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Fan J, Buma WJ. Molecular beam laser spectroscopic studies of the photoactive properties of resveratrol. Photochem Photobiol Sci 2023:10.1007/s43630-023-00481-7. [PMID: 37921957 DOI: 10.1007/s43630-023-00481-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 09/04/2023] [Indexed: 11/05/2023]
Abstract
Resonance Enhanced MultiPhoton Ionization spectroscopic techniques coupled with laser desorption and supersonic cooling have been employed to elucidate the photoactive properties of resveratrol. The observed excitation spectra give evidence for an internal-energy dependent trans-cis isomerisation pathway in the electronically excited state, while pump-probe studies show dynamics that are in line with what is known for the parent compound, trans-stilbene. Similar studies have been performed on a derivative of resveratrol with methoxy instead of hydroxy groups, a compound aimed to reduce previously observed photodegradation pathways of resveratrol. Time-resolved studies of the latter compound under solution conditions have given further insight into its excited-state dynamics and support the isolated-molecule conclusions on the topology of the potential energy surface of the electronically excited state. Spectroscopic studies under prolonged irradiation conditions show that both compounds suffer from photodegradation, although in the alkylated compound other pathways appear to be involved than in resveratrol.
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Affiliation(s)
- Jiayun Fan
- Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Wybren Jan Buma
- Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands.
- Institute for Molecules and Materials, Radboud University, FELIX Laboratory, Toernooiveld 7c, 6525 ED, Nijmegen, The Netherlands.
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2
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Guo Y, Wang M, Wu Z, Shi Y, Wang Y, Zhang S, Jin B, Cui S, Zhao G. Ultrafast non-adiabatic dynamics of stilbene-based plant-derived sunscreens with cis-trans isomerization structures. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 298:122759. [PMID: 37119635 DOI: 10.1016/j.saa.2023.122759] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/09/2023] [Accepted: 04/15/2023] [Indexed: 05/26/2023]
Abstract
In this work, we investigated the potential UV protection mechanism of the natural compounds hydroxy resveratrol and pterostilbene by combining theoretical calculations and femtosecond transient absorption spectra (FTAS). The UV absorption spectra showed that the two compounds exhibited strong absorption properties and high photostability. We found two molecules will reach the S1 state or an even higher excited state after UV exposure and molecules in S1 will cross a lower energy barrier to reach the conical intersection. The adiabatic trans-cis isomerization process happened and finally return to the ground. Meanwhile, FTAS clarified the time scale of trans-cis isomerization of two molecules was ∼ 10 ps, which also met the requirement of fast energy relaxation. This work also provides theoretical guidance for developing new sunscreen molecules from natural stilbene.
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Affiliation(s)
- Yurong Guo
- Department of Chemistry, MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Mengqi Wang
- Department of Chemistry, MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Zibo Wu
- Department of Chemistry, MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Yanan Shi
- Department of Chemistry, MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Ye Wang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
| | - Song Zhang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
| | - Bing Jin
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
| | - Shen Cui
- Department of Chemistry, MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Guangjiu Zhao
- Department of Chemistry, MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, School of Science, Tianjin University, Tianjin 300354, China.
