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Valiev RR, Nasibullin RT, Cherepanov VN, Baryshnikov GV, Sundholm D, Ågren H, Minaev BF, Kurtén T. First-principles calculations of anharmonic and deuteration effects on the photophysical properties of polyacenes and porphyrinoids. Phys Chem Chem Phys 2020; 22:22314-22323. [PMID: 33020794 DOI: 10.1039/d0cp03231j] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new method for calculating internal conversion rate constants (k[combining low line]IC), including anharmonic effects and using the Lagrangian multiplier technique, is proposed. The deuteration effect on k[combining low line]IC is investigated for naphthalene, anthracene, free-base porphyrin (H2P) and tetraphenylporphyrin (H2TPP). The results show that anharmonic effects are important when calculating k[combining low line]IC for transitions between electronic states that are energetically separated (ΔE) by more than 20 000-25 000 cm-1. Anharmonic effects are also important when ΔE < 20 000-25 000 cm-1 and when the accepting modes are X-H stretching vibrations with a frequency larger than 2000 cm-1. The calculations show that there is mixing between the S1 and S2 states of naphthalene induced by non-adiabatic interactions. The non-adiabatic interaction matrix element between the S1 and S2 states is 250 cm-1 and 50 cm-1 for the normal and fully deuterated naphthalene structure and this difference significantly affects the estimated fluorescence quantum yield. Besides aromatic hydrocarbons H2P and H2TPP, the k[combining low line]IC rate constant is also calculated for pyrometene (PM567) and tetraoxa[8]circulene (4B) with a detailed analysis of the effect of the vibrational anharmonicity.
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Affiliation(s)
- R R Valiev
- University of Helsinki, Department of Chemistry, P.O. Box 55, (A.I. Virtanens plats 1), FIN-00014 University of Helsinki, Finland.
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Baryshnikov GV, Valiev RR, Cherepanov VN, Karaush-Karmazin NN, Minaeva VA, Minaev BF, Ågren H. Aromaticity and photophysics of tetrasila- and tetragerma-annelated tetrathienylenes as new representatives of the hetero[8]circulene family. Phys Chem Chem Phys 2019; 21:9246-9254. [DOI: 10.1039/c9cp01608b] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The electronic structure, absorption and emission spectra, aromaticity and photophysical behavior of the recently synthesized tetrasilatetrathia[8]circulene and tetragermatetrathia[8]circulene compounds have been studied computationally.
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Affiliation(s)
- G. V. Baryshnikov
- Division of Theoretical Chemistry and Biology
- School of Engineering Sciences in Chemistry
- Biotechnology and Health
- KTH Royal Institute of Technology
- Stockholm
| | - R. R. Valiev
- Research School of Chemistry & Applied Biomedical Sciences
- National Research Tomsk Polytechnic University
- Tomsk 634050
- Russia
- Department of Chemistry
| | | | - N. N. Karaush-Karmazin
- Department of Chemistry and Nanomaterials Science
- Bohdan Khmelnytsky National University
- Cherkasy
- Ukraine
| | - V. A. Minaeva
- Department of Chemistry and Nanomaterials Science
- Bohdan Khmelnytsky National University
- Cherkasy
- Ukraine
| | - B. F. Minaev
- Department of Chemistry and Nanomaterials Science
- Bohdan Khmelnytsky National University
- Cherkasy
- Ukraine
| | - H. Ågren
- Division of Theoretical Chemistry and Biology
- School of Engineering Sciences in Chemistry
- Biotechnology and Health
- KTH Royal Institute of Technology
- Stockholm
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Valiev RR, Baryshnikov GV, Sundholm D. Relations between the aromaticity and magnetic dipole transitions in the electronic spectra of hetero[8]circulenes. Phys Chem Chem Phys 2018; 20:30239-30246. [PMID: 30474088 DOI: 10.1039/c8cp05694c] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Magnetically induced current densities have been calculated at the second-order Møller-Plesset perturbation theory (MP2) level for seven hetero[8]circulenes and their dicationic and dianionic forms. Calculations of the magnetic dipole transition moments have also been carried out at the algebraic diagrammatic construction (ADC(2)) and the second-order approximate coupled-cluster (CC2) levels. The calculations show that the degree of aromaticity and the size of the magnetic dipole transition moment of the lowest magnetic-dipole allowed excited state are related. We show that neutral hetero[8]circulenes are weakly antiaromatic when the first excited state with a large magnetic dipole transition moment of 10-16 a.u. lies at high energies (∼2.8-3.5 eV). For the dications, this transition often lies at much lower energies. Hetero[8]circulene dications with large magnetic dipole transition moments are strongly antiaromatic. The lowest excited states of the hetero[8]circulene dianions have very small magnetic dipole transition moments implying that they are aromatic.
