Jacox, M.
and Thompson, W.
(2007),
Infrared Spectra of CICN<sup>+</sup>, CINC<sup>+</sup>, and BrCN<sup>+</sup> Trapped in Solid Neon, Journal of Chemical Physics, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=841083
(Accessed January 2, 2025)
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Infrared Spectra of CICN+, CINC+, and BrCN+ Trapped in Solid Neon
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Abstract
When a mixture of ClCN or BrCN with a large excess of neon is codeposited at 4.3 K with a beam of neon atoms that have been excited in a microwave discharge, the infrared spectrum of the resulting solid includes prominent absorptions of the uncharged isocyanide, ClNC or BrNC, and of the corresponding cation, ClCN+ or BrCN+. The NC-stretching fundamentals of the isocyanides trapped in solid neon lie close to the positions for their previously reported argon-matrix counterparts. The CN-stretching absorptions of ClCN+ and BrCN+ and the CCl-stretching absorption of ClCN+ appear very close to the gas-phase band centers. Absorptions of two overtones and one combination band of ClCN+ are identified. Reversible photoisomerization of ClCN+ to ClNC+ occurs. The two stretching vibrational fundamentals and several infrared and near infrared absorptions associated with electronic transitions of ClNC+ are observed. Minor infrared peaks are attributed to the vibrational fundamental absorptions of the CX and CX+ species (X = Cl, Br).Citation
Journal of Chemical Physics
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Journals
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Keywords
BrCN+, CBr, CBr+, CINC+, infrared spectrum, neon matrix, photoisomerization
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Created June 27, 2007, Updated February 17, 2017