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3
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Tichý O, Pederzoli M, Pittner J, Burda JV. Vertical Excitation Energies and Lifetimes of the Two Lowest Singlet Excited States of Cytosine, 5-Aza-cytosine, and the Triazine Family: Quantum Mechanics-Molecular Mechanics Studies. J Chem Theory Comput 2023; 19:1976-1985. [PMID: 36961980 PMCID: PMC10100535 DOI: 10.1021/acs.jctc.2c01262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2023]
Abstract
A swarm of semi-classical quantum mechanics/molecular mechanics molecular-dynamics simulations where OM2/MNDO is combined with the Gromacs program for consideration of explicit water is performed, solving the time-dependent Schrödinger equation in each step of the trajectories together with the Tully's fewest switches algorithm. Within this stochastic treatment, time dependent probabilities of the three lowest electronic states are determined. The fact that nucleobases are quickly deactivated is confirmed in the cytosine case where our best lifetime estimation is τ1=0.82 ps for the model with 100 water molecules with the SPCE force field and a time step of 0.1 fs. Lifetimes of the remaining molecules are visibly longer: 5-azacytosine, 2,4-diamino-1,3,5-triazine (DT), and 2,4,6-triamino-1,3,5-triazine (TT) molecules have an S1 → S0 de-excitation time of slightly above 10 ps. The lifetimes of the triazine family increases with the increasing number of exocyclic amino groups, that is, s-triazine < 2-amino-1,3,5-triazine < DT < TT. This can be explained by a higher mobility of the carbon-bonded hydrogen atoms in comparison with heavier amino groups since their movement is slowed down due to a substantially higher mass than hydrogen atoms, which can easier reach the out-of-plane positions required in the conical intersection structures. Moreover, bulkier NH2 ligands suffer due to greater friction caused by the surrounding water environment. These mechanical aspects caused a change in the explored lifetime dependences in comparison with our previous gas-phase study.
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Affiliation(s)
- Ondřej Tichý
- Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16 Prague 2, Czech Republic
| | - Marek Pederzoli
- J. Heyrovský Institute of Physical Chemistry, Academy of Sciences, Dolejškova 3, 182 23 Prague 8, Czech Republic
| | - Jiří Pittner
- J. Heyrovský Institute of Physical Chemistry, Academy of Sciences, Dolejškova 3, 182 23 Prague 8, Czech Republic
| | - Jaroslav V Burda
- Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16 Prague 2, Czech Republic
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Zhang Y, Shang C, Cao Y, Ma M, Sun C. Insights into the photophysical properties of 2-(2'-hydroxyphenyl) benzazoles derivatives: Application of ESIPT mechanism on UV absorbers. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 280:121559. [PMID: 35777226 DOI: 10.1016/j.saa.2022.121559] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/12/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
In this present work, four novel molecules (BPN, BPNS, BPS, and BPSN), possessing excited-state intramolecular proton transfer (ESIPT) characteristics, were designed to quantify the impacts of substituent effects on their photophysical properties. By exploring the primary geometrical parameters concerning hydrogen bonds, it should be noticed that the intramolecular hydrogen bonds (IHBs) of the studied molecules have been strengthened at S1 state. Infrared vibrational spectra analysis illustrates that adding electron-donating group thiophene to the proton donor side can weaken the IHBs in comparison to the electron-withdrawing group pyridine. Through investigating the absorption and fluorescence spectra, it can be clearly found that the maximum absorption peaks of the studied molecules are all located in the UVA region, and their regions of fluorescence peaks are harmless to human skin. Furthermore, considering the light intensity factor, it can be concluded that BPNS is the most potential to be used as UV absorbers in the studied molecules. This work investigates the effects of the positions and types of substituent groups on photophysical properties of 2-(2'-hydroxyphenyl) benzazoles derivatives, which can help design and exploit novel UV absorbers.
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Affiliation(s)
- Yajie Zhang
- College of Science, Northeast Forestry University, Harbin 150040, China
| | - Changjiao Shang
- College of Science, Northeast Forestry University, Harbin 150040, China
| | - Yunjian Cao
- College of Science, Northeast Forestry University, Harbin 150040, China
| | - Min Ma
- College of Science, Northeast Forestry University, Harbin 150040, China
| | - Chaofan Sun
- College of Science, Northeast Forestry University, Harbin 150040, China.
