Infrared spectroscopy of H{sub 2}S and SH in rare-gas matrixes
Journal Article
·
· Journal of Physical Chemistry A: Molecules, Spectroscopy, Kinetics, Environment, amp General Theory
- Univ. of Helsinki (Finland). Lab. of Physical Chemistry
Infrared (IR) spectra of hydrogen sulfide (H{sub 2}S), some of its complexes, and their photolysis products are studied in rare-gas matrixes (Ar, Kr and Xe) at 7.5 K. In all of these matrixes, H{sub 2}S is found to undergo hindered rotation. The vibration-rotation structures of monomeric H{sub 2}S are observed at 2651-2651, 2640-2600, and 2625-2580 cm{sup {minus}1} in Ar, Kr, and Xe matrixes, respectively. Furthermore, the H{sub 2}S dimer and the H{sub 2}S{hor_ellipsis}H{sub 2}O complex are observed in various matrixes. Upon UV-induced decomposition of H{sub 2}S, IR absorptions of SH radical appear at 2607 cm{sup {minus}1} (Ar) and 2594 cm{sup {minus}1} (Kr). The SH radical is also observed to be complexed with H{sub 2}S (2563, 2533, and 2550 cm{sup {minus}1} in Ar, Kr, and Xe, respectively) and water (2556 cm{sup {minus}1} in Kr).
- OSTI ID:
- 332706
- Journal Information:
- Journal of Physical Chemistry A: Molecules, Spectroscopy, Kinetics, Environment, amp General Theory, Journal Name: Journal of Physical Chemistry A: Molecules, Spectroscopy, Kinetics, Environment, amp General Theory Journal Issue: 6 Vol. 103; ISSN 1089-5639; ISSN JPCAFH
- Country of Publication:
- United States
- Language:
- English
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