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Affiliation(s)
- R R Valiev
- Tomsk State University, 36 Lenin Avenue, 634050, Tomsk, Russian Federation.
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Karaush NN, Minaeva VA, Baryshnikov GV, Minaev BF, Ågren H. Identification of tautomeric intermediates of a novel thiazolylazonaphthol dye - A density functional theory study. Spectrochim Acta A Mol Biomol Spectrosc 2018; 203:324-332. [PMID: 29879648 DOI: 10.1016/j.saa.2018.05.096] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 05/18/2018] [Accepted: 05/27/2018] [Indexed: 06/08/2023]
Abstract
The recently synthesized thiazolylazo dye, 1-[5-benzyl-1,3-thiazol-2-yl)diazenyl]naphthalene-2-ol called shortly BnTAN, is studied by density functional theory (DFT) in three tautomeric forms in order to explain the available 1H NMR, UV-Vis and FTIR spectra. An experimentally observed IR band at 1678 cm-1, assigned to the CO bond stretching vibration, supports the notion that BnTAN retains in the less stable keto-form even in the solid state due to an ultrafast single-coordinate intramolecular proton transfer. This finding is also in a good agreement with an X-ray crystallography analysis which indicates an intermediate position of the proton between the -OH and -N=N- groups. Calculations also show that some experimentally observed 1H NMR signals could be considered as being averaged values between theoretically calculated chemical shifts for the corresponding protons in the keto- and enol-tautomers. At the same time the UV-Vis spectra are almost insensitive to the tautomerization processes as the main single band absorption at 500 nm is present in all tautomers according to our TD DFT simulations. The minor differences in spectral features of the long-wavelength visible region are also noted and discussed with respect to the manifestation of the less stable tautomer form.
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Affiliation(s)
- N N Karaush
- Department of Chemistry and Nanomaterials Science, Bohdan Khmelnytsky National University, 18031, Cherkasy, Ukraine.
| | - V A Minaeva
- Department of Chemistry and Nanomaterials Science, Bohdan Khmelnytsky National University, 18031, Cherkasy, Ukraine
| | - G V Baryshnikov
- Department of Chemistry and Nanomaterials Science, Bohdan Khmelnytsky National University, 18031, Cherkasy, Ukraine; Division of Theoretical Chemistry and Biology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 10691 Stockholm, Sweden
| | - B F Minaev
- Department of Chemistry and Nanomaterials Science, Bohdan Khmelnytsky National University, 18031, Cherkasy, Ukraine; Division of Theoretical Chemistry and Biology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 10691 Stockholm, Sweden
| | - H Ågren
- Division of Theoretical Chemistry and Biology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 10691 Stockholm, Sweden; Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden
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Valiev RR, Cherepanov VN, Baryshnikov GV, Sundholm D. First-principles method for calculating the rate constants of internal-conversion and intersystem-crossing transitions. Phys Chem Chem Phys 2018; 20:6121-6133. [DOI: 10.1039/c7cp08703a] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A method for calculating the rate constants for internal-conversion (kIC) and intersystem-crossing (kISC) processes within the adiabatic and Franck–Condon (FC) approximations is proposed.
