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Takahama T, Saharin SM, Tashiro K. Details of the intermolecular interactions in poly(vinyl alcohol)-iodine complexes as studied by quantum chemical calculations. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.07.055] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Kalume A, George L, Powell AD, Dawes R, Reid SA. Photoinduced electron transfer in donor-acceptor complexes of ethylene with molecular and atomic iodine. J Phys Chem A 2014; 118:6838-45. [PMID: 25075444 DOI: 10.1021/jp412212h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Building upon our recent studies of radical addition pathways following excitation of the I2 chromophore in the donor-acceptor complex of ethylene and I2 (C2H4···I2), in this article, we extend our studies to examine photoinduced electron transfer. Thus, irradiation into the intense charge-transfer band of the complex (λmax = 247 nm) gave rise to a band at 366 nm that is assigned to the bridged ethylene-I radical complex on the basis of our prior work. The formation of the radical complex is explained by a mechanism that involves rapid back electron transfer leading to I-I bond fission. Excitation into the charge-transfer band of the radical complex led to regeneration of the parent complex and the formation of the final photoproduct, anti- and gauche-1,2-diiodoethane, which confirms that the reaction proceeds ultimately by a radical addition mechanism. This finding is contrasted with our previous study of the C2H4···Br2 complex, where CT excitation led to only one product, anti-1,2-dibromoethane, a result explained by a single electron-transfer mechanism proceeding via a bridged bromonium ion intermediate. For the I2 complex, the breakup of the photolytically generated I2(-•) anion radical is apparently sufficiently slow to render it uncompetitive with back electron transfer. Finally, we report a detailed computational examination of the parent and radical complexes of both bromine and iodine, using high-level single- and multireference methods, which provide insight into the different behaviors of the charge-transfer states of the two radicals and the role of spin-orbit coupling.
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Affiliation(s)
- Aimable Kalume
- Department of Chemistry, Marquette University , Milwaukee, Wisconsin 53233, United States
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TIWARY AMITS, SENGUPTA PARTHASARATHI, MUKHERJEE ASOKK. MODELING THE GROUND STATE GEOMETRY AND ESTIMATING THE CHARGE TRANSFER TRANSITION ENERGY OF THE TOLUENE–ICl MOLECULAR COMPLEX BY AB INITIO AND DFT METHODS. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2011. [DOI: 10.1142/s0219633608003782] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Out of several plausible isomeric structures of the toluene–ICl charge transfer (CT) complex, the most feasible one was determined by a detailed ab initio and DFT study at the HF, B3LYP, and mPW1PW91 levels using 6-31++G(d, p) basis set. Potential energy surface scans were performed with six possible structures ( I and Cl facing the o-, m-, and p-carbon atoms of toluene separately); the structures at the local minima of the surfaces were subjected to frequency calculation and the ones having no negative frequency were accepted as the real structure in the ground state. These structures were then subjected to full optimization. It was observed that the I – Cl bond, with its I atom oriented toward the aromatic ring, stands vertically above a C -atom at the ortho or para positions, being inclined at about 9° to the line perpendicular to the aromatic ring. Complexation increases the I – Cl bond length. After correction for basis set superposition error through a counterpoise calculation, we conclude from the binding energy that the preferred structure is the one with ICl above the ortho C atom. The calculated binding energy closely matches the experimental free energy of complexation. The electronic CT transition energy (hν CT ) with this structure in the ground state was calculated in vacuo by the restricted configuration interaction singlets method and in carbontetrachloride medium by the time dependent density functional theory method under the polarizable continuum model. The value of hν CT obtained from the ground-to-excited state transition electric dipole moments of the complex, is close to (somewhat underestimated) the reported experimental value.
