Infrared Spectrum of NFCl Radicals in Low Temperature Argon Matrices
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Date
1992
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Ohio State University
Abstract
Low temperature argon matrices were prepared by passing $NFCl_{2}$ in argon through a heated stainless steel metering valve and depositing the effluent on a KCl window maintained at 10K. Peaks at 920 and $720 cm^{-1}$ which could not be assigned to $NFCl_{2}$, or to other known species (eg., NF, NCl, $N_{2}$$F_{2}$, $N_{2}$$F_{4}$, CLF, $NCl_{2}$), appeared in the FTIR spectrum of the matrix. In previous $experiments,^{1}$ $NCl_{2}$ radicals had been produced in this manner from $NCl_{3}$, and the assumption was made in these studies that the 920 and $720 cm^{-1}$ peaks were from NFCl. Normal mode calculations, carried out in a reiterative fashion, support this assignment.
Description
$^{1}$. Gilbert, J.V., Hofsetz, B.D., to be published, J. Phys. Chem., 1992.
Author Institution: Department of Chemistry, University of Denver
Author Institution: Department of Chemistry, University of Denver