Search Results - "Tasumi, Mitsuo"

Anharmonic Vibrational Analysis of Ethylene, Butadiene, and Longer Conjugated Alkenes by Double-Hybrid Density-Functional Theory Calculations by Furuya, Kazuhiko, Sakamoto, Akira, Tasumi, Mitsuo

“…The anharmonic vibrational wavenumbers of ethylene, trans-1,3-butadiene, and conjugated all-trans alkenes (1,3,5-hexatriene, 1,3,5,7-octatetraene, and…”
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Anharmonic Vibrational Analysis of Dihalogenomethanes and Dihalogenoethanes by Density-Functional Theory Calculations by Furuya, Kazuhiko, Sakamoto, Akira, Tasumi, Mitsuo

“…The anharmonic vibrational wavenumbers of dihalogeno-methanes CH2X2 and 1,2-dihalogenoethanes CH2XCH2X (X: F, Cl, and Br) were calculated by using hybrid and…”
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Raman studies of Japanese art objects by a portable Raman spectrometer using liquid crystal tunable filters by Sakamoto, Akira, Ochiai, Shukichi, Higashiyama, Hisamitsu, Masutani, Koji, Kimura, Jun-ichi, Koseto-Horyu, Emi, Tasumi, Mitsuo

“…Raman spectroscopic studies of a few Japanese art objects have been performed by using a portable Raman spectrometer constructed with liquid crystal tunable…”
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Symmetry of the benzene ring and its normal vibrations: The “breathing” mode is not always a normal vibration of a benzene ring by Sakamoto, Akira, Tasumi, Mitsuo

“…Vibrational analysis based on density‐functional theory calculations at the B3LYP/6‐311+G(d,p) level has been performed for benzene and its 10 deuterated…”
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Effects of Intermolecular Hydrogen-Bonding Interactions on the Amide I Mode of N-Methylacetamide:  Matrix-Isolation Infrared Studies and ab Initio Molecular Orbital Calculations by Torii, Hajime, Tatsumi, Tomoaki, Kanazawa, Takanori, Tasumi, Mitsuo

“…Effects of intermolecular hydrogen-bonding interactions on the amide I mode of N-methylacetamide (NMA) are studied by matrix-isolation infrared (IR)…”
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Low-Wavenumber Vibrational Dynamics of Liquid Formamide and N-Methylformamide:  Molecular Dynamics and Instantaneous Normal Mode Analysis by Torii, Hajime, Tasumi, Mitsuo

“…Low-wavenumber vibrational dynamics are studied for liquid formamide (FA) and N-methylformamide (NMF) by the methods of molecular dynamics (MD) and…”
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Molecular Structures and Vibrational Spectra of trans- and cis-Polyacetylene and Their Oligoenes Revisited Using Density Functional Theory Calculations by Furuya, Kazuhiko, Sakamoto, Akira, Tasumi, Mitsuo

“…Polyacetylene, the most representative synthetic conducting polymer, has attracted much attention because it exhibits high conductivity upon doping. In this…”
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Vibrational Analysis of trans-Stilbene in the Ground and Excited Singlet Electronic States Revisited by Watanabe, Hiroyuki, Okamoto, Yuichi, Furuya, Kazuhiko, Sakamoto, Akira, Tasumi, Mitsuo

“…The Raman and infrared bands of trans-stilbene in the ground electronic state (S0) and an excited singlet state (S1) are assigned on the basis of density…”
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Liquid Structure, Infrared and Isotropic/Anisotropic Raman Noncoincidence of the Amide I Band, and Low-Wavenumber Vibrational Spectra of Liquid Formamide:  Molecular Dynamics and ab Initio Molecular Orbital Studies by Torii, Hajime, Tasumi, Mitsuo

“…The relationship between the liquid structure of formamide and wavenumber differences among its infrared (IR), isotropic Raman, and anisotropic Raman bands in…”
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Vibrational Relaxation Dynamics of trans-Stilbene in the Lowest Excited Singlet State. Pump and Probe Wavelength Dependencies of the Picosecond Time-Resolved Anti-Stokes Raman Spectrum by Nakabayashi, Takakazu, Okamoto, Hiromi, Tasumi, Mitsuo

