Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9341
Title: Near-infrared laser spectroscopy of tis : the b1Π–X3Δ transition
Authors: Cheung, AS
Ran, Q
Tam, WS
Mok, DK 
Yeung, PM
Issue Date: 2000
Source: Journal of molecular spectroscopy, 2000, v. 203, no. 1, p. 96-104 How to cite?
Journal: Journal of molecular spectroscopy 
Abstract: Laser-induced fluorescence spectrum of TiS in the 769–863 nm region has been recorded and analyzed. The TiS molecule was produced using the technique of laser vaporization/reaction with supersonic cooling. Twenty-one weak subbands have been assigned as being due to b1Π–X3Δ, B3Π0–X3Δ1, and C3Δ–X3Δ transitions. Strong evidence shows that the b1Π state is responsible for perturbing the v = 0, 1, and 2 levels of the C3Δ1 subband. The molecular constants of the b1Π state have been determined as follows: Te = 10 589.47 cm−1, ωe = 542.14 cm−1, ωexe = 3.16 cm−1, Be = 0.19568 cm−1, and αe = 0.00085 cm−1. The spin–orbit interaction between the b1Π (v = 2 and 3) and C3Δ (v = 1 and 2) levels is discussed in terms of configuration interaction occurring between the b1Π from the 11ς1 5π1 configuration and the 1Π from the 5π1 1δ1 configuration, and the C3Δ state from 12ς1 1δ1 configuration.
URI: http://hdl.handle.net/10397/9341
ISSN: 0022-2852
DOI: 10.1006/jmsp.2000.8161
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