広島大学大学院先進理工系科学研究科（理学研究科）構造物理化学研究室

Publications

2024

• Study on photodissociation spectra and decay pathways of gas-phase PdCl₃^– and PdCl₂^– anions by electrospray ionization mass spectrometry and MRCI calculation Masahiro Koyama^†, Yuzuru Kurosaki^†*, Satoru Muramatsu, Morihisa Saeki, Yoshiya Inokuchi* (†: Equal contributions) Chem. Phys. Lett., 857, 141736 (7 pages) (2024).
• Conformation and Photodissociation Process of Benzo-15-Crown-5 and Benzo-18-Crown-6 Complexes with Ammonium Ions Investigated by Cold UV and IR Spectroscopy in the Gas Phase Mayuko Kubo, Ryosuke Goda, Satoru Muramatsu, Yoshiya Inokuchi* J. Phys. Chem. A, 128, 7353–7363 (2024).
• Correlation of the Charge Resonance Interaction with Cluster Conformations Probed by Electronic Spectroscopy of Dimer Radical Cations of CO₂ and CS₂ in a Cryogenic Ion Trap Masahiro Koyama, Satoru Muramatsu*, Yasuaki Hirokawa, Jidai Iriguchi, Akihito Matsuyama, Yoshiya Inokuchi* J. Phys. Chem. Lett., 15, 1493-1499 (2024).

2023

• 特許出願 発明の名称：気体分析装置、気体分析方法
  出願番号：特願2023-128776
  出願日：2023年8月7日
  出願人：国立大学法人大阪大学，国立大学法人広島大学
• Collision-Induced Fission of Oblate Gold Superatom in [Au₉(PPh₃)₈]³⁺: Deformation-Mediated Mechanism Satoru Muramatsu*, Yuki Nakahigashi, Tsubasa Omoda, Shinjiro Takano, Tatsuya Tsukuda*, Yoshiya Inokuchi* J. Phys. Chem. Lett. 14, 5641-5647 (2023)Selected as Supplementary Cover
• Electronic Interaction Between Aromatic Chromophores in Dibenzo-Crown Ether Complexes with Alkali Metal Ions Investigated via Cold Gas-Phase Spectroscopy Motoki Kida, Tomoyuki Ujihira, Mayuko Kubo, Satoru Muramatsu, Takayuki Ebata, Yoshiya Inokuchi*J. Phys. Chem. A, 127, 3210–3220 (2023).
• Lanthanide and Actinide Ion Complexes Containing Organic Ligands Investigated by Surface-Enhanced Infrared Absorption Spectroscopy Sakiko Hirata, Ryoji Kusaka, Shogo Meiji, Seita Tamekuni, Kosuke Okudera, Shoken Hamada, Chihiro Sakamoto, Takumi Honda, Kosuke Matsushita, Satoru Muramatsu, Takayuki Ebata, Daisuke Kajiya, Ken-ichi Saitow, Toshiaki Ikeda, Takehiro Hirao, Takeharu Haino, Masayuki Watanabe, Yoshiya Inokuchi* Inorg. Chem., 62, 474–486 (2023) Selected as Supplementary Cover
• Gas-Phase Characterization of Hypervalent Carbon Compounds Bearing 7-6-7-Ring Skeleton: Penta- versus Tetra-Coordinate Isomers Satoru Muramatsu*, Keijiro Ohshimo*, Yuan Shi, Motoki Kida, Rong Shang, Yohsuke Yamamoto, Fuminori Misaizu, Yoshiya Inokuchi* Chem. Eur. J., 29, e202203163 (2023)

2022

• One-Dimensionally Conjugated Carbocyanine Dyes Isolated under Cold Gas-Phase Conditions: Electronic Spectra and Photochemistry Satoru Muramatsu, Takayuki Tokizane, Yoshiya Inokuchi* J. Phys. Chem. A, 126, 8127–8135 (2022). Hiro-o Hamaguchi Festschrift Virtual Special Issue

2021

• 極低温気相分光で紐解く超分子相互作用：赤外分光の例を中心に 村松悟，井口佳哉 ナノ学会会報, 20, 9–13 (2021)
• Conformation of Benzo-12-Crown-4 Complexes with Ammonium Ions Investigated by Cold Gas-Phase Spectroscopy Ryosuke Goda, Saya Kanazawa, Shiori Machida, Satoru Muramatsu, Yoshiya Inokuchi* J. Phys. Chem. A, 125, 10410–10418 (2021). Selected as Supplementary Cover
• 特許出願 発明の名称：赤外分光分析の試料台
  出願番号：特願2021-161781
  出願日：2021年9月30日
  出願人：国立大学法人広島大学，国立研究開発法人日本原子力研究開発機構
• Spherand Complexes with Li⁺ and Na⁺ Ions in the Gas Phase: Encapsulation Structure and Characteristic Unimolecular Dissociation Motoki Kida, Kanako Wada, Satoru Muramatsu, Rong Shang, Yohsuke Yamamoto*, Yoshiya Inokuchi* Phys. Chem. Chem. Phys., 23, 25029–25037 (2021)Selected as 2021 PCCP HOT Articles
  Selected as Back cover
• Gas-Phase UV Spectroscopy of Chemical Intermediates Produced in Solution: Oxidation Reactions of Phenylhydrazines by DDQ Shiori Machida, Motoki Kida, Satoru Muramatsu, Takehiro Hirao, Takeharu Haino, Yoshiya Inokuchi* J. Phys. Chem. A, 125, 6697–6702 (2021).
• Structural Investigation of Photochemical Intermediates in Solution by Cold UV Spectroscopy in the Gas Phase: Photosubstitution of Dicyanobenzenes by Allylsilanes Yuma Kitamura, Satoru Muramatsu, Manabu Abe, Yoshiya Inokuchi* J. Phys. Chem. A, 125, 6238–6245 (2021)Selected as Supplementary Cover
• New aspect of photophysics of 7,7,8,8-tetracyanoquinodimethane and its solvated complexes: intra- vs inter-molecular charge-transfer Satoru Muramatsu, Nobumasa Chaki, Shin-nosuke Kinoshita, Yoshiya Inokuchi, Manabu Abe, Toshifumi Iimori, Takayuki Ebata* RSC Advances, 11, 22381–22389 (2021)
• 極低温イオントラップで拓く気相分子分光学 村松悟 化学と工業, 74, 210-211 (2021)
• Substitution effect on the nonradiative decay and trans → cis photoisomerization route: a guideline to develop efficient cinnamate based sunscreens Shin-nosuke Kinoshita, Yu Harabuchi, Yoshiya Inokuchi, Satoshi Maeda, Masahiro Ehara, Kaoru Yamazaki*, Takayuki Ebata* Phys. Chem. Chem. Phys., 23, 834–845 (2021).Selected as 2020 PCCP HOT Articles
  Selected as Front cover