“…The vibrational relaxation process of trans-stilbene in the lowest electronically excited singlet state after photoexcitation has been studied by picosecond…”
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Formulation of Raman scattering revisited by Morita, Reiko, Morita, Hayato, Tasumi, Mitsuo

“…In Raman scattering, photons are scattered by electrons in a molecule. Its mechanism was elucidated early after the development of quantum mechanics. If the…”
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Infrared Intensity-Carrying Modes and Electron−Vibration Interactions in the Radical Cations of Polycyclic Aromatic Hydrocarbons by Torii, Hajime, Ueno, Yuko, Sakamoto, Akira, Tasumi, Mitsuo

“…Electron−vibration interactions giving rise to infrared (IR) intensities characteristic of the radical cations of polycyclic aromatic hydrocarbons (PAHs) are…”
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Density Functional Theory Study on the Raman Spectra of Negative Polarons and Negative Bipolarons in Na-Doped Poly(p-phenylene) by Honda, Kotaro, Furukawa, Yukio, Furuya, Kazuhiko, Torii, Hajime, Tasumi, Mitsuo

“…Density functional theory with the 6-31G* basis set and the BYLP nonlocal exchange-correlation functional has been used for the normal coordinate calculations…”
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Excitation energy transfer from symmetric cyanine dyes to unsymmetric merocyanine aggregated in functionalized Langmuir–Blodgett films by time-resolved fluorescence spectroscopy by Ray, Krishanu, Nakahara, Hiroo, Sakamoto, Akira, Tasumi, Mitsuo

“…The fluorescence decays and ultrafast time-resolved spectra in mono- and multilayered Langmuir–Blodgett (LB) films were measured to explore the dynamics of…”
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Molecular Distortion of trans -Stilbene and the Raman Intensity of the In-Phase CH Out-of-Plane Wag of the Central CHCH Group by Furuya, Kazuhiko, Kawato, Kouji, Yokoyama, Hiroshi, Sakamoto, Akira, Tasumi, Mitsuo

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Vibrational spectra and electron–vibration interactions of the naphthalene radical anion — Experimental and theoretical study by Torii, Hajime, Ueno, Yuko, Sakamoto, Akira, Tasumi, Mitsuo

“…Vibrational analysis is carried out for the radical anions of naphthalene-h 8 and -d 8 . Their infrared (IR) spectra are observed in tetrahydrofuran by using a…”
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Relationship between the distortion of polyene chains from planarity and the Raman activity of the in-phase CH out-of-plane wag by Fujimori, Kazuki, Sakamoto, Akira, Tasumi, Mitsuo

“…The relationship between the distortion of polyene chains from planarity and the Raman activity of the in‐phase CH out‐of‐plane wag is examined by performing…”
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Probe-Wavelength Dependence of Picosecond Time-Resolved Anti-Stokes Raman Spectrum of Canthaxanthin:  Determination of Energy States of Vibrationally Excited Molecules Generated via Internal Conversion from the Lowest Excited Singlet State by Nakabayashi, Takakazu, Okamoto, Hiromi, Tasumi, Mitsuo

“…The vibrational relaxation process in the ground electronic state (S0) of canthaxanthin after internal conversion from the lowest excited electronic state (S1)…”
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Spectroscopic Studies on the Radical-Cation Dimer of a Model Compound of Poly(p-phenylenevinylene). Similarities between the Dimer and the State of Positive Polarons in the Sulfuric-Acid-Treated Polymer by Sakamoto, Akira, Furukawa, Yukio, Tasumi, Mitsuo

“…Reversible dimerization of the radical cations of a model compound [CH3(C6H4CHCH)2C6H4CH3] of poly(p-phenylenevinylene) (PPV) in dichloromethane solution has…”
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Probe-Wavelength Dependency of Picosecond Anti-Stokes Raman Spectra of trans-Stilbene in the S1 State by Nakabayashi, Takakazu, Okamoto, Hiromi, Tasumi, Mitsuo

“…The picosecond anti-Stokes Raman spectra of trans-stilbene in the S1 state have been observed by using several probe wavelengths (580−670 nm) and a fixed pump…”
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