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.

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.