Focusing of DCl and HCl dimers by an electrostatic hexapole field: The role of the tunneling motion

Kohei Imura, T. Kasai, H. Ohoyama, R. Naaman

Research output: Contribution to journalArticle

16 Citations (Scopus)


The focusing of HCl and DCl dimers was observed using a 2-m-long electrostatic hexapole field. The results indicate the existence of two types of species. The first is the homodimers, either the H35Cl-H35Cl or the D35Cl-D35Cl, for which the data indicate a fast tunneling motion. The second is the heterodimers, H35Cl-H37Cl or D35Cl-D37Cl, that do not show evidence for significant tunneling motion on the time scale of the experiment. In the case of HCl dimers, even at relatively high fields, only one species could be focused, the heterodimer. The electric dipole moments for both (DCl)2 isotopomers were determined to be 1.5±0.2D, which is the same value as observed for (HCl)2.

Original languageEnglish
Pages (from-to)355-358
Number of pages4
JournalJournal of Chemical Physics
Issue number1
Publication statusPublished - 1999
Externally publishedYes


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this