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Research Output 1986 2019

  • 1072 Citations
  • 20 h-Index
  • 67 Article
2019
1 Citation (Scopus)
Vibrational spectra
Infrared radiation
Atoms
Carbon Monoxide
atoms
2014
11 Citations (Scopus)

Temperature effects on prevalent structures of hydrated Fe+ complexes: Infrared spectroscopy and DFT calculations of Fe+(H2O)n (n = 3-8)

Ohashi, K., Sasaki, J., Yamamoto, G., Judai, K., Nishi, N. & Sekiya, H., Dec 7 2014, In : Journal of Chemical Physics. 141, 21, 214307.

Research output: Contribution to journalArticle

Isomers
Thermal effects
Density functional theory
temperature effects
Infrared spectroscopy
2012
2 Citations (Scopus)

Coordination and solvation of V + with ammonia molecules: Infrared photodissociation spectroscopy of V +(NH 3) n (n = 4-8)

Koga, N., Ohashi, K., Furukawa, K., Imamura, T., Judai, K., Nishi, N. & Sekiya, H., Jun 29 2012, In : Chemical Physics Letters. 539-540, p. 1-6 6 p.

Research output: Contribution to journalArticle

Photodissociation
Solvation
Ammonia
Isomers
photodissociation
2011
23 Citations (Scopus)

Coordinatively unsaturated cobalt ion in Co+(H 2O)n (n = 4-6) probed with infrared photodissociation spectroscopy

Furukawa, K., Ohashi, K., Koga, N., Imamura, T., Judai, K., Nishi, N. & Sekiya, H., May 27 2011, In : Chemical Physics Letters. 508, 4-6, p. 202-206 5 p.

Research output: Contribution to journalArticle

Photodissociation
Cobalt
photodissociation
cobalt
Spectroscopy
2010
8 Citations (Scopus)

Infrared photodissociation spectroscopy of Co+(NH3)n and Ni+(NH3)n: Preference for tetrahedral or square-planar coordination

Imamura, T., Ohashi, K., Sasaki, J., Inoue, K., Furukawa, K., Judai, K., Nishi, N. & Sekiya, H., Jan 1 2010, In : Physical Chemistry Chemical Physics. 12, 37, p. 11647-11656 10 p.

Research output: Contribution to journalArticle

Photodissociation
photodissociation
Spectroscopy
Ligands
Infrared radiation
4 Citations (Scopus)

Methanol solvation of the Ag+ ion probed with infrared photodissociation spectroscopy of Ag+(CH3OH)n (n = 1-5)

Furukawa, K., Ohashi, K., Imamura, T., Sasaki, J., Judai, K., Nishi, N. & Sekiya, H., Jul 29 2010, In : Chemical Physics Letters. 495, 1-3, p. 8-13 6 p.

Research output: Contribution to journalArticle

Photodissociation
Solvation
Isomers
photodissociation
Density functional theory
2009
4 Citations (Scopus)

A molecular picture of metal ion solvation: Infrared spectroscopy of Cu+(NH3)n and Ag+(NH3)n in the gas phase

Ohashi, K., Inoue, K., Iino, T., Sasaki, J., Judai, K., Nishi, N. & Sekiya, H., Jul 20 2009, In : Journal of Molecular Liquids. 147, 1-2, p. 71-76 6 p.

Research output: Contribution to journalArticle

Solvation
coordination number
Metal ions
solvation
Infrared spectroscopy
13 Citations (Scopus)

Infrared photodissociation spectroscopy of V+(H2O)n (n = 2-8): Coordinative saturation of V+ with four H2O molecules

Sasaki, J., Ohashi, K., Inoue, K., Imamura, T., Judai, K., Nishi, N. & Sekiya, H., May 25 2009, In : Chemical Physics Letters. 474, 1-3, p. 36-40 5 p.

