High-resolution spectroscopy on the B2Σ+,ν' = 0→X2Π, ν″ =1 transition in SiCl

Meijer, Gerard; Jansen, Bob; Meulen, J.J. Ter; Dymanus, A.

doi:10.1016/0009-2614(87)80510-9

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High-resolution spectroscopy on the B²Σ⁺,ν' = 0→X²Π, ν″ =1 transition in SiCl

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Meijer, G., Jansen, B., Meulen, J. T., & Dymanus, A. (1987). High-resolution spectroscopy on the B²Σ⁺,ν' = 0→X²Π, ν″ =1 transition in SiCl. Chemical Physics Letters, 136(6), 519-526. doi:10.1016/0009-2614(87)80510-9.

Cite as: https://hdl.handle.net/21.11116/0000-000C-226A-7

Abstract

High-resolution laser-induced fluorescence spectra of²⁸Si³⁵Cl and ²⁸Si³⁷Cl have been observed in a molecular beam. Accurate constants describing the rotational structure in the X ²Π, ν″ = 1 as well as in the electronically excited B ²Σ⁺, ν' = 0 state are given. An inverted fine structure was found in the excited state with a spin-splitting constant γ = −31.15±0.19 MHz for Si³⁵Cl and γ = −30.62 ±0.61 MHz for Si³⁷Cl.