"Nobuyuki Akai,Akio Kawai,KAZUHIKO SHIBUYA","Ion-pair structure of vaporized ionic liquid studied by matrix-isolation FTIR spectroscopy with DFT calculation: A case of 1-ethyl-3-methylimidazolium trifluoromethanesulfonate",,,,"Vol. 114",,"p. 12662-12666",2010,Dec.
"Nobuyuki Akai,Daisuke Wakamatsu,Akio Kawai,KAZUHIKO SHIBUYA","Matrix-isolation infrared spectra of HOOBr and HOBrO produced upon VUV light irradiation of HBr/O2/Ne system",,"Chemical physics letters",,"Vol. 499",,"p. 117-120",2010,Oct.
"T.Yoshinobu,N.Akai,A.Kawai,K.Shibuya","Neon matrix-isolation infrared spectrum of measured upon VUV-light irradiation of an HCl/O<sub>2</sub> mixture",,"Chemical Physics Letters","elsevier","Vol. 477",,"p. 70-74",2009,July
"Eiji Furui,Nobuyuki Akai,Akira Ida,Akio Kawai,KAZUHIKO SHIBUYA","Observation of collision-induced near-IR emission of singlet oxygen O<sub>2</sub> a<sup>1</sup>?<sub>g</sub> generated by visible light excitation of gaseous O<sub>2</sub> dimol",,"Chemical Physics Letters","elsevier","Vol. 471",,"p. 45-49",2009,Mar.
"Yusuke Miyake,Takehiro Hidemori,Nobuyuki Akai,Akio Kawai,KAZUHIKO SHIBUYA,Shinichi Koguchi,TOMOYA KITAZUME","EPR Study of Rotational Diffusion in Viscous Ionic Liquids: Analysis by a Fractional Stokes?Einstein?Debye Law",,"Chemistry letters","日本化学会","Vol. 38",,"p. 124-125",2009,Feb.
"Nobuyuki Akai,David Parazs,Akio Kawai,KAZUHIKO SHIBUYA","Cryogenic Neon Matrix-Isolation FTIR Spectroscopy of Evaporated Ionic Liquids: Geometrical Structure of Cation-Anion 1:1 Pair in the Gas Phase",,"Journal of Physical Chemistry B","ACS","Vol. 113",,"p. 4756-4762",2009,Feb.
"Keiichi Ohno,Takafumi Shimoaka,Nobuyuki Akai,Yukiteru Katsumoto","Relationship between the Broad OH Stretching Band of Methanol and Hydrogen-Bonding Patterns in the Liquid Phase",,"Journal of physical chemistry A","ACS","Vol. 112","No. 32","Page 7342-7348",2008,July
"Nobuyuki Akai,Akio Kawai,KAZUHIKO SHIBUYA","First Observation of the Matrix-isolated FTIR Spectrum of Vaporized Ionic Liquid: An Example of EmimTFSI, 1-Ethyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide",,"Chemistry Letters","日本化学会","Vol. 37","No. 3","Page 256",2008,Feb.
"N. Akai,K. Ohno,M. Aida","photochemistry of 2-(methylamino)pyridine in a low-temperature argon matrix: amino-imino tautomerism and rotational isomerism",,"J. Photochem. Photobiol. A",,"Vol. 187",,"pp. 113-118",2007,
"T. Itoh,N. Akai,K. Ohno","Infrared spectra of p-, m- and o-fluorobenzaldehyde in low temperature argon matrices",,"J. Mol. Struct.",,"Vol. 786",,"pp. 39-45",2006,
"N. Akai,T. Harada,K. Shin-ya,K. Ohno,M. Aida","Photoinduced Amino-Imino Tautomerism: An Infrared Study of 2-Amino-5-methylpyridine in a Low-Temperature Argon Matrix",,"J. Phys. Chem. A",,"Vol. 110",,"pp. 6016-6022",2006,
"N. Akai,H. Yoshida,K. Ohno,M. Aida","Photochemistry of p-toluidine in a low-temperature argon matrix: infrared spectrum and geometrical structure of 4-methylaniino radical",,"Chem. Phys. Lett.",,"Vol. 403",,"pp. 390-395",2005,
"K. Ujike,N. Akai,S. Kudoh,M. Nakata","Photoisomerization and photocyclization of 3,5-cyclohexadiene-1,2-diimine and its methyl-substituted derivatives in low-temperature argon matrices",,"J. Mol. Struct.",,"Vol. 735-736",,"pp. 335-342",2005,
"N. Akai,S. Kudoh,M. Nakata","Hydrogen-atom migration and Wolff rearrangement in photolysis of chlorohydroquinone to produce p-benzoquinone and 3-hydroxy-2,4-cyclopentadiene-1-ylidenemethanone",,"J. Photochem. Photobiol. A",,"Vol. 169",,"pp. 47-55",2005,
"K. Ohno,M. Okimura,N. Akai,Y. Katsumoto","The effect of cooperative hydrogen bonding on the OH stretching-band shift for water clusters studied by matrix-isolation infrared spectroscopy and density functional theory",,"Phys. Chem. Chem. Phys.",,"Vol. 7",,"pp. 3005-3014",2005,