Research output: Contribution to journalArticle

Photodissociation
photodissociation
Spectroscopy
Infrared radiation
saturation
2008
7 Citations (Scopus)

Coordination structures of the silver ion: Infrared photodissociation spectroscopy of Ag+(NH3)n (n = 3-8)

Inoue, K., Ohashi, K., Iino, T., Sasaki, J., Judai, K., Nishi, N. & Sekiya, H., 2008, In : Physical Chemistry Chemical Physics. 10, 21, p. 3052-3062 11 p.

Research output: Contribution to journalArticle

Photodissociation
Silver
photodissociation
infrared spectra
silver
2007
20 Citations (Scopus)

Coordination and solvation of copper ion: Infrared photodissociation spectroscopy of Cu+(NH3)n (n = 3-8)

Inoue, K., Ohashi, K., Iino, T., Judai, K., Nishi, N. & Sekiya, H., Aug 28 2007, In : Physical Chemistry Chemical Physics. 9, 34, p. 4793-4802 10 p.

Research output: Contribution to journalArticle

Photodissociation
Solvation
photodissociation
solvation
Copper
18 Citations (Scopus)

Coordination and solvation of noble metal ions: Infrared spectroscopy of Ag+(H2O)n

Iino, T., Ohashi, K., Inoue, K., Judai, K., Nishi, N. & Sekiya, H., Jul 1 2007, In : European Physical Journal D. 43, 1-3, p. 37-40 4 p.

Research output: Contribution to journalArticle

noble metals
solvation
metal ions
infrared spectroscopy
hydrogen
51 Citations (Scopus)

Infrared spectroscopy of Cu+ (H2 O)n and Ag+ (H2 O)n: Coordination and solvation of noble-metal ions

Iino, T., Ohashi, K., Inoue, K., Judai, K., Nishi, N. & Sekiya, H., May 28 2007, In : Journal of Chemical Physics. 126, 19, 194302.

Research output: Contribution to journalArticle

Solvation
Precious metals
noble metals
Metal ions
solvation
2006
35 Citations (Scopus)

Infrared photodissociation spectra and solvation structures of Cu+(H2O)n (n = 1-4)

Iino, T., Ohashi, K., Mune, Y., Inokuchi, Y., Judai, K., Nishi, N. & Sekiya, H., Aug 18 2006, In : Chemical Physics Letters. 427, 1-3, p. 24-28 5 p.

Research output: Contribution to journalArticle

Photodissociation
Solvation
photodissociation
solvation
Infrared radiation
12 Citations (Scopus)

Infrared photodissociation spectroscopy of [Al(NH3) n]+ (n = 1-5): Solvation structures and insertion reactions of Al+ into NH3

Mune, Y., Ohashi, K., Iino, T., Inokuchi, Y., Judai, K., Nishi, N. & Sekiya, H., Feb 15 2006, In : Chemical Physics Letters. 419, 1-3, p. 201-206 6 p.

Research output: Contribution to journalArticle

Photodissociation
Solvation
photodissociation
adducts
solvation
2004
16 Citations (Scopus)

Electronic spectra of jet-cooled 3-methyl-7-azaindole dimer. Symmetry of the lowest excited electronic state and double-proton transfer

Hara, A., Komoto, Y., Sakota, K., Miyoshi, R., Inokuchi, Y., Ohashi, K., Kubo, K., Yamamoto, E., Mori, A., Nishi, N. & Sekiya, H., Dec 9 2004, In : Journal of Physical Chemistry A. 108, 49, p. 10789-10793 5 p.

Research output: Contribution to journalArticle

Proton transfer
Electronic states
electronic spectra
dimers
protons
13 Citations (Scopus)

Infrared photodissociation spectra and solvation structures of Mg +(CH3OH)n (n = 1-4)

Machinaga, H., Ohashi, K., Inokuchi, Y., Nishi, N. & Sekiya, H., Jun 11 2004, In : Chemical Physics Letters. 391, 1-3, p. 85-90 6 p.

