Ultraviolet absorption spectrum of cyclic CS2 in solid Ar

Wen Jui Lo*, Yuan-Pern Lee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Linear CS2 dispersed in solid Ar was irradiated with an excimer laser at 193 nm to form cyc-CS2 of which infrared (IR) identification and theoretical calculations were reported previously. We recorded an ultraviolet (UV) absorption spectrum with two progressions (330-380 nm) that correlate well with variations in intensities of IR absorption of cyc-CS2 upon photolysis of linear CS2 at various stages; hence we assign it to electronic transitions of cyc-CS2. Based on theoretical calculations and vibronic symmetry, we tentatively assign progression A to transition 21B2←X1A1 and progression B to 21B1←X1A1 of cyc-CS2.

Original languageEnglish
Pages (from-to)71-75
Number of pages5
JournalChemical Physics Letters
Volume336
Issue number1-2
DOIs
StatePublished - 9 Mar 2001

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