2020

• 分光学的性質 井口佳哉（分担執筆） 化学便覧基礎編 改訂6版, 日本化学会編, 丸善出版, 2021.
• Conformation of K⁺(Crown Ether) Complexes Revealed by Ion Mobility-Mass Spectrometry and Ultraviolet Spectroscopy Sota Tainaka, Tomoyuki Ujihira, Mayuko Kubo, Motoki Kida, Daisuke Shimoyama, Satoru Muramatsu, Manabu Abe, Takeharu Haino, Takayuki Ebata, Fuminori Misaizu, Keijiro Ohshimo*, Yoshiya Inokuchi* J. Phys. Chem. A, 124, 9980–9990 (2020)Selected for Virtual Issue “Photodissociation: from Fundamental Dynamics and Spectroscopy to Photochemistry in Planetary Atmospheres and in Space”
• Electronic States and Nonradiative Decay of Cold Gas-Phase Cinnamic Acid Derivatives Studied by Laser Spectroscopy with Laser Ablation Technique Yuji Iida, Shin-nosuke Kinoshita, Seiya Kenjo, Satoru Muramatsu, Yoshiya Inokuchi*, Chaoyuan Zhu, and Takayuki Ebata* J. Phys. Chem. A, 124, 5580-5589 (2020).
• Induced Fit of Crown Cavity to Ammonium Ion Guests and Photoinduced Intracavity Reactions: Cold Gas-Phase Spectroscopy of Dibenzo-18-Crown-6 Complexes with NH₄⁺, CH₃NH₃⁺, and CH₃CH₂NH₃⁺ Mayuko Kubo, Motoki Kida, Satoru Muramatsu, and Yoshiya Inokuchi* J. Phys. Chem. A, 124, 3228-3241 (2020).
• 注目の論文　水がケトンを還元する!?―質量分析で捉えた微小水滴中の化学反応― 村松　悟 月刊化学, 75, 65–66 (2020)
• Electronic State and Photophysics of 2-Ethylhexyl-4-Methoxycinnamate as UV-B Sunscreen under Jet-Cooled Condition S. Muramatsu*, S. Nakayama, S. Kinoshita, Y. Onitsuka, H. Kohguchi, Y. Inokuchi, C. Zhu, and T. Ebata* J. Phys. Chem. A, 124, 1272-1278 (2020).

2019

• Geometric and Electronic Structure of Ag⁺(Benzo-18-Crown-6), Ag⁺(Dibenzo-18-Crown-6), and Ag⁺(Dibenzo-15-Crown-5) Complexes Investigated by Cold Gas-Phase Spectroscopy Y. Kitamura, S. Muramatsu, M. Kida, T. Ebata, and Y. Inokuchi* J. Phys. Chem. A, 123, 9185-9192 (2019).
• Gas-Phase Spectroscopy of Metal Ion–Benzo-Crown Ether Complexes Y. Inokuchi In Physical Chemistry of Cold Gas-Phase Functional Molecules and Clusters; T. Ebata and M. Fujii (Eds.); Springer Nature Singapore Pte Ltd., Singapore, 2019.
• Conformation of Alkali Metal Ion-Calix[4]arene Complexes Investigated by IR Spectroscopy in the Gas Phase K. Wada, M. Kida, S. Muramatsu, T. Ebata, and Y. Inokuchi* Phys. Chem. Chem. Phys., 21, 17082-17086 (2019)Selected as PCCP Editor’s Choice
• UV and IR Spectroscopy of Transition Metal–Crown Ether Complexes in the Gas Phase: Mn²⁺(Benzo-15-Crown-5)(H₂O)_0–2 Y. Inokuchi*, T. Ebata, and T. R. Rizzo J. Phys. Chem. A, 123, 6781-6786 (2019)
• Direct Observation of the Doorway ¹nπ* State of Methylcinnamate and Hydrogen-Bonding Effects on the Photochemistry of Cinnamate-Based Sunscreens S. Kinoshita, Y. Inokuchi, Y. Onitsuka, H. Kohguchi, N. Akai, T. Shiraogawa, M. Ehara*, K. Yamazaki*, Y. Harabuchi, S. Maeda, and T. Ebata* Phys. Chem. Chem. Phys., 21, 19755-19763 (2019) Selected as 2019 PCCP HOT Articles
  Selected as Outside back cover
• Laser Spectroscopy and Lifetime Measurements of the S1 State of Tetracyanoquinodimethane (TCNQ) in a Cold Gas-Phase Free-Jet N. Chaki, S. Muramatsu, Y. Iida, S. Kenjo, Y. Inokuchi, T. Iimori*, and T. Ebata* ChemPhysChem, 20, 996-1000 (2019) Selected as Cover Picture and Cover Profile
• Electronic States of Acetic Acid in a Binary Mixture of Acetic Acid and 1-Methylimidazole Depend on the Surrounding Environment N. Yoshimura, O. Takahashi, M. Oura, and Y. Horikawa*J. Phys. Chem. B, 123, 1332-1339 (2019)
• Si 1s-1, 2s-1 and 2p-1 Lifetime Broadening of SiX4(X=F,Cl,Br,CH3) Molecules: SiF4 Anomalous Behaviour Reassessed R. Puettner*, T. Marchenko, R. Guillemin, L. Journel, G. Goldstejn, D. Ceolin, O. Takahashi, K. Ueda, A. Lago, M. N. Piancastelli, and M. Simon Phys. Chem. Chem. Phys., 21, 8827-8836 (2019)

