The Fourier Transform Infrared Spectrum of PN

✍ Scribed by I.K. Ahmad; P.A. Hamilton

• Publisher: Elsevier Science
• Year: 1995
• Tongue: English
• Weight: 290 KB
• Volume: 169
• Category: Article
• ISSN: 0022-2852
• DOI: 10.1006/jmsp.1995.1022

✦ Synopsis

The infrared absorption spectrum of the PN molecule has been recorded for the first time using an FTIR spectrometer. A flowing discharge of (\mathrm{PCl}{3}) and (\mathrm{N}{2}) was used to produce short-lived (\mathrm{PN}) molecules at room temperature in a long-path cell. Spectra of the fundamental transition were recorded at a nominal resolution of (0.02 \mathrm{~cm}^{-1}) and calibrated against accurately known water vapor lines present in the background to give an absolute and relative accuracy on the order of (0.0004 \mathrm{~cm}^{-1}). The line positions measured in this work were analyzed in terms of effective band constants and combined with previous high-temperature microwave and infrared data to produce accurate spectroscopic parameters for the ground state (X^{1} \Sigma^{+}). (c) 1995 Academic Press. Inc