Abstract
High-resolution vacuum ultraviolet absorption spectra of D13CN and DC15N are photographed, especially for comparison with the so-called β–X system, observed previously for DCN but not for HCN. Isotopic shifts establish the absolute vibrational numbering for this system, yielding its assignment to the [Formula: see text] transition. The measured bands between 53 100 and 65 200 cm−1 are thereby accommodated by a single electronic transition as predicted by ab initio theory. Constants of all three Ã-state vibrations of HCN and each DCN are determined for the first time.
Publisher
Canadian Science Publishing
Subject
General Physics and Astronomy
Cited by
27 articles.
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