Ultra-violet spectra of SeBr and TeI

1 January 1971

journal article
research article
Published by Royal Society of Chemistry (RSC) in Transactions of the Faraday Society

Vol. 67, 907-912
https://doi.org/10.1039/tf9716700907

Abstract

An absorption spectrum in the range 200–220 nm, observed during the flash photolysis of Se₂Br₂, is attributed to SeBr. A vibrational analysis gives the following parameters of the states involved: X(²Π_i): T_{e = 0 and 1070+a cm^–1; ω_e= 317 cm^–1, ω_ex_e= 0.7 cm^–1, B: T_e= 47 227 and 47 227+a cm^–1; ω_e= 393 cm^–1, ω_ex_e= 2.0 cm^–1. An absorption spectrum due to TeI in the range 220–250 nm has been recorded in the flash photolysis of TeI₂. The vibrational constants of the various states involved are: X(²Π_i): T_{e = 0; ω_e= 217 cm^–1, ω_ex_e= 0.6 cm^–1. B: T_{e = 41 057 cm^–1; ω_e= 260 cm^–1, ω_ex_e= 1.4 cm^–1. C: T_{e = 43 658 cm^–1; ω_e= 252 cm^–1, ω_ex_e= 0.5 cm^–1.}}}}

Keywords

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