2018

• Laser Spectroscopic Study on Sinapic Acid and its Hydrated Complex in a Cold Gas Phase Molecular Beam S. Kenjo, Y. Iida, N. Chaki, S. Kinoshita, Y. Inokuchi, K. Yamazaki, and T. Ebata* Chem. Phys., 515, 381-386 (2018)
• Pseudorotaxanes in the Gas Phase: Structure and Energetics of Protonated Dibenzylamine-Crown Ether Complexes M. Kida, D. Shimoyama, T. Ikeda, R. Sekiya, T. Haino, T. Ebata, C. Jouvet, and Y. Inokuchi* Phys. Chem. Chem. Phys., 20, 18678-18687 (2018)
• Different Photoisomerization Routes Found in the Structural Isomers of Hydroxy Methylcinnamate S. Kinoshita, Y. Miyazaki, M. Sumida, Y. Onitsuka, H. Kohguchi, Y. Inokuchi, N. Akai, T. Shiraogawa, M. Ehara*, K. Yamazaki*, Y. Harabuchi, S. Maeda, T. Taketsugu, and T. Ebata* (Back Cover) Phys. Chem. Chem. Phys., 20, 17583-17598 (2018)
• Microhydration of Dibenzo-18-Crown-6 Complexes with K+, Rb+, and Cs+ Investigated by Cold UV and IR Spectroscopy in the Gas Phase Y. Inokuchi*, T. Ebata, and T. R. Rizzo J. Phys. Chem. A, 122, 3754-3763 (2018)
• Selective Probing of Potassium Ion in Solution by Intramolecular Excimer Fluorescence of Dibenzo-Crown Ethers M. Kida, M. Kubo, T. Ujihira, T. Ebata, M. Abe, and Y. Inokuchi* (Cover Feature) ChemPhysChem, 19, 1331-1335 (2018)
• Theoretical Double-Core-Hole Spectroscopy of Cytosine Tautomers O. Takahashi* J. Electron Spectrosc. Relat. Phenom., 223, 72-78 (2018).
• XANES Spectra of Forsterite in Crystal, Surface, and Amorphous States O. Takahashi*, Y. Tamenori, T. Suenaga, T. Ikeda-Fukazawa, J. Matsuno, and A. Tsuchiyama AIP Advances, 8, 025107 (10 pages) (2018)
• Site-Selective Bond Scission of Methylbenzoate Following Core Excitation O. Takahashi*, K. Kooser, D. T. Ha, H. Myllynen, J. Laksman, E. Rachlew, and E. Kukk Phys. Chem. Chem. Phys., 20, 9591-9599 (2018)
• Hydrogen Bonds of the Imidazolium-Ring of Ionic Liquids with DMSO Studied by NMR, Soft X-ray Spectroscopy, and SANS T. Takamuku*, T. Tokuda, T. Uchida, K. Sonoda, B. Marekha, A. Idrissi, O. Takahashi, Y. Horikawa, J. Matsumura, T. Tokushima, H. Sakurai, M. Kawano, K. Sadakane, and H. Iwase Phys. Chem. Chem. Phys., 20, 12858-12869 (2018)
• Effect of Amino Groups' Protonation on Carboxyl Group in Aqueous Glycine Observed by O1s X-Ray Emission Spectroscopy Y. Horikawa*, T. Tokushima, O. Takahashi, Y. Harada, A. Hiraya, and S.Shin Phys. Chem. Chem. Phys., 20 (36), 23214-23221 (2018)

2017

• 気相分子分光を基盤とした超分子化学 井口佳哉 化学と工業, 70, 892-893 (2017)
• Electronic Strucure and Conformational Conversion of Calix[4]arene Complexes with Alkali Metal Ions Y. Inokuchi,* K. Hirai, and T. Ebata Phys. Chem. Chem. Phys., 19, 12857-12867 (2017)
• Geometric and Electronic Structures of Dibenzo-15-Crown-5 Complexes with Alkali Metal Ions Studied by UV Photodissociation and UV-UV Hole-Burning Spectroscopy Y. Inokuchi,* M. Kida, and T. Ebata J. Phys. Chem. A, 121, 954-962 (2017)
• UV and IR Spectroscopy of Cryogenically Cooled, Lanthanide-Containing Ions in the Gas Phase Y. Inokuchi,* M. Kaneko, T. Honda, S. Nakashima, T. Ebata, and T. R. Rizzo Inorg. Chem., 56, 277-281 (2017)