Research output: Contribution to journalArticle

Photodissociation
Solvation
photodissociation
solvation
Methanol
16 Citations (Scopus)

Infrared photodissociation spectroscopy of Mg + (NH 3 ) n (n=3-6): Direct coordination or solvation through hydrogen bonding

Ohashi, K., Terabaru, K., Inokuchi, Y., Mune, Y., Machinaga, H., Nishi, N. & Sekiya, H., Jul 21 2004, In : Chemical Physics Letters. 393, 1-3, p. 264-270 7 p.

Research output: Contribution to journalArticle

Photodissociation
Solvation
Ammonia
photodissociation
solvation
2003
2 Citations (Scopus)

Fermi resonance interaction in hetero-dimer and trimer ions containing aniline+

Inokuchi, Y., Ohshimo, K., Ohashi, K., Honkawa, Y., Sekiya, H. & Nishi, N., May 28 2003, In : Chemical Physics Letters. 373, 5-6, p. 568-574 7 p.

Research output: Contribution to journalArticle

trimers
aniline
Dimers
dimers
Ions
30 Citations (Scopus)

Infrared photodissociation spectroscopy of [Aniline-(Water)n]+ (n = 1-8): Structural change from branched and cyclic to proton-transferred forms

Inokuchi, Y., Ohashi, K., Honkawa, Y., Yamamoto, N., Sekiya, H. & Nishi, N., May 29 2003, In : Journal of Physical Chemistry A. 107, 21, p. 4230-4237 8 p.

Research output: Contribution to journalArticle

Photodissociation
aniline
photodissociation
Protons
Spectroscopy
5 Citations (Scopus)

Infrared spectra and structures of (CH3NH2)nH+ (n = 1-4). Binding features of an excess proton

Michi, T., Ohashi, K., Inokuchi, Y., Nishi, N. & Sekiya, H., Mar 28 2003, In : Chemical Physics Letters. 371, 1-2, p. 111-117 7 p.

Research output: Contribution to journalArticle

Protons
infrared spectra
Infrared radiation
Molecules
Stretching
5 Citations (Scopus)

Infrared spectra and structures of aniline+-furan and aniline+-phenol. Preference between π-type and σ-type hydrogen-bonded structures

Honkawa, Y., Inokuchi, Y., Ohashi, K., Nishi, N. & Sekiya, H., Jul 17 2003, In : Chemical Physics Letters. 376, 1-2, p. 244-250 7 p.

Research output: Contribution to journalArticle

furans
Phenol
aniline
phenols
Hydrogen
11 Citations (Scopus)

Pulsed field ionization-ZEKE spectroscopy of 4-aminobenzonitrile-H2o. Hydrogen-bonding interaction in the amino site

Sakota, K., Yamamoto, N., Ohashi, K., Saeki, M., Ishiuchi, S. I., Sakai, M., Fujii, M. & Sekiya, H., May 1 2003, In : Physical Chemistry Chemical Physics. 5, 9, p. 1775-1779 5 p.

Research output: Contribution to journalArticle

Kinetic energy
Isomers
Ionization
Hydrogen bonds
isomers
2002
17 Citations (Scopus)

Infrared photodissociation spectroscopy of aniline+-(water)1,2 and aniline+-(methanol)1,2

Honkawa, Y., Inokuchi, Y., Ohashi, K., Nishi, N. & Sekiya, H., Jun 7 2002, In : Chemical Physics Letters. 358, 5-6, p. 419-425 7 p.

Research output: Contribution to journalArticle

Photodissociation
aniline
photodissociation
Methanol
methyl alcohol
14 Citations (Scopus)

Intermolecular interactions in aniline-benzene hetero-trimer and aniline homo-trimer ions

Ohashi, K., Inokuchi, Y., Nishi, N. & Sekiya, H., May 10 2002, In : Chemical Physics Letters. 357, 3-4, p. 223-229 7 p.

