期刊
CHEMICAL PHYSICS LETTERS
卷 501, 期 1-3, 页码 6-10出版社
ELSEVIER
DOI: 10.1016/j.cplett.2010.10.031
关键词
-
资金
- National Science Council of the Republic of China [NSC-98-2113-M-001-023-MY3]
We have applied the mass-analyzed threshold ionization spectroscopic technique to record the cation spectra of deuterium substituted indazole and benzimidazole. The deuterium substitution causes red shifts in the ionization energies of these aza-aromatic bicyclic molecules by only a few tens wavenumbers. Comparing these data with those of deuterated aniline and indole suggests that the H/D exchange mainly takes place on the NH or CH sites of the five-membered ring. (C) 2010 Elsevier B. V. All rights reserved.
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