Generation of transient species by laser induced pyrolysis. The high resolution fourier transform infrared spectrum of NCN

D. McNaughton, G. F. Metha, R. Tay

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Abstract

An experimental system has been developed for obtaining high resolution FTIR absorption spectra of short lived species and radicals generated by the technique of infrared laser powered pyrolysis. The high resolution spectrum of the free radical NCN generated by infrared laser powered pyrolysis has been recorded at a resolution of 0.01 cm-1. Analysis of the 301 fundamental and 211301 hot band of the 3Σg- ground electronic state has resulted in the following parameters for NCN: B0 = 0.3972469(45) cm-1, D0 = 1.71(19) × 10-7 cm-1, α3 = 4.3 × 10-3 cm-1, α2 = -5.544 × 10-3 cm-1, q2 = 1.094 × 10-3 cm-1.

Original languageEnglish
Pages (from-to)107-117
Number of pages11
JournalChemical Physics
Volume198
Issue number1-2
DOIs
Publication statusPublished - 1 Sep 1995

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