Stepwise internal energy change of protonated methanol clusters by using the inert gas tagging

Takuto Shimamori, Jer Lai Kuo, Asuka Fujii

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Structural isomer population of a hydrogen-bonded cluster generally depends on temperature. Therefore, determination of an isomer population profile in a wide temperature range is important to understand the nature of hydrogen bond networks of the cluster. To explore an isomer population profile, stepwise changes of internal vibrational energy of a protonated hydrogen-bonded cluster are performed by inert gas tagging. We observe infrared spectra of the protonated methanol pentamer with various tag species. The bare protonated methanol pentamer practically has only two possible isomer types. With the tagging, the relative population of the two isomer types changes according to the binding energy with the tag species. The observed relative population follows its theoretically predicted temperature dependence.

Original languageEnglish
Pages (from-to)9203-9208
Number of pages6
JournalJournal of Physical Chemistry A
Volume120
Issue number46
DOIs
Publication statusPublished - 2016 Jan 1

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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