xiamen
- Xiamen
- P. R. China
| | - Hui Zhang
- College of Chemistry and Chemical Engineering
- The University of Xiamen
- Xiamen
- P. R. China
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47
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Houari Y, Chibani S, Jacquemin D, Laurent AD. TD-DFT Assessment of the Excited State Intramolecular Proton Transfer in Hydroxyphenylbenzimidazole (HBI) Dyes. J Phys Chem B 2014; 119:2180-92. [DOI: 10.1021/jp505036d] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ymène Houari
- Laboratoire
CEISAM - UMR CNR 6230, Université de Nantes, 2 Rue de la
Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Siwar Chibani
- Laboratoire
CEISAM - UMR CNR 6230, Université de Nantes, 2 Rue de la
Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Denis Jacquemin
- Laboratoire
CEISAM - UMR CNR 6230, Université de Nantes, 2 Rue de la
Houssinière, BP 92208, 44322 Nantes Cedex 3, France
- Institut Universitaire
de France, 103, bd Saint-Michel, F-75005 Paris Cedex 05, France
| | - Adèle D. Laurent
- Laboratoire
CEISAM - UMR CNR 6230, Université de Nantes, 2 Rue de la
Houssinière, BP 92208, 44322 Nantes Cedex 3, France
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48
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Spörkel L, Jankowska J, Thiel W. Photoswitching of salicylidene methylamine: a theoretical photodynamics study. J Phys Chem B 2014; 119:2702-10. [PMID: 25341075 PMCID: PMC4479613 DOI: 10.1021/jp5095678] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Photoswitching
of simple photochromic molecules attracts substantial
attention because of its possible role in future photon-driven molecular
electronics. Here we model the full photoswitching cycle of a minimal
photochromic Schiff base–salicylidene methylamine (SMA). We
perform semiempirical nonadiabatic on-the-fly photodynamics simulations
at the OM2/MRCI level and thoroughly analyze the structural time evolution
and switching efficiency of the system. We also identify and examine
in detail the crucial steps in the SMA photochemistry ruled by excited-state
intramolecular proton transfer. The results place the investigated
model aromatic Schiff base among the promising candidates for novel
photoswitching molecular materials. Our study also shows the potential
of the semiempirical multireference photodynamics simulations as a
tool for early stage molecular photodevice design.
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Affiliation(s)
- Lasse Spörkel
- Max-Planck-Institut für Kohlenforschung , Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
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49
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Wang L, Zhang Y, Li Y, He H, Zhang J. Photoinduced excited state intramolecular proton transfer of 2-(2′-hydroxyphenyl)phenanthro[9,10-d]oxazole: A comprehensive theoretical study. J Photochem Photobiol A Chem 2014. [DOI: 10.1016/j.jphotochem.2014.07.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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50
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Avadanei M, Cozan V, Shova S, Paixão JA. Solid state photochromism and thermochromism of two related N-salicylidene anilines. Chem Phys 2014. [DOI: 10.1016/j.chemphys.2014.10.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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