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Röttger K, Sönnichsen FD, Temps F. Ultrafast electronic deactivation dynamics of the inosine dimer--a model case for H-bonded purine bases. Photochem Photobiol Sci 2013; 12:1466-73. [PMID: 23788062 DOI: 10.1039/c3pp50093d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The structural properties and ultrafast electronic deactivation dynamics of the inosine dimer in CHCl3 have been investigated by two-dimensional (1)H NMR and static FTIR spectroscopy and by femtosecond time-resolved transient absorption spectroscopy, respectively. The (1)H NMR and IR spectra show the formation of a well-defined, symmetric dimer with an association equilibrium constant of KI·I = 690 ± 100 M(-1). The excited-state dynamics after photoexcitation at λpump = 260 nm monitored by ultrafast absorption spectroscopy show great similarity with those of the monomer inosine in an aqueous solution and are governed by a decay time of τ = 90 ± 10 fs, which is one of the shortest electronic lifetimes of all nucleobases and nucleobase dimers studied so far. On the basis of these observations, the inosine dimer is expected to follow a similar relaxation pathway as the monomer, involving an out-of-plane deformation of the six-membered ring. The importance of the C(2) position for the electronic deactivation of hypoxanthine and guanine is discussed. The obtained well-determined structure and straightforward dynamics qualify the inosine dimer as an excellent reference case for more complicated systems such as the G·G dimer and the G·C and A·T Watson-Crick pairs.
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Affiliation(s)
- Katharina Röttger
- Institut für Physikalische Chemie, Christian-Albrechts-Universität zu Kiel, Olshausenstr. 40, D-24098 Kiel, Germany
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Iwakura I. The experimental visualisation of molecular structural changes during both photochemical and thermal reactions by real-time vibrational spectroscopy. Phys Chem Chem Phys 2011; 13:5546-55. [DOI: 10.1039/c0cp01588a] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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3
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Langer H, Versmold H. Depolarized rayleigh scattering: Orientational correlation functions of acetonitrile and carbon disulfide. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bbpc.19790830512] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Iwakura I, Yabushita A, Kobayashi T. Transition States and Nonlinear Excitations in Chloroform Observed with a Sub-5 fs Pulse Laser. J Am Chem Soc 2008; 131:688-96. [DOI: 10.1021/ja801829n] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Izumi Iwakura
- JSPS Research Fellow, 8 Ichibancho, Chiyoda-ku, Tokyo 102-8472, Japan, Department of Applied Physics and Chemistry and Institute for Laser Science, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan, Department of Electrophysics, National Chiao-Tung University, Hsinchu 300, Taiwan, ICORP, JST, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan, and Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0971, Japan
| | - Atsushi Yabushita
- JSPS Research Fellow, 8 Ichibancho, Chiyoda-ku, Tokyo 102-8472, Japan, Department of Applied Physics and Chemistry and Institute for Laser Science, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan, Department of Electrophysics, National Chiao-Tung University, Hsinchu 300, Taiwan, ICORP, JST, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan, and Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0971, Japan
| | - Takayoshi Kobayashi
- JSPS Research Fellow, 8 Ichibancho, Chiyoda-ku, Tokyo 102-8472, Japan, Department of Applied Physics and Chemistry and Institute for Laser Science, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan, Department of Electrophysics, National Chiao-Tung University, Hsinchu 300, Taiwan, ICORP, JST, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan, and Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0971, Japan
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Iwakura I, Yabushita A, Kobayashi T. Observation of transition state in Raman triggered oxidation of chloroform in the ground state by real-time vibrational spectroscopy. Chem Phys Lett 2008. [DOI: 10.1016/j.cplett.2008.03.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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7