2016

• Multi-Step Intersystem Crossing Pathways in Cinnamate-Based UV-B Sunscreens K. Yamazaki, Y. Miyazaki, Y. Harabuchi, T. Taketsugu, S. Maeda, Y. Inokuchi, S.-N. Kinoshita, M. Sumida, Y. Onitsuka, H. Kohguchi, M. Ehara, and T. Ebata J. Phys. Chem. Lett., 7, 4001-4007 (2016)
• Conformation of Alkali Metal Ion-Benzo-12-Crown-4 Complexes Investigated by UV Photodissociation and UV-UV Hole-Burning Spectroscopy Y. Inokuchi,* M. Nakatsuma, M. Kida, and T. Ebata J. Phys. Chem. A, 120, 6394-6401 (2016)
• 学会だより　日本分光学会中国四国支部平成27年度年次講演会『線形・非線形分光による緩和過程研究』 井口佳哉* J. Spectrosc. Soc. Jpn., 65, 75 (2016)
• Laser Spectroscopic Study of Cold Gas Phase Host-Guest Complexes of Crown Ethers T. Ebata* and Y. Inokuchi Chem. Rec., 16, 1034-1053 (2016)
• Cage Effect on Conformational Preference and Photophysics in the Host-Guest Complex of Benzenediols with 18-Crown-6 F. Morishima, R. Kusaka, Y. Inokuchi, T. Haino, and T. Ebata* Phys. Chem. Chem. Phys., 18, 8027-8038 (2016)
• 3原子分子クラスター内でのラジカルイオンの存在形態の研究~赤外光解離分光にもとづいて~ 井口佳哉* J. Spectrosc. Soc. Jpn., 65, 33-41 (2016)

2015

• UV and IR Spectroscopy of Cold H2O+-Benzo-Crown Ether Complexes Y. Inokuchi*, T. Ebata, and T. R. Rizzo J. Phys. Chem. A, 119, 11113-11118 (2015)
• New Insights into Metal Ion-Crown Ether Complexes Revealed by SEIRA Spectroscopy Y. Inokuchi*, T. Ebata, T. Ikeda, T. Haino, T. Kimura, H. Guo, and Y. Furutani New J. Chem., 39, 8673-8680 (2015)
• Ultraviolet Photodissociation Spectroscopy of the Cold K+-Calix[4]arene Complex in the Gas Phase Y. Inokuchi*, K. Soga, K. Hirai, M. Kida, F. Morishima, and T. Ebata J. Phys. Chem. A, 119, 8512-8518 (2015)
• Solvent Effects on the Encapsulation of Divalent Ions by Benzo-18-Crown-6 and Benzo-15-Crown-5 Y. Inokuchi*, T. Ebata, and T. R. Rizzo J. Phys. Chem. A, 119, 8097-8105 (2015)
• UV Photodissociation Spectroscopy of Cryogenically Cooled Gas Phase Host-Guest Complex Ions of Crown Ethers Y. Inokuchi, T. Haino, R. Sekiya, F. Morishima, C. Dedonder, G. Feraud, C. Jouvet*, and T. Ebata* Phys. Chem. Chem. Phys., 17, 25925-25934 (2015)
• IR Photodissociation Spectroscopy of (OCS)n+ and (OCS)n- Cluster Ions: Similarity and Dissimilarity in the Structure of CO2, OCS, and CS2 Cluster Ions Y. Inokuchi* and T. Ebata J. Chem. Phys., 142, 214306 (6 pages) (2015)
• Direct Spectroscopic Evidence of Photoisomerization in para-Methoxy Methylcinnamate Revealed by Low-Temperature Matrix-Isolation FTIR Spectroscopy Y. Miyazaki, Y. Inokuchi, N. Akai, and T. Ebata* J. Phys. Chem. Lett., 6, 1134-1139 (2015)
• 金薄膜上に化学吸着させた金属イオン包接クラウンエーテル錯体の表面増強赤外分光 井口佳哉* 分子研レターズ, 71, 35-36 (2015)
• 学会だより　日本分光学会中国四国支部平成26年度年次講演会『分光学とキラル~その現状と未来~』 井口佳哉* J. Spectrosc. Soc. Jpn., 64, 324 (2015)
• Anomalous Cage Effect in the Excited State Dynamics of Catechol in the 18C6-Catechol Host-Guest Complex Fumiya Morishima, Ryoji Kusaka, Yoshiya Inokuchi, Takeharu Haino and Takayuki Ebata* J. Phys. Chem. B , 119, 2557 (2015)

