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Hosokawa S, Kamiyama T, Yoshida K, Yamaguchi T, Tsutsui S, Baron AQ. Collective dynamics of liquid acetone investigated by inelastic X-ray scattering. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115825] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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2
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Bertoldo Menezes D, Reyer A, Benisek A, Dachs E, Pruner C, Musso M. Raman spectroscopic insights into the glass transition of poly(methyl methacrylate). Phys Chem Chem Phys 2021; 23:1649-1665. [PMID: 33411861 DOI: 10.1039/d0cp05627h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Poly(methyl methacrylate) (PMMA) is a very versatile polymer which is used as a glass substitute or as an economical alternative to polycarbonate for many types of important applications, due to its particular physical properties. In this study we deal with the Raman spectroscopic characterization of the glass transition of PMMA, the value of the glass transition temperature being generally a decisive parameter for determining the application of polymers. The information obtained by two-dimensional correlation spectroscopy (2DCOS) analysis and perturbation-correlation moving-windows spectroscopy (PCMW2D) analysis of the temperature dependent depolarized Raman spectra enabled us to recognize that the glass transition of PMMA is ruled by intermolecular interactions which influence the vibrational modes of the molecular groups associated with ν(C[double bond, length as m-dash]O), δa(C-H) of α-CH3 and/or O-CH3, ν(C-O-C), ν(C-COO), and ν(C-C-O). This information was employed for the temperature dependent study of the Raman shift and of the full width at half maximum of the Raman peaks obtained through anisotropic and isotropic Raman spectra, of the depolarization ratio, of the Raman spectroscopic noncoincidence effect, and of the Raman peak intensities represented by Arrhenius-type plots, all results supporting the outcomes of this work. The comparison with results obtained by differential scanning calorimetry and with published results in molecular dynamics studies was also part of this work. As the main result, one can highlight the peak associated with the ν(C-O-C) stretching mode at around 812 cm-1 as the one which presents the better outcome for explaining the glass transition from the molecular point of view.
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Affiliation(s)
- D Bertoldo Menezes
- Federal Institute of Triângulo Mineiro, 1020, 38400-970, Uberlândia, Minas Gerais, Brazil. and Department of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Strasse 2a, 5020, Salzburg, Austria
| | - A Reyer
- Department of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Strasse 2a, 5020, Salzburg, Austria
| | - A Benisek
- Department of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Strasse 2a, 5020, Salzburg, Austria
| | - E Dachs
- Department of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Strasse 2a, 5020, Salzburg, Austria
| | - C Pruner
- Department of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Strasse 2a, 5020, Salzburg, Austria
| | - M Musso
- Department of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Strasse 2a, 5020, Salzburg, Austria
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3
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Devi TG, Borah B. Non-coincidence effect study of NN-Dibutyl formamide in binary liquid mixtures. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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4
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Požar M, Seguier JB, Guerche J, Mazighi R, Zoranić L, Mijaković M, Kežić-Lovrinčević B, Sokolić F, Perera A. Simple and complex disorder in binary mixtures with benzene as a common solvent. Phys Chem Chem Phys 2015; 17:9885-98. [DOI: 10.1039/c4cp05970k] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Substituting benzene for water in computer simulations of binary mixtures, allows one to study the various forms of disorder, without the complications often encountered in aqueous mixtures.