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Lynden-Bell R. The effect of molecular reorientation on the lineshapes of degenerate vibrations in infra-red and Raman spectra of liquids. Mol Phys 2007. [DOI: 10.1080/00268977600101321] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- R.M. Lynden-Bell
- a University Chemical Laboratory , Cambridge , CB2 1EW , England
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A Review and Computer Simulation of the Molecular Dynamics of a Series of Specific Molecular Liquids. ADVANCES IN CHEMICAL PHYSICS 2007. [DOI: 10.1002/9780470142875.ch5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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9
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Brodbeck C, Rossi I, Nguyen-Van-Thanh, Ruoff A. Molecular motion in liquid haloforms by I.R. and Raman. Mol Phys 2006. [DOI: 10.1080/00268977600101611] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Gelin MF, Kosov DS. Molecular reorientation in hydrogen-bonding liquids: Through algebraic ∼t−3∕2 relaxation toward exponential decay. J Chem Phys 2006; 124:144514. [PMID: 16626221 DOI: 10.1063/1.2191058] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We present a model for the description of orientational relaxation in hydrogen-bonding liquids. The model contains two relaxation parameters which regulate the intensity and efficiency of dissipation, as well as the memory function which is responsible for the short-time relaxation effects. It is shown that the librational portion of the orientational relaxation is described by an algebraic approximately t(-32) contribution, on top of which more rapid and nonmonotonous decays caused by the memory effects are superimposed. The long-time behavior of the orientational relaxation is exponential, although nondiffusional. It is governed by the rotational energy relaxation. We apply the model to interpret recent molecular dynamic simulations and polarization pump-probe experiments on HOD in liquid D(2)O [C. J. Fecko et al., J. Chem. Phys. 122, 054506 (2005)].
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Affiliation(s)
- M F Gelin
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, USA
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12
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Torii H, Musso M, Giorgini MG. Time-Domain Theoretical Analysis of the Noncoincidence Effect, Diagonal Frequency Shift, and the Extent of Delocalization of the CO Stretching Mode of Acetone/Dimethyl Sulfoxide Binary Liquid Mixtures. J Phys Chem A 2005; 109:7797-804. [PMID: 16834157 DOI: 10.1021/jp052565t] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A time-domain method for simulating vibrational band profiles that simultaneously takes into account both the diagonal and off-diagonal effects is developed and applied to the C=O stretching bands of neat liquid acetone and the acetone/dimethyl sulfoxide (DMSO) binary liquid mixtures. By using this method, it is possible to examine the influence of liquid dynamics on the noncoincidence effect (NCE), which arises from the off-diagonal vibrational interactions, as well as the frequency shifts and band broadening, which are related to both the diagonal and off-diagonal effects. It is shown that the simulations for the C=O stretching bands of acetone in acetone/DMSO binary liquid mixtures on the basis of this method can reproduce the experimentally observed concave curvature of the concentration dependence of the NCE and the unusually large frequency shift of the anisotropic Raman band. The widths of the infrared, isotropic Raman, and anisotropic Raman bands calculated for neat liquid acetone are also in good agreement with those observed. Based on these calculations, the extent of delocalization of the C=O stretching vibrational motions is examined by referring to two quantitative measures of this property, one calculated in the frequency domain and the other in the time domain. It is shown that the extent of delocalization gets larger as the mole fraction of acetone increases, the C=O stretching vibrations being delocalized over a few tens of molecules in neat liquid acetone. It is also shown that the extent of delocalization is related to the quantity called NCE detectability, which is the ratio between the magnitude of NCE and the bandwidth. It is therefore suggested that the extent of delocalization of vibrational motions may be estimated from observable features of Raman band profiles.
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Affiliation(s)
- Hajime Torii
- Department of Chemistry, School of Education, Shizuoka University, 836 Ohya, Shizuoka 422-8529, Japan.