2014

• Experimental and Theoretical Study on the Excited-State Dynamics of Ortho-, Meta-, and Para-Methoxy Methylcinnamate Y. Miyazaki, K. Yamamoto, J. Aoki, T. Ikeda, Y. Inokuchi, M. Ehara, and T. Ebata* J. Chem. Phys., 141, 244313 (12 pages) (2014)
• Microhydration Effects on the Encapsulation of Potassium Ion by Dibenzo-18-Crown-6 Yoshiya Inokuchi*, Takayuki Ebata, Thomas R. Rizzo, Oleg V. Boyarkin J. Am. Chem. Soc., 136, 1815-1824 (2014)
• Formation of Host-Guest Complexes on Gold Surface Investigated by Surface-Enhanced IR Absorption Spectroscopy Yoshiya Inokuchi*, Takahiro Mizuuchi, Takayuki Ebata, Toshiaki Ikeda, Takeharu Haino, Tetsunari Kimura, Hao Guo, Yuji Furutani Chem. Phys. Lett, 592, 90-95 (2014)
• Development of Ultraviolet-Ultraviolet Hole-burning Spectroscopy for Cold Gas Phase Ions Geraldine Feraud, Claude Dedonder, Christophe Jouvet*, Yoshiya Inokuchi, Takeharu Haino, Ryo Sekiya, Takayuki Ebata* J. Phys. Chem. Lett., 5, 1236-1240 (2014)

2013

• Microhydration Effects on the Intermediates of the SN2 Reaction of Iodide Anion with Methyl Iodide K. Doi, E. Togano, S. S. Xantheas, R. Nakanishi, T. Nagata, T. Ebata, and Y. Inokuchi* Angew. Chem. Int. Ed., 52, 4380-4383 (2013)
• Laser Spectroscopic Study of Cold Host-Guest Complexes of Crown Ethers in the Gas Phase Yoshiya Inokuchi, Ryoji Kusaka, Takayuki Ebata*, Oleg V. Boyarkin and Thomas R. Rizzo* ChemPhysChem, 14, 649-660 (2013)
• Study on Vibrational Relaxation Dynamics of Phenol-Water Complex by Picosecond Time-Resolved IR-UV Pump-Probe Spectroscopy in a Supersonic Molecular Beam Yasunori Miyazaki, Yoshiya Inokuchi, Takayuki Ebata*, Milena Petkovic Chem. Phys, 419, 205-211 (2013)
• Vibrational Spectroscopy of Picolinamide and Water: From Dimers to Condensed Phase Vladimir Jovanovic?, Yasunori Miyazaki, Takayuki Ebata, and Milena Petkovic? J. Phys. Chem. A, 117, 6474-6482 (2013)
• Structure and Hydrogen-bonding Ability of Estrogens Studied in the Gas Phase Fumiya Morishima, Yoshiya Inokuchi, and Takayuki Ebata* J. Phys. Chem. A, 117, 13543-13555 (2013)

2012

• 包接錯体のレーザー分光--ホスト・ゲスト錯体の包接機構の分子レベルでの解明を目指して-- 江幡 孝之, 井口 佳哉 Molecular Science, 6, A0051 (2012)
• Nonradiative Decay Dynamics of Methyl-4-Hydroxycinnamate and its Hydrated Complex Revealed by Picosecond Pump-Probe Spectroscopy Daiki Shimada,Ryoji Kusaka, Yoshiya Inokuchi, Masahiro Ehara and Takayuki Ebata* Phys. Chem. Chem. Phys., 14, 8999-9005 (2012)
• Laser Spectroscopic Study of β-Estradiol and Its Monohydrated Clusters in a Supersonic Jet Fumiya Morishima, Yoshiya Inokuchi, and Takayuki Ebata* J. Phys. Chem. A, 116, 8201-8208 (2012)
• Anionic Polymerization Mechanism of Acrylonitrile Trimer Anions: Key Branching Point between Cyclization and Chain Propagation Keijiro Oshimo*, Yoshiya Inokuchi, Takayuki Ebata, Koichi Ohno J. Phys. Chem. A, 116, 7937-7942 (2012)
• UV and IR Spectroscopy of Cold 1,2-Dimethoxybenzene Complexes with Alkali Metal Ions Y. Inokuchi*, O. Boyarkin, T. Ebata and T. Rizzo Phys. Chem. Chem. Phys., 14, 4457-4462 (2012)
• Ion Selectivity of Crown Ethers Investigated by UV and IR Spectroscopy in a Cold Ion Trap Yoshiya Inokuchi*, Oleg V. Boyarkin, Ryoji Kusaka, Takeharu Haino, Takayuki Ebata, and Thomas R. Rizzo J. Phys. Chem. A, 116, 4057-4068 (2012)
• Structures of (3n-crown-n)-Phenol (n=4, 5, 6, 8) Host-Guest Complexes: Formation of a Uniquely Stable Complex for n=6 via Collective Intrmolecular Interaction Ryoji Kusaka, Yoshiya Inokuchi, Takeharu Haino and Takayuki Ebata* J. Phys. Chem. Lett., 3 (10), 1414-1420 (2012)
• Vibrational Energy Relaxation of Benzene Dimer and Trimer in the CH Stretching Region Studied by Picosecond Time-Resolved IR-UV Pump-Probe Spectroscopy R. Kusaka, Y. Inokuchi, and T. Ebata* J. Chem. Phys., 136, 044304 (2012)

2011

• Laser Spectroscopic and Theoretical Studies of Encapsulation Complexes of Calix[4]arene S. Kaneko, Y. Inokuchi, T. Ebata*, E. Apra, S. S. Xantheas J. Phys. Chem. A, 115, 10846-10853 (2011)
• UV and IR spectroscopic Studies of Cold Alkali Metal Ion-Crown Ether Complexes in the Gas Phase Y. Inokuchi*, O. V. Boyarkin, R. Kusaka, T. Haino, T. Ebata, T. Rizzo* J. Am. Chem. Soc., 133, 12256-12263 (2011)
• Structure of Host-Guest Complexes between Dibenzo-18-Crown-6 and Water, Ammonia, Methanol, and Acetylene: Evidence of Molecular Recognition on the Complexation R. Kusaka, S. Kokubu, Y. Inokuchi, T. Haino, T. Ebata* Phys. Chem. Chem. Phys., 13, 6827-6836 (2011)