"N. Akai,Y. Katsumoto,K. Ohno,M. Aida","Vibrational anharmonicity of acetic acid studied by matrix-isolation near-infrared spectroscopy and DFT calculation",,"Chem. Phys. Lett.",,"Vol. 413",,"pp. 367-372",2005,
"N. Akai","Infrared spectra of photoinduced excited transition species by matrix-isolation method",,"Bunko Kenkyu",,"Vol. 54",,"pp. 342-348",2005,
"N. Akai,K. Ohno,M. Aida","Photoinduced amino-imino tautomerism of 2-aminopyridine in a low-temperature argon matrix",,"Chem. Phys. Lett.",,"Vol. 413",,"pp. 306-310",2005,
"N. Akai,D. Negishi,S. Kudoh,M. Takayanagi,M. Nakata","Infrared spectrum and molecular structure of lowest electronically excited triplet state of 1,4-dicyano-2,3,5,6-tetrafluorobenzene in low-temperature matrices",,"J. Mol. Struct.",,"Vol. 688",,"pp. 177-183",2004,
"M. Nagata,Y. Futami,N. Akai,S. Kudoh,M. Nakata","Structure and infrared spectrum of 2-hydroxyphenyl radical",,"Chem. Phys. Lett.",,"Vol. 392",,"pp. 259-264",2004,
"N. Akai,S. Kudoh,M. Nakata","Matrix-isolation infrared spectrum and optimized structure of 2,3-dicyanonaphthalene in the T1 state",,"Chem. Phys. Lett.",,"Vol. 392",,"pp. 480-485",2004,
"N. Akai,S. Kudoh,M. Nakata","Experimental and theoretical study of a new C10N8 compound. Reversible photoisomerization between 2,3,6,7-tetracyano-1,4,5,8-tetraazanapthalene and 4,5,9,10-tetracyano-1,3,6,8-tetraazacyclodeca-1,2,4,6,7,9-hexaene in low-temperature rare-gas matrices",,"Chem. Phys. Lett.",,"Vol. 375",,"pp. 605-611",2003,
"N. Akai,I. Miura,S. Kudoh,K. Shigehara,M. Nakata","Lowest Electronically Excited Triplet States of 1,2,4,5-Tetracyanobenzene and Tetracyanopyrazine by Matrix-Isolation Infrared Spectroscopy Combined with a Density-Functional-Theory Calculation",,"Bull. Chem. Soc. Jpn.",,"Vol. 76",,"pp. 1927-1938",2003,
"N. Akai,S. Kudoh,M. Nakata","UV photolysis of 1,4-diaminobenzene in a low-temperature argon matrix to 2,5-cyclohexadiene-1,4-diimine via 4-aminoanilino radical",,"J. Phys. Chem. A",,"Vol. 107",,"pp. 6725-6730",2003,
"N. Akai,S. Kudoh,M. Nakata","Photoisomerization and tunneling isomerization of tetrachlorohydroquinone in a low-temperature argon matrix",,"J. Phys. Chem. A",,"Vol. 107",,"pp. 3655-3659",2003,
"N. Akai,S. Kudoh,M. Nakata","Methyl-group move in the low-temperature rare-gas matrices and conformational analysis of 1,4-dimethoxybenzene",,"J. Phys. Chem. A",,"Vol. 107",,"pp. 2635-2641",2003,
"N. Akai,S. Kudoh,M. Nakata","Lowest excited triplet states of 1,2- and 1,4-dicyanobenzenes by low-temperature matrix-isolation infrared spectroscopy and density-functional-theory calculation",,"Chem. Phys. Lett.",,"Vol. 371",,"pp. 655-661",2003,
"N. Akai,S. Kudoh,M. Takayanagi,M. Nakata","Hydrogen-atom tunneling of 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone in a low-temperature argon matrix studied by FTIR spectroscopy",,"J. Phys. Chem. A",,"Vol. 106",,"pp. 11029-11033",2002,
"N. Akai,S. Kudoh,M. Takayanagi,M. Nakata","Photoreaction mechanisms of 2-bromophenols studied by low-temperature matrix-isolation infrared spectroscopy and density-functional-theory calculation",,"Chem. Phys. Lett.",,"Vol. 363",,"pp. 591-597",2002,
"N. Akai,S. Kudoh,M. Takayanagi,M. Nakata","Photoinduced rotational isomerization mechanism of 2-chlorobenzaldehyde in low-temperature rare-gas matrices by vibrational and electronic spectroscopies",,"J. Photochem. Photobiol. A",,"Vol. 150",,"pp. 93-100",2002,
" N. Akai,S. Kudoh,M. Takayanagi,M. Nakata","Cis-trans isomerization equilibrium in hydroquinone in low-temperature argon and xenon matrices studied by FTIR spectroscopy",,"Chem.Phys.Lett.",,"Vol. 356",,"pp. 133-139",2002,
"N. Akai,S. Kudoh,M. Takayanagi,M. Nakata","Photoreaction mechanisms of 2-chlorophenol and its multiple chloro-substituted derivatives studied by low-temperature matrix-isolation infrared spectroscopy and density-functional-theory calculations",,"J. Photochem. Photobiol. A",,"Vol. 146",,"pp. 49-57",2001,