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Lifetimes of formaldehyde (1A2) in the diffuse region

Authors
Journal
Journal of Molecular Spectroscopy
0022-2852
Publisher
Elsevier
Publication Date
Volume
60
Identifiers
DOI: 10.1016/0022-2852(76)90119-3

Abstract

Abstract Lifetimes for the first excited singlet state of H 2CO, D 2CO, and HDCO have been measured from linewidths. In the region of 7000–9000 cm −1 of vibrational energy, lifetimes between 2 and 14 psec were observed. These lifetimes increase with decreasing energy and may be smoothly extrapolated to the results below 4000 cm −1. The H 2CO lifetimes are shorter than D 2CO lifetimes but longer than those for HDCO.

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