2010

• Formation of Semi-Covalent Bond in [(N2O)nH2O]+ (n = 2-7) Cluster Ions Studied by IR Spectroscopy R. Matsushima, T. Ebata, Y. Inokuchi* J. Phys. Chem. A, 114, 11037-11042 (2010)
• Remarkable Site Difference of Vibrational Energy Relaxation in Benzene Dimer: Picosecond Time-Resolved IR-UV Pump-Probe Spectroscopy R. Kusaka, T. Ebata* Angew. Chem. Int. Ed., 49, 6989-6992 (2010)
• Encapsulation of Arn Complexes by Calix[4]arene: Endo- vs. Exo-Complexes T. Ebata*, N. Hontama, Y. Inokuchi, T. Haino, E. Apr, S. S. Xantheas Phys. Chem. Chem. Phys., 12, 4569-4579 (2010)
• Dynamics of the Vibrationally Excited Molecules and Clusters Studied by IR-UV and UV-IR Double Resonance Spectroscopy Takayuki Ebata, Advances in Multi-Photon Processes and Spectroscopy - Vol. 19, 2010, edited by S. H. Lin, A. A. Villaeys, and Y. Fujimura, World Scientific, ISBN: 978-981-4293-58-7
• Structures and Encapsulation Motifs of Functional Molecules Probed by Laser Spectroscopic and Theoretical Methods R. Kusaka, Y. Inokuchi, S.S. Xantheas, T. Ebata Sensors, 10(4), 3519-3548 (2010)
• Laser Spectroscopic Study on (Dibenzo-24-Crown-8-Ether)-Water and -Methanol Complexes in Supersonic Jets S. Kokubu, R. Kusaka, Y. Inokuchi, T. Haino, T. Ebata Phys. Chem. Chem. Phys., 12, 3559-3565 (2010)
• Excited-State Dynamics of the 2-Hydroxypyridine-Ammonia Complex M. Esboui, C. Jouvet, C. Dedonder-Lardeux, T. Ebata J. Phys. Chem. A, 114, 3060-3066 (2010)
• Structure of the Calix[4]arene-(H2O) Cluster: World's Smallest Cup of Water N. Hontama, Y. Inokuchi, T. Ebata J. Phys. Chem. A, 114, 2967-2972 (2010)

2009

• Water-mediated conformer optimization in benzo-18-crown-6-ether/water system R. Kusaka, Y. Inokuchi, T. Ebata Phys. Chem. Chem. Phys., 11, 9132-9140 (2009)
• Structural evolution of the [(CO2)n(H2O)]- cluster anions: Quantifying the effect of hydration on the excess charge accommodation motif A. Muraoka, Y. Inokuchi, N. I. Hammer, J. Shin, M.A. Johnson, T. Nagata J. Phys. Chem. A, 113, 8942-8948 (2009)
• Ion core structure in (N2O)n+ (n=2-8) studied by infrared photodissociation spectroscopy Y. Inokuchi, R. Matsushima, Y. Kobayashi, T. Ebata J. Chem. Phys., 131, 044325 (2009)
• Structures of water-CO2 and methanol-CO2 cluster ions: [H2O(CO2)n ]+ and [CH3OH(CO2)n ]+ (n = 1-7) Y. Inokuchi, Y. kobayashi, A. Muraoka, T. Nagata, T. Ebata J. Chem. Phys., 130, 154304-1-154304-12, (2009)
• Study on the structure and vibrational dynamics of functional molecules and molecular clusters by double resonance vibrational spectroscopy T. Ebata Bull. Chem. Soc. Jpn., 82, 127-151 (2009)

2008

• Relaxation dynamics of NH stretching vibrations of 2-aminopyridine and its dimer in a supersonic beam Y. Yamada, N. Mikami and T. Ebata Proc. Nat. Acad. Sci., 105, 12690-12695 (2008)
• Structure of Hydrated Clusters of Dibenzo-18-Crown-6-Ether in a Supersonic Jet -Encapsulation of Water Molecules in the Crown Cavity- R. Kusaka, Y. Inokuchi, and T. Ebata Phys. Chem. Chem. Phys., 10, 6238-6244 (2008)
• An IR Study of (CO2)n+ (n = 3-8) Cluster Ions in the 1000-3800 cm-1 Region Y. Inokuchi, A. Muraoka, T. Nagata, and T. Ebata J. Chem. Phys., 129, 044308-1-044308-9 (2008)
• Ion Core Structure in (CS2)n+ and (CS2)n- (n = 3-10) Studied by Infrared Photodissociation Spectroscopy Y. Kobayashi, Y. Inokuchi, and T. Ebata J. Chem. Phys., 128, 164319-1-141101-6 (2008)
• Structures of [(CO2)n(CH3OH)m]- (n = 1-4, m = 1, 2) Cluster Anions A. Muraoka, Y. Inokuchi, and T. Nagata J. Phys. Chem. A, 112, 4906-4913 (2008)

