研究领域

Physical chemistry

Multiple proton transfer reaction in hydrogen-bonded cluster keyword : proton transfer, hydrogen-bonded network, molecular beam, cooperative phenomenon 2000.04. Chemical reaction and fluctuation phenomena in molecular cluster keyword : proton transfer, energy transfer, molecular beam, hydrogen bond 2000.04.

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迫田 憲治, Markus Schütz, Matthias Schmies, Raphael Moritz, Aude Bouchet, Takamasa Ikeda, Otto Dopfer, 関谷 博, Weak hydrogen bonding motifs of ethylamino neurotransmitter radical cations in a hydrophobic environment: infrared spectra of tryptamine+–(N2)n clusters (n ≤ 6),Phys. Chem. Chem. Phys,Vol.16,2014.01. Kenji Sakota, 原田諭, Hiroshi Sekiya, Infrared spectroscopy of hydrated N-(2-phenylethyl)acetamide clusters: The electron-redistribution within the solute weakens local hydrogen bond,Chemical Physics,In press,2013.01. Kenji Sakota, 河野友輝, 原田諭, 宮崎充彦, 藤井正明, Hiroshi Sekiya,IR spectroscopy of monohydrated tryptamine cation: Rearrangement of the intermolecular hydrogen bond induced by photoionization,Journal of Chemical Physics,Vol.137,pp.art. no. 224311,2012.12. Takamasa Ikeda, Kenji Sakota, Yukio Kawashima, Yuiga Shimazaki, and Hiroshi Sekiya,Photoionization-Induced Water Migration in the Hydrated trans- Formanilide Cluster Cation Revealed by Gas-Phase Spectroscopy and Ab Initio Molecular Dynamics Simulation,Journal of Physical Chemistry A,Vol.116,pp.3816-3823,2012.03. Pino, Gustavo A., Alata, Ivan, Dedonder, Claude, Jouvet, Christophe, Sakota, Kenji,Sekiya, Hiroshi,Photon induced isomerization in the first excited state of the 7-azaindole-(H2O)(3) cluster,PHYSICAL CHEMISTRY CHEMICAL PHYSICS ,Vol.13,pp.6325-6331,2011.02. Sakota, Kenji, Shimazaki, Yuiga, Sekiya, Hiroshi,Entropy-driven rearrangement of the water network at the hydrated amide group of the trans-formanilide-water cluster in the gas phase,PHYSICAL CHEMISTRY CHEMICAL PHYSICS ,Vol.13,pp.6411-6415,2011.02. Sakota, Kenji, Harada, Satoshi, Shimazaki, Yuiga, Sekiya, Hiroshi, Photoionization-Induced Water Migration in the Amide Group of trans-Acetanilide-(H2O)(1) in the Gas Phase , JOURNAL OF PHYSICAL CHEMISTRY A,Vol.115,pp.626-630,2011.02. Kenji Sakota, Christophe Jouvet, Claude Dedonder, Masaaki Fujii,　and Hiroshi Sekiya,Excited-State Triple-Proton Transfer in 7-Azaindole(H2O)2 and Reaction Path Studied by Electronic Spectroscopy in the Gas Phase and Quantum Chemical Calculations,J. Phys. Chem. A,Vol.114,pp.11161-11166,2010.10. 迫田憲治，小牟礼典之，石川渡，関谷博,Spectroscopic study on the structural isomers of 7-azaindole(ethanol)n (n=1-3) and multiple-proton transfer reactions in the gas phase,JOURNAL OF CHEMICAL PHYSICS,Vol.130,pp.224307,2009.06. 迫田憲治，島崎結佳，関谷博,Formation of a dual hydrogen bond in the N-H…C=O moiety inthe indole-(N-methylacetamide)1 cluster revealed by IR-dip spectroscopy with natural bond orbital analysis,JOURNAL OF CHEMICAL PHYSICS,Vol.130,pp.231105,2009.06. 影浦裕，迫田憲治，関谷博,Charge Transfer Interaction of Intermolecular Hydrogen Bonds in 7-Azaindole(MeOH)n (n=1,2) with IR-Dip Spectroscopy and Natural Bond Orbital Analysis,JOURNAL OF Physical chemistry A,113号, 6880-6885ページ,2009.06. 迫田憲治，関谷博,Probe of the NH Bond Strength in L-1(a) and L-1(b) States of 7-azaindole with IR-Dip Spectroscopy: Insights into the Electronic-State Dependence of the Multiple Proton/Hydrogen Transfers in Hydrogen-Bonded Clusters,Journal of Physical Chemistry A,Volume: 113 Issue: 12 Pages: 2663-2665 ,2009.03. 迫田憲治，影浦裕，関谷博,Cooperativity of hydrogen-bonded networks in 7-azaindole(CH3OH)(n) (n=2,3) clusters evidenced by IR-UV ion-dip spectroscopy and natural bond orbital analysis,JOURNAL OF CHEMICAL PHYSICS ,2008.12. 関谷博，迫田憲治,Excited-state double-proton transfer in a model DNA base pair: Resolution for stepwise and concerted mechanism controversy in the 7-azaindole dimer revealed by frequency- and time-resolved spectroscopy,JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS,Volume: 9 Issue: 2 Pages: 81-91,2008.06. Sakota K, Tokuhara S, Sekiya H,Dispersed fluorescence spectroscopy of 2-hydroxypyridine and its cyclically hydrogen-bonded water clusters in the gas phase: An examination of occurrence of excited-state proton transfer,Chem. Phys. Lett.,448, 159-163 ,2007.11. Zhang X, Komoto Y, Sakota K, Masayuki N, Shinmyozu T, Nanbu S, Nakano H, Sekiya H,Remarkable suppression of the excited-state double-proton transfer in the 7-azaindole dimer due to substitution of the dimethylamino group studied by electronic spectroscopy in the gas phase,Chem. Phys. Lett.,443, 194-198 ,2007.06. Zhang X, Komoto Y, Sakota K, Nakagaki M, Nakano H, Shinmyozu T, Sekiya H,Heavy mass effect on excited-state double-proton transfer in the 7-azaindole dimer by Cl substitution,Chem. Phys. Lett.,441, 176-180 ,2007.06. Sakota K, Inoue N, Komoto Y, Sekiya H,Cooperative triple-proton/hydrogen atom relay in 7-azaindole(CH3OH)(2) in the gas phase: Remarkable change in the reaction mechanism from vibrational-mode specific to statistical fashion with increasing internal energy,J. Phys. Chem. A,111, 4596-4603,2007.05. Sakota K, Komoto Y, Nakagaki M, Ishikawa W, Sekiya H,Observation of a catalytic proton/hydrogen atom relay in microsolvated 7-azaindole-methanol cluster enhanced by a cooperative motion of the hydrogen-bonded network,Chem. Phys. Lett.,435, 1-4,2007.02. Sekiya H, Sakota K,Excited-state double-proton transfer in the 7-azaindole dimer in the gas phase. Resolution of the stepwise versus concerted mechanism controversy and a new paradigm.,Bull. Chem. Soc. Jpn.,328, 190-196,2006.03.