High-resolution spectroscopy on the Ã1B1 (0, 6, 0) ←X̃1A1(0, 0, 0) transition 
in SiCl2

Meijer, Gerard; Heinze, Johannes; Meerts, W. Leo; Meulen, J.J ter; T Hougen, Jon

doi:10.1016/0022-2852(89)90115-X

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High-resolution spectroscopy on the Ã¹B₁ (0, 6, 0) ←X̃¹A₁(0, 0, 0) transition in SiCl₂

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Citation

Meijer, G., Heinze, J., Meerts, W. L., Meulen, J. t., & T Hougen, J. (1989). High-resolution spectroscopy on the Ã¹B₁ (0, 6, 0) ←X̃¹A₁(0, 0, 0) transition in SiCl₂. Journal of Molecular Spectroscopy, 138(1), 251-263. doi:10.1016/0022-2852(89)90115-X.

Cite as: https://hdl.handle.net/21.11116/0000-000C-3C3A-1

Abstract

High-resolution laser-induced fluorescence spectra of Si³⁵Cl₂ and Si³⁵Cl³⁷Cl have been observed in a molecular beam. A spectral resolution of 8 MHz was obtained on the Ã¹B₁ (0, 6, 0) ←X̃¹A₁(0, 0, 0) transition around 323 nm, which allowed the dense rotational structure of this electronic transition to be completely resolved. The rotational constants in the Ã¹B₁ (0, 6, 0) state reflect the almost 22° opening of the ClSiCl bond angle on going from X̃ to Ã, whereas the Si-Cl bond length decreases slightly.