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Ghiggino KP, Roberts AJ, Phillips D. Time-resolved fluorescence techniques in polymer and biopolymer studies. ADVANCES IN POLYMER SCIENCE 2005. [DOI: 10.1007/3-540-10550-6_2] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
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14
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Ombelli M, Morresi A, Sassi P, Paliani G. Vibrational and orientational relaxations in liquid CD3NO2. J Mol Liq 2002. [DOI: 10.1016/s0167-7322(01)00361-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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15
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Sibert EL, Rey R. Vibrational relaxation in liquid chloroform following ultrafast excitation of the CH stretch fundamental. J Chem Phys 2002. [DOI: 10.1063/1.1420488] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
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Morresi A, Sassi P, Paolantoni M, Santini S, Cataliotti R. Solvent effect on the vibrational dephasing of the ν2 (CN) and ν4 (CC) stretching modes in liquid acetonitrile and acetonitrile-d3. Chem Phys 2000. [DOI: 10.1016/s0301-0104(00)00039-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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17
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Loughnane BJ, Scodinu A, Farrer RA, Fourkas JT, Mohanty U. Exponential intermolecular dynamics in optical Kerr effect spectroscopy of small-molecule liquids. J Chem Phys 1999. [DOI: 10.1063/1.479544] [Citation(s) in RCA: 122] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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CEDEÑO DAVIDL, PENG JINGPING, REYNOLDS DOVIE, MINA-CAMILDE NAIRMEN, MANZANARES CARLOS. Infrared absorptions and band widths of dilute solutions of CF3H in liquid Ar, N2, and Xe. Mol Phys 1999. [DOI: 10.1080/00268979909483118] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Marri E, Morresi A, Paliani G, Cataliotti RS, Giorgini MG. Isotopic and chemical dilution effects on the vibrational relaxation rate of some totally symmetric motions of liquid acetonitrile. Chem Phys 1999. [DOI: 10.1016/s0301-0104(99)00089-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Navarro R, Hernanz A, Bratu I. Vibrational relaxation of the ν(CO) mode of ethyl trichloroacetate in solution. ACTA ACUST UNITED AC 1994. [DOI: 10.1039/ft9949002325] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Torii H, Tasumi M. Local order and transition dipole coupling in liquid methanol and acetone as the origin of the Raman noncoincidence effect. J Chem Phys 1993. [DOI: 10.1063/1.465622] [Citation(s) in RCA: 95] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Rothschild WG, Cavagnat RM, Maraval P. On the characteristics of the orientational motion of liquid chloroform: A mid‐ and low‐frequency Raman study. J Chem Phys 1993. [DOI: 10.1063/1.465561] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Bagley S, Kowalewski J, Sandstrom M. NMR and Raman spectroscopic study of CDCl3 in cyclohexane solutions in the presence of pyridine, quinuclidine or triethylamine. J Mol Liq 1992. [DOI: 10.1016/0167-7322(92)80072-p] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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24
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Rothschild WG, Cavagnat RM. Dynamical inhomogeneous broadening and lattice‐assisted intramolecular energy transfer in the fundamentalA1vibrations of liquid chloroform Cl‐35. J Chem Phys 1992. [DOI: 10.1063/1.463031] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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25
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Suzuki Y, Okazaki S, Okada I. Isotope and temperature effects of the vibrational and rotational relaxation in molten alkali hydroxides. Mol Phys 1992. [DOI: 10.1080/00268979200101931] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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26
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Szostak R, Hawranek J. On the influence of isotopic composition on vibrational bandshapes in liquids. J Mol Liq 1992. [DOI: 10.1016/0167-7322(92)80048-m] [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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27
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Giorgini MG, Mariani L, Morresi A, Paliani G, Cataliotti RS. Molecular dynamics and vibrational relaxations in liquid nitromethane. Mol Phys 1992. [DOI: 10.1080/00268979200100831] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Okazaki S, Ohtori N, Okada I. Raman spectroscopic study on the vibrational and rotational relaxation of OH− ion in molten LiOH. J Chem Phys 1989. [DOI: 10.1063/1.457560] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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29
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Infrared absorption spectral moments and mean squared torques of linear molecules mixed in rare gases. J Mol Liq 1989. [DOI: 10.1016/0167-7322(89)80017-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Sassaroli M, Ching YC, Dasgupta S, Rousseau DL. Cytochrome c oxidase: evidence for interaction of water molecules with cytochrome a. Biochemistry 1989; 28:3128-32. [PMID: 2545247 DOI: 10.1021/bi00434a002] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The resonance Raman spectra of cytochrome c oxidase in protonated buffer compared to that in deuterated buffer indicate that water molecules are near the heme of cytochrome a. Differences in widths of the heme line at 1610 cm-1, after short exposure to D2O, and, additionally, of the heme line at 1625 cm-1, after long exposure, can be accounted for by changes in resonance vibrational energy transfer between modes of cytochrome a2+ and the bending mode of water molecules in the heme pocket. On the basis of the assignment of these modes, we place one water molecule near the vinyl group and one water molecule near the formyl group of the cytochrome a heme. These water molecules may play several possible functional roles.