2007

• Laser spectroscopic study on the conformations and the hydrated structures of benzo-18-crown-6-ether and dibenzo-18-crown-6-ether in supersonic jets R. Kusaka, Y. Inokuchi, and T. Ebata Phys. Chem. Chem. Phys., 9, 4452-4459 (2007)
• Infrared photodissociation spectroscopy of Al+(CH3OH)n (n = 1-4) A. Furuya, M. Tsuruta, F. Misaizu, K. Ohno, Y. Inokuchi, K. Judai, and N. Nishi J. Phys. Chem. A, 111, 5995 (2007)
• Electronic spectra of jet-cooled calix[4]arene and its van der Waals clusters -Encapsulation of a neutral atom in a molecular bowl- T. Ebata, Y. Hodono, T. Ito, and Y. Inokuchi J. Chem. Phys. (Communications), 126, 141101 (2007)
• Conformation of L-tyrosine studied by fluorescence-detected UV-UV and IR-UV double-resonance spectroscopy Y. Inokuchi, Y. Kobayashi, T. Ito, and T. Ebata J. Phys. Chem. A, 111, 3209 (2007)
• Picosecond IR-UV pump-probe spectroscopic study on the vibrational energy flow in isolated molecules and clusters Y. Yamada, Y. Katsumoto, and T. Ebata Phys. Chem. Chem. Phys., 9, 1170-1185 (2007)

2006

• Picosecond time-resolved study on the intramolecular vibrational energy redistribution of NH stretching vibration of jet-cooled aniline and its isotopomer Y. Yamada, J. Okano, N. Mikami, and T. Ebata Chem. Phys. Lett., 432, 421-425 (2006)
• Hydration profiles of aromatic amino acids: conformations and vibrations of L-phenylalanine-(H2O)n clusters T. Ebata, T. Hashimoto, T. Ito, Y. Inokuchi, F. Altunsu, B. Brutschy, and P. Tarakeshwar Phys. Chem. Chem. Phys., 8, 4783-4791 (2006)
• Picosecond IR-UV pump-probe study on the vibrational relaxation of phenol-ethylenhydrogen-bonded cluster: Difference of relaxation route/rate between the donor and the acceptor site excitations Y. Yamada, M. Kayano, N. Mikami, and T. Ebata J. Phys. Chem. A, 110, 6250-6255 (2006)
• Anomalous conformer dependent S1 lifetime of L-Phenylalanine T. Hashimoto, Y. Takasu, Y.Yamada, and T. Ebata Chem. Phys. Lett., 421, 227-231 (2006)
• IR laser manipulation of cis-trans isomerization of 2-naphthol and its hydrogen-bonded clusters K. Kouyama, M. Miyazaki, N. Mikami, and T. Ebata J. Chem. Phys., 124, 054315 (2006)
• Excited state hydrogen transfer in fluorophenol ammonia clusters studied by two-color REMPI spectroscopy N. Tsuji, S. Ishiuchi, M. Sakai, M. Fujii, T. Ebata, C. Jouvet, C.Dedonder-Lardeux Phys. Chem. Chem. Phys., 8, 114-121 (2006)
• Infrared photodissociation spectroscopy and solvation structures of Cu+(H2O)n (n = 1-4) T. Iino, K. Ohashi, Y. Mune, Y. Inokuchi, K. Judai, N. Nishi, and H. Sekiya Chem. Phys. Lett., 427, 24-28 (2006)
• Infrared photodissociation spectroscopy of [Al(NH3)n]+ (n = 1-5): solvation structures and insertion reactions of Al+ into NH3 Y. Mune, K. Ohashi, T. Iino, Y. Inokuchi, K. Judai, N. Nishi, and H. Sekiya Chem. Phys. Lett., 419, 201-206 (2006)

2005

• Picosecond IR-UV pump-probe spectroscopic study on the intramolecular vibrational energy redistribution of NH2 and CH stretching vibrations of jet-cooled aniline Y. Yamada, J. Okanao. N. Mikamia and T. Ebata J. Chem. Phys., 123, 124316-124324(2005)
• Infrared and ultraviolet laser spectroscopy of jet-cooled substituted salicylic acids ;substitution effects on the excited state intramolecular proton transfer in salicylic acid E. A. Abou EL-Nasr, A. Fujii, T. Ebata and N. Mikami Mol. Phys., 103, 1561-1572 (2005)
• Laser spectroscopic investigation of salicylic acids hydrogen bonded with water in supersonic jets:Microsolvation effects for excited state proton dislocation E. A. Abou EL-Nasr, A. Fujii, T. Yahagi, T. Ebata and N. Mikami J. Phys. Chem. A, 109, 2498-2504 (2005)
• Infrared and ab initio studies on 1,2,4,5-tetrafluorobenzene clusters with methanol and 2,2,2-trifluoroethanol : Presence and absence of an aromatic C-H -- O hydrogen bond V. Venkatesan, A. Fujii, T. Ebata, and N. Mikami J. Phys. Chem. A, 109, 915-221 (2005)
• Structures of [(CO2)n(H2O)m]- (n = 1-4, m = 1, 2) cluster anions. I. Infrared photodissociation spectroscopy A. Muraoka, Y. Inokuchi, N. Nishi, and T. Nagata J. Chem. Phys., 122, 094303 (2005)