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Affiliation(s)
- R. R. Valiev
- Tomsk State University
- Tomsk
- Russia
- Department of Chemistry
- University of Helsinki
| | | | - G. V. Baryshnikov
- Tomsk State University
- Tomsk
- Russia
- Division of Theoretical Chemistry and Biology
- School of Biotechnology
| | - D. Sundholm
- Department of Chemistry
- University of Helsinki
- FI-00014 Helsinki
- Finland
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Gusev AN, Shul’gin VF, Minaev BF, Baryshnikov GV, Minaeva VA, Baryshnikova AT, Kiskin MA, Eremenko IL. Synthesis and luminescent properties of copper(I) complexes with 3-pyridin-2-yl-5-(4-R-phenyl)-1H-1,2,4-triazoles. RUSS J INORG CHEM+ 2017. [DOI: 10.1134/s0036023617040052] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Baryshnikova AT, Minaev BF, Baryshnikov GV, Sun WH. Quantum-chemical study of the structure and magnetic properties of mono- and binuclear Cu(II) complexes with 1,3-bis(3-(pyrimidin-2-yl)-1H-1,2,4-triazol-5-yl)propane. RUSS J INORG CHEM+ 2016. [DOI: 10.1134/s003602361605003x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Baryshnikova AT, Minaev BF, Baryshnikov GV, Sun WH. Structure and spectral and luminescence properties of the trinuclear zinc complex with (E)-5-((2,6-diethylphenylimino)methyl)-2-methylquinolin-8-ol: Experimental and DFT study. RUSS J INORG CHEM+ 2015. [DOI: 10.1134/s0036023615120050] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Baryshnikov GV, Minaev BF, Minaeva VA. Electronic structure, aromaticity and spectra of hetero[8]circulenes. Russ Chem Rev 2015. [DOI: 10.1070/rcr4445] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Minaev BF, Shafranyosh MI, Svida YY, Sukhoviya MI, Shafranyosh II, Baryshnikov GV, Minaeva VA. Fragmentation of the adenine and guanine molecules induced by electron collisions. J Chem Phys 2015; 140:175101. [PMID: 24811665 DOI: 10.1063/1.4871881] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Secondary electron emission is the most important stage in the mechanism of radiation damage to DNA biopolymers induced by primary ionizing radiation. These secondary electrons ejected by the primary electron impacts can produce further ionizations, initiating an avalanche effect, leading to genome damage through the energy transfer from the primary objects to sensitive biomolecular targets, such as nitrogenous bases, saccharides, and other DNA and peptide components. In this work, the formation of positive and negative ions of purine bases of nucleic acids (adenine and guanine molecules) under the impact of slow electrons (from 0.1 till 200 eV) is studied by the crossed electron and molecular beams technique. The method used makes it possible to measure the molecular beam intensity and determine the total cross-sections for the formation of positive and negative ions of the studied molecules, their energy dependences, and absolute values. It is found that the maximum cross section for formation of the adenine and guanine positive ions is reached at about 90 eV energy of the electron beam and their absolute values are equal to 2.8 × 10(-15) and 3.2 × 10(-15) cm(2), respectively. The total cross section for formation of the negative ions is 6.1 × 10(-18) and 7.6 × 10(-18) cm(2) at the energy of 1.1 eV for adenine and guanine, respectively. The absolute cross-section values for the molecular ions are measured and the cross-sections of dissociative ionization are determined. Quantum chemical calculations are performed for the studied molecules, ions and fragments for interpretation of the crossed beams experiments.