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Affiliation(s)
- AMIT S. TIWARY
- Department of Chemistry, Netaji Mahavidyalaya, Arambagh, Hooghly 712601, India
| | | | - ASOK K. MUKHERJEE
- Department of Chemistry, The University of Burdwan, Burdwan 713104, India
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Weng KF, Shi Y, Zheng X, Phillips DL. Resonance Raman Investigation of the Short-Time Photodissociation Dynamics of the Charge-Transfer Absorption of the I2−Benzene Complex in Benzene Solution. J Phys Chem A 2005; 110:851-60. [PMID: 16419981 DOI: 10.1021/jp055069d] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Resonance Raman spectra were obtained for the I2-benzene complex in benzene solvent with excitation wavelengths in resonance with the CT-band absorption. These spectra indicate that the Franck-Condon region photodissociation dynamics have multidimensional character with motion mainly along the nominal I-I stretch mode nu(18), the nominal symmetric benzene ring stretch mode nu5, and the nominal symmetric CCH bending nu7. There is also a small contribution from the nominal out-of-plane CH oop wag nu15. A preliminary resonance Raman intensity analysis was done, and the results for the I2-benzene complex were compared to results previously reported for the 1-hexene-I2 complex. We briefly discuss the differences and similarities in the CT-band absorption excitation of an I2-benzene complex relative to those of an I2-alkene complex.
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Affiliation(s)
- Ke-Feng Weng
- Department of Applied Chemistry, Zhejiang Sci-Tech University, Second Road, Xia Sha Gao Jiao Yuan Qu Hangzhou 310033, P. R. China
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Milano G, Guerra G, Cavallo L. A Preliminary Study of Host-Guest Interactions in Polymeric Clathrates – An Ab Initio Study of the Model Complexes Benzene/X2 (X = F, Cl, Br, I). Eur J Inorg Chem 1998. [DOI: 10.1002/(sici)1099-0682(199810)1998:10<1513::aid-ejic1513>3.0.co;2-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Su JT, Zewail AH. Solvation Ultrafast Dynamics of Reactions. 14. Molecular Dynamics and ab Initio Studies of Charge-Transfer Reactions of Iodine in Benzene Clusters. J Phys Chem A 1998. [DOI: 10.1021/jp980572u] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Julius T. Su
- Laboratory for Molecular Sciences (LMS), Arthur Amos Noyes Laboratory for Chemical Physics, California Institute of Technology, Pasadena, California 91125
| | - Ahmed H. Zewail
- Laboratory for Molecular Sciences (LMS), Arthur Amos Noyes Laboratory for Chemical Physics, California Institute of Technology, Pasadena, California 91125
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Liu HJ, Pullen SH, Walker LA, Sension RJ. The vibrational relaxation of I2 (X 1Σg+) in mesitylene. J Chem Phys 1998. [DOI: 10.1063/1.476309] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Salai Cheettu Ammal S, Ananthavel SP, Venuvanalingam P, Hegde MS. Structure of the Benzene···ICl Complex: A UVPES and ab Initio Molecular Orbital Study†. J Phys Chem A 1998. [DOI: 10.1021/jp972301+] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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DeBoer G, Burnett JW, Fujimoto A, Young MA. Photodissociation Dynamics of the Charge-Transfer State of the C6H6−I2 Complex. ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp9614308] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gary DeBoer
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242
| | | | - Akira Fujimoto
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242
| | - Mark A. Young
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242
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Ruiz E, Salahub DR, Vela A. Charge-Transfer Complexes: Stringent Tests for Widely Used Density Functionals. ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp9533077] [Citation(s) in RCA: 177] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Eliseo Ruiz
- Département de Chimie, Université de Montréal, C.P. 6128 Succursale centre ville, Montréal, Québec, H3C 3J7 Canada
| | - Dennis R. Salahub
- Département de Chimie, Université de Montréal, C.P. 6128 Succursale centre ville, Montréal, Québec, H3C 3J7 Canada
| | - Alberto Vela
- Département de Chimie, Université de Montréal, C.P. 6128 Succursale centre ville, Montréal, Québec, H3C 3J7 Canada
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Lenderink E, Duppen K, Everdij FPX, Mavri J, Torre R, Wiersma DA. Photodissociation Dynamics of the Iodine−Arene Charge-Transfer Complex. ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp953325o] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Egbert Lenderink
- Ultrafast Laser and Spectroscopy Laboratory, Department of Chemical Physics, Materials Science Centre, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, BIOSON Research Institute, Department of Biophysical Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, and European Laboratory for Nonlinear Spectroscopy (LENS), University of Florence, Largo E. Fermi 2, 50125 Florence, Italy
