Adsorption of small molecules with the hydroxyl group on sodium halide cluster ions

Mamoru Tsuruta, Ari Furuya, Koichi Ohno, Masami Lintuluoto, Fuminori Misaizu

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


We have investigated adsorption of molecules with hydroxyl group, ROH, on sodium halide cluster ions, NanXn-1(X = F and I, n = 10-17) by mass spectrometry and by theoretical calculations. From analysis of the cluster ion intensities, the adsorption of one water molecule (R = H) is most efficient for Na13X12+ whose structure has a NaX defect from a 3 × 3 × 3 cubic structure of n = 14. This result suggests that the defect has an important role in the adsorption reaction. However, it is also found that the reactivity diminishes with increasing bulk size of the R group from H to CH3, (CH 3)2CH, and (CH3)3C. These results imply that the adsorption reactivity is dominated by steric hindrance; the smaller molecules are adsorbed inside the basket structures of Na 13X12+. Reactivity dependence on the basket size is also discussed by comparing the results of NanF n-1+ and NanIn-1+.

Original languageEnglish
Pages (from-to)1432-1436
Number of pages5
JournalJournal of Physical Chemistry A
Issue number3
Publication statusPublished - 2010 Mar 1

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry


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