2004

• A direct evidence for an aromatic C-H---O hydrogen bond by fluorescence-detected infrared spectroscopy V. Venkatesan, A. Fujii, T. Ebata and N. Mikami Chem. Phys. Lett., 394, 45-48 (2004)
• Picosecond IR-UV pump-probe spectroscopic study on the dynamics of vibrational relaxation of jet-cooled phenol I -IVR of the OH and CH stretching vibrations of bare phenol- Y. Yamada, T. Ebata, M. Kayano, and N. Mikami J. Chem. Phys., 120, 7400-7409 (2004)
• Picosecond IR-UV pump-probe spectroscopic study on the dynamics of vibrational relaxation of jet-cooled phenol II - IVR of the OH stretching vibration of hydrogen-bonded clusters M. Kayano, T. Ebata, Y. Yamada, and N. Mikami J. Chem. Phys., 120, 7410-7417 (2004)
• Infrared spectroscopic evidence for protonated water clusters forming nanoscale cages M. Miyazaki, A. Fujii, T. Ebata and N. Mikami Science, 304, 1134-1137 (2004)
• Hydrogen transfer in excited pyrrole-ammonia clusters O. David, C. Dedonder-Lardeux, C. Jouvet, H. Kang, S. Martrenchard,T. Ebata and A. L. Sobolewski J. Chem. Phys., 120, 10101-10110 (2004)
• Real time detection of doorway states in the intramolecularvibrational energy redistribution of the OH/OD stretching vibration of phenol Y. Yamada, N. Mikami and T. Ebata J. Chem. Phys., 121, 11530-11534 (2004)
• Infrared spectroscopy of size-selected benzene-water cluster cations [C6H6-(H2O)n]+ (n = 1-23) :Hydrogen bond network evolution and microscopic hydrophobicity M. Miyazaki, A. Fujii, T. Ebata and N. Mikami J. Phys. Chem. A, 108, 10656-10660(2004)
• Fluorescence, REMPI, hole-burning, and FDIR spectroscopy of para-cyanophenol water 1 complex N. Biswas, S. Wategaonkar, T. Watanabe, T. Ebata and N. Mikami Chem. Phys. Lett., 394, 61-67 (2004)
• Electronic spectroscopy of benzene-water cluster cations, [C6H6-(H2O)n]+ (n = 1-4) : Spectroscopic evidence for phenyl radical formation through size-dependent intracluster proton transfer reactions M. Miyazaki, A. Fujii, T. Ebata and N. Mikami Chem. Phys. Lett., 399, 412-416 (2004)
• A molecular cluster study on activated CH/π; interactions :Infrared spectroscopy of aromatic molecule -acetylene clusters A. Fujii, S. Morita,M. Miyazaki, T. Ebata, and N. Mikami J. Phys. Chem. A, 108, 2652-2658 (2004)
• Structures of [Mg-(H2O)1,2]+ and [Al-(H2O)1,2]+ ions studied by infrared photodissociation spectroscopy: Evidence of [HO-Al-H]+ ion core structure in [Al-(H2O)2]+ Y. Inokuchi, K. Ohshimo, F. Misaizu, and N. Nishi Chem. Phys. Lett., 390, 140-144 (2004)
• Infrared photodissociation spectroscopy of [Mg-(H2O)1-4]+ and [Mg-(H2O)1-4-Ar]+ Y. Inokuchi, K. Ohshimo, F. Misaizu, and N. Nishi J. Phys. Chem. A, 108, 5034-5040 (2004)
• Infrared photodissociation spectra and solvation structures of Mg+(CH3OH)n (n = 1-4) H. Machinaga, K. Ohashi, Y. Inokuchi, N. Nishi, and H. Sekiya Chem. Phys. Lett., 391, 85-90 (2004)
• Infrared photodissociation spectroscopy of Mg+(NH3)n (n = 3-6): Direct coordination or solvation through hydrogen bonding K. Ohashi, K. Terabaru, Y. Inokuchi, Y. Mune, H. Machinaga, N. Nishi, and H. Sekiya Chem. Phys. Lett., 393, 264-270 (2004)
• Ultrafast excited-state dynamics in photochromic N-salicylideneaniline studied by femtosecond time-resolved REMPI spectroscopy C. Okabe, T. Nakabayashi, Y. Inokuchi, N. Nishi, and H. Sekiya J. Chem. Phys., 121, 9436-9442 (2004)
• Electronic spectra of jet-cooled 3-methyl-7-azaindole dimer. Symmetry of the lowest excited electronic state and double-proton transfer A. Hara, Y. Komoto, K. Sakota, R. Miyoshi, Y. Inokuchi, K. Ohashi, K. Kubo, E. Yamamoto, A. Mori, N. Nishi, and H. Sekiya J. Phys. Chem. A, 108, 10789-10793 (2004)

2003

• Infrared spectroscopy of hydrated benzene cluster cations, [C6H6-(H2O)n]+ (n = 1-6):Structural changes upon photoionization and proton transfer reactions M. Miyazaki, A. Fujii, T. Ebata, and N. Mikami Phys. Chem. Chem. Phys., 5, 1137-1148 (2003)
• Substitution effects on the excited state intramolecular proton transfer of salicylic acid : An infrared spectroscopic study on the OH stretching vibrations of jet-cooled 5-methoxysalicylic acid E. A. El- HakamAbou El-Nasr, A. Fujii, T. Ebata, and N. Mikami Chem. Phys. Lett., 376, 788-793 (2003)
• IR induced cis-trans isomerization of 2-naphthol-Catalytic role of hydrogen-bond the photochemical isomerization Takayuki Ebata, KyoukoKouyama, and NaohikoMikami J. Chem. Phys., 119, 2947-2950 (2003)
• NH stretching vibrations of jet-cooled aniline and its derivatives in the neutral and cationic states M. Honda, A. Fujii, E. Fujimaki, T. Ebata, and N. Mikami J. Phys. Chem. A, 107, 3678-3686 (2003)