| | - Koos Duppen
- Ultrafast Laser and Spectroscopy Laboratory, Department of Chemical Physics, Materials Science Centre, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, BIOSON Research Institute, Department of Biophysical Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, and European Laboratory for Nonlinear Spectroscopy (LENS), University of Florence, Largo E. Fermi 2, 50125 Florence, Italy
| | - Frank P. X. Everdij
- Ultrafast Laser and Spectroscopy Laboratory, Department of Chemical Physics, Materials Science Centre, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, BIOSON Research Institute, Department of Biophysical Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, and European Laboratory for Nonlinear Spectroscopy (LENS), University of Florence, Largo E. Fermi 2, 50125 Florence, Italy
| | - Janez Mavri
- Ultrafast Laser and Spectroscopy Laboratory, Department of Chemical Physics, Materials Science Centre, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, BIOSON Research Institute, Department of Biophysical Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, and European Laboratory for Nonlinear Spectroscopy (LENS), University of Florence, Largo E. Fermi 2, 50125 Florence, Italy
| | - Renato Torre
- Ultrafast Laser and Spectroscopy Laboratory, Department of Chemical Physics, Materials Science Centre, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, BIOSON Research Institute, Department of Biophysical Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, and European Laboratory for Nonlinear Spectroscopy (LENS), University of Florence, Largo E. Fermi 2, 50125 Florence, Italy
| | - Douwe A. Wiersma
- Ultrafast Laser and Spectroscopy Laboratory, Department of Chemical Physics, Materials Science Centre, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, BIOSON Research Institute, Department of Biophysical Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands, and European Laboratory for Nonlinear Spectroscopy (LENS), University of Florence, Largo E. Fermi 2, 50125 Florence, Italy
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Pullen S, Walker LA, Sension RJ. Femtosecond studies of the iodine–mesitylene charge‐transfer complex. J Chem Phys 1995. [DOI: 10.1063/1.470205] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Microscopic solvation and femtochemistry of charge-transfer reactions: the problem of benzene(s)-iodine binary complexes and their solvent structures. Chem Phys Lett 1995. [DOI: 10.1016/0009-2614(95)00780-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Walker LA, Pullen S, Donovan B, Sension RJ. On the structure of iodine charge-transfer complexes in solution. Chem Phys Lett 1995. [DOI: 10.1016/0009-2614(95)00683-u] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Lenderink E, Duppen K, Wiersma DA. Femtochemistry of the iodine—arene charge-transfer complex. Chem Phys Lett 1993. [DOI: 10.1016/0009-2614(93)80134-b] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Tsipis C. Theoretical approaches to the description of the electronic structure and chemical reactivity of transition metal compounds. Coord Chem Rev 1991. [DOI: 10.1016/0010-8545(91)84002-m] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Tsipis CA, Katsoulos GA, Bakalbassis EG, Sigalas MP. Chemical stability and reactivity of the 1?1 and 2:1 halobis(N,N-dialkyldithiocarbamato)iron(III): Molecular halogen loose associations. Struct Chem 1990. [DOI: 10.1007/bf00674128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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El-Hag I, Jano I. Study of the excited states of HPO and its emission spectrum in hydrogen-based flames. Anal Chim Acta 1989. [DOI: 10.1016/s0003-2670(89)80012-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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El-Hag I, Jano I. Study of the excited states of HPO and its emission spectrum in hydrogen-based flames. Anal Chim Acta 1989. [DOI: 10.1016/s0003-2670(00)83287-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Jano I. Molecular orbital calculations for iodine complexes 2. Ammonium iodine and pyridine iodine. Theor Chem Acc 1987. [DOI: 10.1007/bf00529102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Edwards WD, Weisman GR. Quantum mechanical modeling of a transannular interaction in a bicyclic amidinium ion. J Comput Chem 1987. [DOI: 10.1002/jcc.540080207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Bhanuprakash K, Kulkarni GV, Chandra AK. On calculations of intermolecular potentials. J Comput Chem 1986. [DOI: 10.1002/jcc.540070605] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Bermejo F, Rico M, Santoro J, Herranz J, Gallego E, Nieto J. Quantum-chemical calculations of a proposed PHEn-HISn+4 stabilizing interaction in peptide α-helices. J Mol Struct 1986. [DOI: 10.1016/0022-2860(86)85128-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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