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Affiliation(s)
- B F Minaev
- Bohdan Khmelnitsky National University, 18031 Cherkasy, Ukraine
| | | | - Yu Yu Svida
- Uzhgorod National University, 88000 Uzhgorod, Ukraine
| | - M I Sukhoviya
- Uzhgorod National University, 88000 Uzhgorod, Ukraine
| | | | - G V Baryshnikov
- Bohdan Khmelnitsky National University, 18031 Cherkasy, Ukraine
| | - V A Minaeva
- Bohdan Khmelnitsky National University, 18031 Cherkasy, Ukraine
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Baryshnikov GV, Karaush NN, Minaev BF. The Electronic Structure of Heteroannelated Cyclooctatetraenes and their UV-Vis Absorption Spectra. Chem Heterocycl Compd (N Y) 2014. [DOI: 10.1007/s10593-014-1482-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Baryshnikov GV, Valiev RR, Karaush NN, Minaev BF. Aromaticity of the planar hetero[8]circulenes and their doubly charged ions: NICS and GIMIC characterization. Phys Chem Chem Phys 2014; 16:15367-74. [DOI: 10.1039/c4cp00860j] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
All hetero[8]circulenes represent nonaromatic species because the paratropic internal currents (red colour) substantially cancel out the diatropic contribution on the outside edge (blue colour).
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Affiliation(s)
| | - R. R. Valiev
- Tomsk State University
- Tomsk, Russian Federation
- National Research Tomsk Polytechnic University
- Tomsk, Russian Federation
| | - N. N. Karaush
- Bohdan Khmelnytsky National University
- Cherkassy, Ukraine
| | - B. F. Minaev
- Bohdan Khmelnytsky National University
- Cherkassy, Ukraine
- Tomsk State University
- Tomsk, Russian Federation
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Baryshnikov GV, Minaev BF, Karaush NN, Minaeva VA. The art of the possible: computational design of the 1D and 2D materials based on the tetraoxa[8]circulene monomer. RSC Adv 2014. [DOI: 10.1039/c4ra02693d] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Single-wall nanotube based on tetraoxa[8]circulene monomer.
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Affiliation(s)
| | - B. F. Minaev
- Bohdan Khmelnytsky National University
- Cherkassy, Ukraine
- Tomsk State University
- Tomsk, Russian Federation
| | - N. N. Karaush
- Bohdan Khmelnytsky National University
- Cherkassy, Ukraine
| | - V. A. Minaeva
- Bohdan Khmelnytsky National University
- Cherkassy, Ukraine
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Baryshnikov GV, Minaev BF, Korop AA, Minaeva VA, Gusev AN. Structure of zinc complexes with 3-(pyridin-2-yl)-5-(arylideneiminophenyl)-1H-1,2,4-triazoles in different tautomeric forms: DFT and QTAIM study. RUSS J INORG CHEM+ 2013. [DOI: 10.1134/s0036023613080032] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Baryshnikov GV, Minaev BF, Minaeva VA, Podgornaya AT, Ågren H. Application of Bader’s atoms in molecules theory to the description of coordination bonds in the complex compounds of Ca2+ and Mg2+ with methylidene rhodanine and its anion. RUSS J GEN CHEM+ 2012. [DOI: 10.1134/s1070363212070122] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Baryshnikov GV, Minaev BF, Minaeva VA, Baryshnikova AT. Structure and intramolecular stabilization of geometric isomers of Bi- and trithiazolidine-4-ones and their methyl derivatives: A DFT and QTAIM study. J STRUCT CHEM+ 2012. [DOI: 10.1134/s0022476612030031] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Minaeva VA, Minaev BF, Baryshnikov GV, Kopylova TN, Gadirov RM, Eremina NS. Study of structure and spectral characteristics of the binuclear zinc complex with (E)-2-({2-[3-(pyridin-2-yl)-1H-1,2,4-triazol-5-yl]phenylimino}methyl)phenol. RUSS J GEN CHEM+ 2011. [DOI: 10.1134/s1070363211110193] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Baryshnikov GV, Minaev BF, Minaeva VA. Theoretical study of the models of Ca2+ and Mg2+ ions binding by the methylidene rhodanine neutral and anionic forms. RUSS J GEN CHEM+ 2011. [DOI: 10.1134/s1070363211030248] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Minaev BF, Minaeva VA, Baryshnikov GV, Girtu MA, Agren H. Theoretical study of vibration spectra of sensitizing dyes for photoelectrical converters based on ruthenium(II) and iridium(III) complexes. RUSS J APPL CHEM+ 2009. [DOI: 10.1134/s1070427209070106] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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