Research output: Contribution to journalArticle

trimers
Benzene
aniline
benzene
Ions
12 Citations (Scopus)

Intracluster proton transfer in aniline-amine complex ions

Inokuchi, Y., Ohashi, K., Honkawa, Y., Sekiya, H. & Nishi, N., Jun 20 2002, In : Chemical Physics Letters. 359, 3-4, p. 283-288 6 p.

Research output: Contribution to journalArticle

Proton transfer
aniline
Amines
amines
Ions
26 Citations (Scopus)

IR-dip and IR-UV hole-burning spectra of jet-cooled 4-aminobenzonitrile-(H2O)1. Observation of π-type and σ-type hydrogen-bonded conformers in the CN site

Sakota, K., Yamamoto, N., Ohashi, K., Saeki, M., Ishiuchi, S., Sakai, M., Fujii, M. & Sekiya, H., Oct 1 2002, In : Chemical Physics. 283, 1-2, p. 209-219 11 p.

Research output: Contribution to journalArticle

hole burning
Isomers
Hydrogen
isomers
Water
6 Citations (Scopus)

LIF and IR dip spectra of jet-cooled p-aminophenol-M (M = CO, N2): Hydrogen-bonded or van der waals-bonded structure?

Mori, H., Kugisaki, H., Inokuchi, Y., Nishi, N., Miyoshi, E., Sakota, K., Ohashi, K. & Sekiya, H., May 16 2002, In : Journal of Physical Chemistry A. 106, 19, p. 4886-4890 5 p.

Research output: Contribution to journalArticle

Carbon Monoxide
laser induced fluorescence
Hydrogen
carbon monoxide
hydrogen
3 Citations (Scopus)

Positive charge distribution in (benzene)1(toleune)2 + and (benzene)2(toluene)1 + studied by photodissociation spectroscopy

Inokuchi, Y., Ohashi, K., Sekiya, H. & Nishi, N., Dec 15 2002, In : Journal of Chemical Physics. 117, 23, p. 10648-10653 6 p.

Research output: Contribution to journalArticle

Photodissociation
Charge distribution
Toluene
Benzene
electronic spectra
18 Citations (Scopus)

Structure and intermolecular hydrogen bond of jet-cooled p-aminophenol-(H2O)1 studied by electronic and IR-dip spectroscopy and density functional theory calculations

Mori, H., Kugisaki, H., Inokuchi, Y., Nishi, N., Miyoshi, E., Sakota, K., Ohashi, K. & Sekiya, H., Mar 15 2002, In : Chemical Physics. 277, 2, p. 105-115 11 p.

Research output: Contribution to journalArticle

Density functional theory
Infrared spectroscopy
Hydrogen bonds
Isomers
hydrogen bonds
2001
15 Citations (Scopus)

Density functional studies on aniline dimer cations

Yamamoto, N., Ohashi, K., Hino, K., Izutsu, H., Mogi, K., Sakai, Y. & Sekiya, H., Sep 21 2001, In : Chemical Physics Letters. 345, 5-6, p. 532-538 7 p.

Research output: Contribution to journalArticle

aniline
Isomers
Dimers
Cations
isomers
25 Citations (Scopus)

Electronic and infrared spectra of jet-cooled 4-aminobenzonitrile- H2O . Change of NH2 from proton acceptor to proton donor by CN substitution

Sakota, K., Yamamoto, N., Ohashi, K., Sekiya, H., Saeki, M., Ishiuchi, S. I., Sakai, M. & Fujii, M., Jun 15 2001, In : Chemical Physics Letters. 341, 1-2, p. 70-76 7 p.

Research output: Contribution to journalArticle

electronic spectra
Protons
Substitution reactions
infrared spectra
substitutes
15 Citations (Scopus)

Hole-burning spectroscopy and ab initio calculations for the aniline dimer

Yamamoto, N., Hino, K., Mogi, K., Ohashi, K., Sakai, Y. & Sekiya, H., Jul 13 2001, In : Chemical Physics Letters. 342, 3-4, p. 417-424 8 p.