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Affiliation(s)
- M Sassaroli
- AT&T Bell Laboratories, Murray Hill, New Jersey 07974
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31
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Rodriguez A, Schwartz M. Anomalous vibrational linebroadening of the v1 mode in CH2Cl2/CD2Cl2 mixtures. Chem Phys Lett 1986. [DOI: 10.1016/0009-2614(86)80228-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Bradley M, Zerda TW, Jonas J. High pressure Raman study of vibrational relaxation of the Fermi coupled modes of ammonia. J Chem Phys 1985. [DOI: 10.1063/1.448840] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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35
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Molecular dynamics of some substituted pyridines part II. J Mol Liq 1984. [DOI: 10.1016/0167-7322(84)80024-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Kanesaka I, Miyajima T, Kawai K. The solvent effect on the IR intensity of the CH stretching of chloroform. J Mol Struct 1984. [DOI: 10.1016/0022-2860(84)87041-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Natarajan T, Gowrikrishna J, Sobhanadri J. Molecular dynamics of some crotonates using infrared band shapes. Chem Phys Lett 1984. [DOI: 10.1016/0009-2614(84)80228-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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38
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Janik B. Application of different spectroscopic methods to study the reorientation of molecules in liquid chloroform. J Mol Struct 1984. [DOI: 10.1016/s0022-2860(84)87194-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Rothschild WG, Soussen-Jacob J, Vincent-Geisse J. Infrared dephasing of degenerate fundamentals: The ν6 mode of liquid CD3I. Chem Phys Lett 1983. [DOI: 10.1016/0009-2614(83)80114-6] [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]
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Maleknia S, Ho S, Schwartz M. Raman study of vibrational dephasing in haloalkanes. J Chem Phys 1982. [DOI: 10.1063/1.443986] [Citation(s) in RCA: 11] [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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Perry S, Żerda TW, Jonas J. Pressure and temperature Raman study of reorientational relaxation of propyne in hydrogen bonded complexes. J Chem Phys 1981. [DOI: 10.1063/1.442650] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Studies of molecular motions and vibrational relaxation VII. Rotational diffusion model to investigate the band shapes of the ν5 and ν8 ban. Chem Phys 1981. [DOI: 10.1016/0301-0104(81)80007-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Takagi K, Choi P, Negishi K. Vibrational–translational relaxation in liquid chloroform. J Chem Phys 1981. [DOI: 10.1063/1.441207] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Suzuki T, Tsutsui YK, Fujiyama T. Shapes of the ν1Band of Liquid Chloroform and Intermolecular Interaction. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1980. [DOI: 10.1246/bcsj.53.1931] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Döge G, Khuen A, Yarwood J. Studies of molecular motions and vibrational relaxation in acetonitrile. II. Infrared intensities of ν1, 2ν1, ν3 and 2ν3 bands and estimation of broadening contributions due to dipole and transition dipole interactions. Chem Phys 1979. [DOI: 10.1016/0301-0104(79)80081-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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