18th Annual Meeting of Molecular Science was held on September 18-21 at Kyoto University. Prof. Matsumoto and Mr. Hayano (M2) gave oral presentations “Effect on the pi electrons on an achiral aromatic molecule on chirality recognition of propylene oxide” and “Study on hydrogen-bonded structures of propargyl alcohol clusters: diversity due to pi electron”, respectively. In addition, Mr. Oyaide, Mr. Furukawa, and Ms. Nishimura gave poster presentation “Development of the optical cavity for observation of gas-phase vibrational polaritons”, “Development of the gas cell for observation of gas-phase vibrational polaritons”, and “Chiral recognition of 2,5,-dimethylpyrrole-propylene oxide clusters by IR spectroscopy”, respectively.

International Congress on Pure and Applied Chemistry (ICPAC) Mongolia 2024 was held on August 28-31 at Holiday Inn Ulaanbaatar, Mongolia. Prof. Matsumoto had an opportunity to give an invited presentation “Chirality Recognition of Propylene Oxide Dimer induced by Hydrogen bond of Achiral Pyrrole”.

International Symposium of JSPS Core-to-Core Program “Elucidation of Solvation Effect on Molecular Recognition” was held on July 29-30 at Tokyo Institute of Technology. Prof. Matsumoto had an opportunity of the oral presentation “Hydrated Structures of the charge-resonance pyrrole dimer cation by IR spectroscopy”.

17th Annual Meeting of Japan Society for Molecular Science was held at Osaka University on September 12-15. Ms. Reza Aulia (M2) presented her poster presentation “Structural analysis of alcohol – alkylsilane dihydrogen-bonded clusters probed by IR cavity ringdown spectroscopy”.

8th Asian Spectroscopy Conference was held at “Atema-Kogen Highland Resort Hotel Bernatio” at Tokamachi, Niigata on September 4-7. Prof. Matsumoto participated this conference as a member of the local organizing committee. In addition, he had an opportunity of the invited oral presentation “Microscopic preference for hetero-chiral propylene oxide dimer induced by H-bond of an achiral pyrrole molecule”.