Research output: Contribution to journalArticle

hole burning
aniline
Dimers
Conformations
dimers
2000
23 Citations (Scopus)

Absence of dual fluorescence in jet-cooled benzonitrile and p-tolunitrile

Sakota, K., Nishi, K., Ohashi, K. & Sekiya, H., May 26 2000, In : Chemical Physics Letters. 322, 5, p. 407-411 5 p.

Research output: Contribution to journalArticle

Charge transfer
Fluorescence
charge transfer
fluorescence
emission spectra
29 Citations (Scopus)

Electronic and vibrational spectra of aniline-benzene hetero-dimer and aniline homo-dimer ions

Ohashi, K., Inokuchi, Y., Izutsu, H., Hino, K., Yamamoto, N., Nishi, N. & Sekiya, H., Jun 9 2000, In : Chemical Physics Letters. 323, 1-2, p. 43-48 6 p.

Research output: Contribution to journalArticle

Vibrational spectra
Benzene
aniline
electronic spectra
Dimers
4 Citations (Scopus)

IVR and dissociation in the S1 state of jet-cooled benzonitrile-H2O

Sakota, K., Nishi, K., Ohashi, K. & Sekiya, H., Jan 1 2000, In : Chemistry Letters. 6, p. 618-619 2 p.

Research output: Contribution to journalArticle

Binding energy
Charge transfer
Fluorescence
benzonitrile
10 Citations (Scopus)

Vibrational and electronic spectra of (benzene-benzyl alcohol)+: Predominance of charge resonance interaction over hydrogen-bonding interaction

Ohashi, K., Izutsu, H., Inokuchi, Y., Hino, K., Nishi, N. & Sekiya, H., May 5 2000, In : Chemical Physics Letters. 321, 5-6, p. 406-410 5 p.

Research output: Contribution to journalArticle

Benzyl Alcohol
Benzene
electronic spectra
vibrational spectra
Hydrogen bonds
1998
19 Citations (Scopus)

Electronic spectra of jet-cooled anthracene dimer: Evidence of two isomers in the electronic ground state

Matsuoka, T., Kosugi, K., Hino, K., Nishiguchi, M., Ohashi, K., Nishi, N. & Sekiya, H., Sep 24 1998, In : Journal of Physical Chemistry A. 102, 39, p. 7598-7602 5 p.

Research output: Contribution to journalArticle

anthracene
Excited states
electronic spectra
Isomers
Dimers
24 Citations (Scopus)

Photodissociation dynamics of (C6H6)3+: Role of the extra benzene molecule weakly bound to the dimer core

Ohashi, K. & Nishi, N., Dec 1 1998, In : Journal of Chemical Physics. 109, 10, p. 3971-3982 12 p.

Research output: Contribution to journalArticle

Photodissociation
Benzene
Dimers
photodissociation
benzene
20 Citations (Scopus)

Photodissociation spectroscopy of (benzene-toluene)+. Charge delocalization in the hetero-dimer ion

Ohashi, K., Nakane, Y., Inokuchi, Y., Nakai, Y. & Nishi, N., Dec 15 1998, In : Chemical Physics. 239, 1-3, p. 429-436 8 p.

Research output: Contribution to journalArticle

Photodissociation
Toluene
Benzene
Dimers
photodissociation
2 Citations (Scopus)

Photodissociation spectrum of cyanobenzene dimer cation. Absence of intermolecular resonance interaction

Ohashi, K., Nishiguchi, M., Inokuchi, Y., Sekiya, H. & Nishi, N., Jan 1 1998, In : Research on Chemical Intermediates. 24, 7, p. 755-764 10 p.

Research output: Contribution to journalArticle

Photodissociation
Dimers
Cations
Chromophores
Gases
1997
21 Citations (Scopus)

Charge delocalization in benzene-naphthalene hetero-dimer cation

Matsumoto, M., Inokuchi, Y., Ohashi, K. & Nishi, N., Jun 19 1997, In : Journal of Physical Chemistry A. 101, 25, p. 4574-4578 5 p.