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Affiliation(s)
- Martina Požar
- Department of Physics
- Faculty of Sciences
- University of Split
- Split
- Croatia
| | - Jean-Baptiste Seguier
- Laboratoire de Physique Théorique de la Matière Condensée (UMR CNRS 7600)
- Université Pierre et Marie Curie
- Paris cedex 05
- France
| | - Jonas Guerche
- Laboratoire de Physique Théorique de la Matière Condensée (UMR CNRS 7600)
- Université Pierre et Marie Curie
- Paris cedex 05
- France
| | - Redha Mazighi
- Laboratoire de Physique Théorique de la Matière Condensée (UMR CNRS 7600)
- Université Pierre et Marie Curie
- Paris cedex 05
- France
| | - Larisa Zoranić
- Department of Physics
- Faculty of Sciences
- University of Split
- Split
- Croatia
| | | | | | - Franjo Sokolić
- Department of Physics
- Faculty of Sciences
- University of Split
- Split
- Croatia
| | - Aurélien Perera
- Laboratoire de Physique Théorique de la Matière Condensée (UMR CNRS 7600)
- Université Pierre et Marie Curie
- Paris cedex 05
- France
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5
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Polok K, Idrissi A, Gadomski W. Low frequency response of methanol/acetone mixtures: Optical Kerr effect and molecular dynamics simulations. J Mol Liq 2012. [DOI: 10.1016/j.molliq.2012.03.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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6
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Sun Y, Zheng R, Shi Q. Theoretical Study of Raman Spectra of Methanol in Aqueous Solutions: Non-Coincident Effect of the CO Stretch. J Phys Chem B 2012; 116:4543-51. [DOI: 10.1021/jp300178v] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yuanyuan Sun
- Beijing National
Laboratory for Molecular Sciences,
State Key Laboratory for Structural Chemistry of Unstable and Stable
Species, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun, Beijing 100190, China
| | - Renhui Zheng
- Beijing National
Laboratory for Molecular Sciences,
State Key Laboratory for Structural Chemistry of Unstable and Stable
Species, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun, Beijing 100190, China
| | - Qiang Shi
- Beijing National
Laboratory for Molecular Sciences,
State Key Laboratory for Structural Chemistry of Unstable and Stable
Species, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun, Beijing 100190, China
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Wang H, Wang L, Shen S, Zhang W, Li M, Du L, Zheng X, Phillips DL. Effects of hydrogen bond and solvent polarity on the C=O stretching of bis(2-thienyl)ketone in solution. J Chem Phys 2012; 136:124509. [DOI: 10.1063/1.3697482] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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8
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Torii H, Giorgini MG, Musso M. Merged- and Separate-Band Behavior of the C═O Stretching Band in N,N-Dimethylformamide Isotopic Liquid Mixtures: DMF/DMF-d1, DMF/DMF-d6, and DMF/DMF-13C═O. J Phys Chem B 2011; 116:353-66. [DOI: 10.1021/jp209119e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hajime Torii
- Department of Chemistry, School of Education, Shizuoka University, 836 Ohya, Shizuoka 422-8529, Japan
| | - Maria Grazia Giorgini
- Dipartimento di Chimica Fisica ed Inorganica, Università di Bologna, Viale del Risorgimento 4, I-40136 Bologna, Italy
| | - Maurizio Musso
- Fachbereich Materialforschung und Physik, Abteilung Physik und Biophysik, Universität Salzburg, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria
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9
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Rivera CA, Fourkas JT. Reexamining the interpretation of vibrational sum-frequency generation spectra. INT REV PHYS CHEM 2011. [DOI: 10.1080/0144235x.2011.641263] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Palombo F, Paolantoni M, Sassi P, Morresi A, Giorgini MG. Molecular dynamics of liquid acetone determined by depolarized Rayleigh and low-frequency Raman scattering spectroscopy. Phys Chem Chem Phys 2011; 13:16197-207. [DOI: 10.1039/c1cp21806a] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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11
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Torii H. Nature of vibrational frequency modulations and the related one- and two-dimensional vibrational spectral features analysed for the amide I mode of tetraalanine in aqueous solution. Mol Phys 2009. [DOI: 10.1080/00268970902804542] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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12
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The effect of microscopic inhomogeneities in acetone/methanol binary liquid mixtures observed through the Raman spectroscopic noncoincidence effect. J Mol Liq 2009. [DOI: 10.1016/j.molliq.2008.08.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Giorgini MG, Torii H, Musso M, Venditti G. Influence of Ions on the Structural Organization of Dipolar Liquids Probed by the Noncoincidence Effect: Experimental and Quantum Chemical Results. J Phys Chem B 2008; 112:7506-14. [DOI: 10.1021/jp800252n] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Maria Grazia Giorgini