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Chang XP, Yu L, Zhang TS, Cui G. Quantum mechanics/molecular mechanics studies on the mechanistic photophysics of sunscreen oxybenzone in methanol solution. Phys Chem Chem Phys 2022; 24:13293-13304. [PMID: 35607908 DOI: 10.1039/d2cp01263d] [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
Herein, we have employed the QM(CASPT2//CASSCF)/MM method to explore the photophysical and photochemical mechanism of oxybenzone (OB) in methanol solution. Based on the optimized minima, conical intersections and crossing points, and minimum-energy reaction paths related to excited-state intramolecular proton transfer (ESIPT) and excited-state decay paths in the 1ππ*, 1nπ*, 3ππ*, 3nπ*, and S0 states, we have identified several feasible excited-state relaxation pathways for the initially populated S2(1ππ*) state to decay to the initial enol isomer' S0 state. The major one is the singlet-mediated and stretch-torsion coupled ESIPT pathway, in which the system first undergoes an essentially barrierless 1ππ* ESIPT process to generate the 1ππ* keto species, and finally realizes its ground state recovery through the subsequent carbonyl stretch-torsion facilitating S1 → S0 internal conversion (IC) and the reverse ground-state intramolecular proton transfer (GSIPT) process. The minor ones are related to intersystem crossing (ISC) processes. At the S2(1ππ*) minimum, an S2(1ππ*)/S1(1nπ*)/T2(3nπ*) three-state intersection region helps the S2 system branch into the T1 state through a S2 → S1 → T1 or S2 → T2 → T1 process. Once it has reached the T1 state, the system may relax to the S0 state via direct ISC or via subsequent nearly barrierless 3ππ* ESIPT to yield the T1 keto tautomer and ISC. The resultant S0 keto species significantly undergoes reverse GSIPT and only a small fraction yields the trans-keto form that relaxes back more slowly. However, due to small spin-orbit couplings at T1/S0 crossing points, the ISC to S0 state occurs very slowly. The present work rationalizes not only the ultrafast excited-state decay dynamics of OB but also its phosphorescence emission at low temperature.
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Affiliation(s)
- Xue-Ping Chang
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China.
| | - Li Yu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China.
| | - Teng-Shuo Zhang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Ganglong Cui
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, China
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A High Performance 2-Hydroxynaphthalene Acylhydrazone Fluorescent Chemosensor for Detection of Al3+ Ions Through ESIPT and PET Signalling Mechanism. J CLUST SCI 2022. [DOI: 10.1007/s10876-022-02258-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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7
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Navarro-Orcajada S, Conesa I, Vidal-Sánchez FJ, Matencio A, Albaladejo-Maricó L, García-Carmona F, López-Nicolás JM. Stilbenes: Characterization, bioactivity, encapsulation and structural modifications. A review of their current limitations and promising approaches. Crit Rev Food Sci Nutr 2022; 63:7269-7287. [PMID: 35234546 DOI: 10.1080/10408398.2022.2045558] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Stilbenes are phenolic compounds naturally synthesized as secondary metabolites by the shikimate pathway in plants. Research on them has increased in recent years due to their therapeutic potential as antioxidant, antimicrobial, anti-inflammatory, anticancer, cardioprotective and anti-obesity agents. Amongst them, resveratrol has attracted the most attention, although there are other natural and synthesized stilbenes with enhanced properties. However, stilbenes have some physicochemical and pharmacokinetic problems that need to be overcome before considering their applications. Human clinical evidence of their bioactivity is still controversial due to this fact and hence, exhaustive basis science on stilbenes is needed before applied science. This review gathers the main physicochemical and biological properties of natural stilbenes, establishes structure-activity relationships among them, emphasizing the current problems that limit their applications and presenting some promising approaches to overcome these issues: the encapsulation in different agents and the structural modification to obtain novel stilbenes with better features. The bioactivity of stilbenes should move from promising to evident.