Research output: Contribution to journalArticle

Benzene
naphthalene
Dimers
Cations
benzene
20 Citations (Scopus)

Electronic structures and photoevaporation dynamics of benzene cluster ions

Nakai, Y., Ohashi, K. & Nishi, N., Jan 23 1997, In : Journal of Physical Chemistry A. 101, 4, p. 472-480 9 p.

Research output: Contribution to journalArticle

Benzene
Electronic structure
benzene
Dimers
Ions
34 Citations (Scopus)

Formation of benzene dimer cations in neat liquid benzene studied by femtosecond transient absorption spectroscopy

Inokuchi, Y., Naitoh, Y., Ohashi, K., Saitow, K. I., Yoshihara, K. & Nishi, N., May 2 1997, In : Chemical Physics Letters. 269, 3-4, p. 298-304 7 p.

Research output: Contribution to journalArticle

Benzene
Absorption spectroscopy
Dimers
Cations
absorption spectroscopy
14 Citations (Scopus)

Infrared photodissociation spectroscopy of benzene trimer ions. Switching of the dimer ion core in vibrationally excited states

Inokuchi, Y., Ohashi, K. & Nishi, N., Nov 7 1997, In : Chemical Physics Letters. 279, 1-2, p. 73-78 6 p.

Research output: Contribution to journalArticle

Photodissociation
trimers
Benzene
Excited states
Dimers
1996
17 Citations (Scopus)

Photodissociation spectroscopy of phenol dimer ion. Lack of resonance interaction between the aromatic rings

Ohashi, K., Inokuchi, Y. & Nishi, N., Jul 19 1996, In : Chemical Physics Letters. 257, 1-2, p. 137-142 6 p.

Research output: Contribution to journalArticle

Photodissociation
Phenol
Dimers
photodissociation
phenols
21 Citations (Scopus)

Pump - Probe photodepletion spectroscopy of (C6H6)+2. Identification of spectrum in the charge resonance band region

Ohashi, K., Inokuchi, Y. & Nishi, N., Dec 6 1996, In : Chemical Physics Letters. 263, 1-2, p. 167-172 6 p.

Research output: Contribution to journalArticle

Isomers
Pumps
Spectroscopy
pumps
Lasers
2 Citations (Scopus)

Spectroscopy and excited-state dynamics of benzene-trimer ion

Ohashi, K., Nakai, Y., Shibata, T. & Nishi, N., Jan 1 1996, In : Surface Review and Letters. 3, 1, p. 601-605 5 p.

Research output: Contribution to journalArticle

trimers
Benzene
Excited states
benzene
fragments
8 Citations (Scopus)

Unimolecular Dissociation Kinetics of Benzene Cluster Ions

Ohashi, K., Adachi, K. & Nishi, N., Jan 1 1996, In : Bulletin of the Chemical Society of Japan. 69, 4, p. 915-924 10 p.

Research output: Contribution to journalArticle

Benzene
Ions
Kinetics
Ionization
Photons
1995
33 Citations (Scopus)

Photodissociation spectrum of naphthalene dimer cation

Inokuchi, Y., Ohashi, K., Matsumoto, M. & Nishi, N., Jan 1 1995, In : Journal of physical chemistry. 99, 11, p. 3416-3418 3 p.

Research output: Contribution to journalArticle

Photodissociation
Naphthalene
naphthalene
Dimers
photodissociation
5 Citations (Scopus)

Photoinduced evaporation of benzene cluster ions

Nakai, Y., Ohashi, K. & Nishi, N., Feb 3 1995, In : Chemical Physics Letters. 233, 1-2, p. 36-40 5 p.

Research output: Contribution to journalArticle

Benzene
Evaporation
Photons
Monomers
benzene