- Dipartimento di Chimica Fisica ed Inorganica, Università di Bologna, Viale del Risorgimento 4, I-40136 Bologna, Italy, Department of Chemistry, School of Education, Shizuoka University, 836 Ohya, Shizuoka 422-8529, Japan, and Fachbereich Materialforschung und Physik, Abteilung Physik und Biophysik, Universität Salzburg, Hellbrunnerstraβe 34, A-5020 Salzburg, Austria
| | - Hajime Torii
- Dipartimento di Chimica Fisica ed Inorganica, Università di Bologna, Viale del Risorgimento 4, I-40136 Bologna, Italy, Department of Chemistry, School of Education, Shizuoka University, 836 Ohya, Shizuoka 422-8529, Japan, and Fachbereich Materialforschung und Physik, Abteilung Physik und Biophysik, Universität Salzburg, Hellbrunnerstraβe 34, A-5020 Salzburg, Austria
| | - Maurizio Musso
- Dipartimento di Chimica Fisica ed Inorganica, Università di Bologna, Viale del Risorgimento 4, I-40136 Bologna, Italy, Department of Chemistry, School of Education, Shizuoka University, 836 Ohya, Shizuoka 422-8529, Japan, and Fachbereich Materialforschung und Physik, Abteilung Physik und Biophysik, Universität Salzburg, Hellbrunnerstraβe 34, A-5020 Salzburg, Austria
| | - Giampaolo Venditti
- Dipartimento di Chimica Fisica ed Inorganica, Università di Bologna, Viale del Risorgimento 4, I-40136 Bologna, Italy, Department of Chemistry, School of Education, Shizuoka University, 836 Ohya, Shizuoka 422-8529, Japan, and Fachbereich Materialforschung und Physik, Abteilung Physik und Biophysik, Universität Salzburg, Hellbrunnerstraβe 34, A-5020 Salzburg, Austria
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14
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Torii H. Scheme of detecting microscopic inhomogeneity in binary liquid mixtures utilizing resonantly coupled vibrational modes. J Chem Phys 2007; 127:054508. [PMID: 17688350 DOI: 10.1063/1.2759918] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Influence of microscopic inhomogeneity in binary liquid mixtures on their vibrational spectra is studied by doing calculations on a model liquid system. The concentration dependence of the noncoincidence effect (NCE), which is a feature of vibrational bands related to the intermolecular resonant coupling of vibrational modes, is analyzed. It is suggested that observation of convex behavior of the NCEs for the vibrational bands of both species, especially that of the less polar species, in a binary liquid mixture is an indication of the occurrence of microscopic inhomogeneity.
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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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15
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Torii H. Time-Domain Calculations of the Polarized Raman Spectra, the Transient Infrared Absorption Anisotropy, and the Extent of Delocalization of the OH Stretching Mode of Liquid Water. J Phys Chem A 2006; 110:9469-77. [PMID: 16869698 DOI: 10.1021/jp062033s] [Citation(s) in RCA: 110] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The polarized Raman spectrum and the time dependence of the transient infrared (TRIR) absorption anisotropy are calculated for the OH stretching mode of liquid water (neat liquid H2O) by using time-domain formulations, which include the effects of both the diagonal frequency modulations (of individual oscillators) induced by the interactions between the dipole derivatives and the intermolecular electric field, and the off-diagonal (intermolecular) vibrational coupling described by the transition dipole coupling (TDC) mechanism. The IR spectrum of neat liquid H2O and the TRIR anisotropy of a liquid mixture of H2O/HDO/D2O are also calculated. It is shown that the calculated features of these optical signals, including the temperature dependence of the polarized Raman and IR spectra, are in reasonable agreement with the experimental results, indicating that the frequency separation between the isotropic and anisotropic components of the polarized Raman spectrum and the rapid decay (approximately 0.1 ps) of the TRIR anisotropy of the OH stretching mode of neat liquid H2O are mainly controlled by the resonant intermolecular vibrational coupling described by the TDC mechanism. Comparing with the time evolution of vibrational excitations, it is suggested that the TRIR anisotropy decays in the time needed for the initially localized vibrational excitations to delocalize over a few oscillators. It is also shown that the enhancement of the dipole derivatives by the interactions with surrounding molecules is an important factor in generating the spectral profiles of the OH stretching Raman band. The time-domain behavior of the molecular motions that affect the spectroscopic features is discussed.
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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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