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Affiliation(s)
- Silvia Navarro-Orcajada
- Departamento de Bioquímica y Biología Molecular-A, Facultad de Biología, Universidad de Murcia-Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
| | - Irene Conesa
- Departamento de Bioquímica y Biología Molecular-A, Facultad de Biología, Universidad de Murcia-Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
| | - Francisco José Vidal-Sánchez
- Departamento de Bioquímica y Biología Molecular-A, Facultad de Biología, Universidad de Murcia-Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
| | | | - Lorena Albaladejo-Maricó
- Departamento de Bioquímica y Biología Molecular-A, Facultad de Biología, Universidad de Murcia-Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
| | - Francisco García-Carmona
- Departamento de Bioquímica y Biología Molecular-A, Facultad de Biología, Universidad de Murcia-Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
| | - José Manuel López-Nicolás
- Departamento de Bioquímica y Biología Molecular-A, Facultad de Biología, Universidad de Murcia-Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
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8
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Tichý O, Burda JV. Estimation of electron absorption spectra and lifetime of the two lowest singlet excited states of pyrimidine nucleobases and their derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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9
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Zhang M, Wang M, Guo Y, Shi Y, Wang J, Chen Y, Zhao C, Zhou Y, Xiao Y, Zhang H, Zhao G. Unveiling the nonadiabatic photoisomerization mechanism of hemicyanines for UV photoprotection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 260:119949. [PMID: 34023551 DOI: 10.1016/j.saa.2021.119949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/15/2021] [Accepted: 05/08/2021] [Indexed: 06/12/2023]
Abstract
In this work, the nonadiabatic energy relaxation mechanism of hemicyanines for UV photoprotection were investigated by using the density functional theory (DFT) and time-dependent density functional theory (TDDFT) method for the first time. The absorption spectra and potential energy surfaces (PESs) of four hemicyanines with different positions of substituents were presented. The maximum absorption peaks of the four hemicyanines are located in the UVA region. In addition, all these hemicyanine molecules also have light absorption in both the UVB and UVC regions. At the same time, we found that the trans-cis photoisomerization PESs of all these hemicyanines have a significant conical intersection (CI) point between the first excited state and the ground state. Herein, it was first demonstrated that the UV energy absorbed by the hemicyanines could be dissipated nonadiabatically through the CI point by using the trans-cis photoisomerization dynamics mechanism. This work proves that hemicyanines have the possibility to be applied for UV photoabsorbers, and provides important basis for designing new type of hemicyanines for UV photoprotection.
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Affiliation(s)
- Mingshui Zhang
- College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, Heilongjiang Province 163318, China
| | - Mengqi Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Yurong Guo
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Yanan Shi
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Jun Wang
- College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, Heilongjiang Province 163318, China.
| | - Yibing Chen
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Chenyang Zhao
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Yi Zhou
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Yongze Xiao
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Haoyue Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Guangjiu Zhao
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China.
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10
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Wu Z, Wang M, Guo Y, Ji F, Wang C, Wang S, Zhang J, Wang Y, Zhang S, Jin B, Zhao G. Nonadiabatic Dynamics Mechanism of Chalcone Analogue Sunscreen FPPO-HBr: Excited State Intramolecular Proton Transfer Followed by Conformation Twisting. J Phys Chem B 2021; 125:9572-9578. [PMID: 34433282 DOI: 10.1021/acs.jpcb.1c05809] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Nowadays, traditional sunscreen molecules face many adverse problems: single energy relaxation pathway, lack of adequate UVA light protection, and therefore no longer meeting the growing demand for UVA protection. In this work, we reported a novel sunscreen molecule (E)-3-(5-bromofuran-2-yl)-1-(2-hydroxyphenyl)prop-2-en-1-one (hereinafter referred to as FPPO-HBr) which tackled adverse problems of traditional sunscreen molecules as single energy relaxation pathway, lacking effective UVA light protection. Various nonradiative pathways were proposed and verified by combining the steady-state and femtosecond transient absorption (FTA) spectroscopy and theoretical calculation. Upon UV excitation, the FPPO-HBr mainly decays via excited-state intramolecular proton transfer (ESIPT) followed by conformation twist in ultrafast manner. Importantly, 1H NMR spectra proved that the FPPO-HBr could not undergo trans-cis photoisomerization. Additionally, excellent photostability was also observed for newly synthesized FPPO-HBr. The current work could provide new perspectives for sunscreen molecules synthesis and mechanism.
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Affiliation(s)
- Zibo Wu
- MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Mengqi Wang
- MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Yurong Guo
- MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical engineering Education, School of Science, Tianjin University, Tianjin 300354, China.,New Sunscreens Development and UV Photoprotection Research Center, Tianjin ChenyinSTI Co., Ltd., Xinghua Road at Xeda, Tianjin 300385, China
| | - Feixiang Ji
- MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Chao Wang
- MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Shiping Wang
- MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical engineering Education, School of Science, Tianjin University, Tianjin 300354, China
| | - Jingran Zhang
- MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical engineering Education, School of Science, Tianjin University, Tianjin 300354, China.,New Sunscreens Development and UV Photoprotection Research Center, Tianjin ChenyinSTI Co., Ltd., Xinghua Road at Xeda, Tianjin 300385, China
| | - Ye Wang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science, Chinese Academy of Sciences, Wuhan 430071, China
| | - Song Zhang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science, Chinese Academy of Sciences, Wuhan 430071, China
| | - Bing Jin
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science, Chinese Academy of Sciences, Wuhan 430071, China
| | - Guangjiu Zhao
- MeChem Group, Molecular Dynamic Chemistry Center, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical engineering Education, School of Science, Tianjin University, Tianjin 300354, China
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11
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Ji F, Guo Y, Wang M, Wu Z, Shi Y, Zhao X, Wang H, Feng X, Zhao G. Excited state electronic structures and photochemistry of different oxidation states of 2,2'-azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 253:119503. [PMID: 33610101 DOI: 10.1016/j.saa.2021.119503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/21/2020] [Accepted: 01/17/2021] [Indexed: 06/12/2023]
Abstract
The molecular structures of 2,2-azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), were calculated by using time-dependent density functional theory (TDDFT) model with M062X method with 6-311G (d, p) basis set. In this work, the ABTS were theoretically investigated from the geometric structure, the energy levels of the lowest unoccupied molecular orbital (LUMO) and the highest occupied molecular orbital (HOMO), the energy level gap ΔEHOMO-LUMO of the molecular ground state, excited stated properties and the electronic absorption spectra of different oxidation states. We studied the energy levels of LUMO and HOMO of ABTS in different oxidation states. Frontier molecular orbital analysis can provide insight into the nature of excited states. ABTS was synthesized from N-ethylamine by total synthesis. Then, we measured the UV-Vis spectra of ABTS before and after being oxidized by K2S2O8. The calculated electronic structures and photochemical properties of different oxidation state of ABTS were in accordance with the experimental result. This work demonstrates the relationship between the electronic structures and photochemistry of different oxidation states ABTS hence paves the way for the rationally synthesis and deepen understanding of the photophysical properties of ABTS materials.
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Affiliation(s)
- Feixiang Ji
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Institute of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, National Virtual Simulation Experimental Teaching Center for Chemistry & Chemical Engineering Education, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Yurong Guo
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Institute of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, National Virtual Simulation Experimental Teaching Center for Chemistry & Chemical Engineering Education, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Mengqi Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Institute of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, National Virtual Simulation Experimental Teaching Center for Chemistry & Chemical Engineering Education, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Zibo Wu
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Institute of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, National Virtual Simulation Experimental Teaching Center for Chemistry & Chemical Engineering Education, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Yanan Shi
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Institute of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, National Virtual Simulation Experimental Teaching Center for Chemistry & Chemical Engineering Education, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Xiaoying Zhao
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Institute of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, National Virtual Simulation Experimental Teaching Center for Chemistry & Chemical Engineering Education, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Haiyuan Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Institute of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, National Virtual Simulation Experimental Teaching Center for Chemistry & Chemical Engineering Education, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Xia Feng
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Institute of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, National Virtual Simulation Experimental Teaching Center for Chemistry & Chemical Engineering Education, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China
| | - Guangjiu Zhao
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Institute of Chemistry, National Demonstration Center for Experimental Chemistry & Chemical Engineering Education, National Virtual Simulation Experimental Teaching Center for Chemistry & Chemical Engineering Education, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, China.
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12
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Wang M, Shi Y, Guo Y, Chen Y, Zhao C, Zhou Y, Xiao Y, Wang Y, Zhang S, Jin B, Wu Z, Zhao G. Nonadiabatic dynamics Mechanisms of natural UV Photoprotection ompounds chlorogenic acid and isochlorogenic acid a: Double conjugated structures but single photoexcited channel. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114725] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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