MICROWAVE-SPECTRUM AND STRUCTURE OF NITRYL CHLORIDE

The microwave spectra of 15N isotopic species of nitryl chloride, 15NO235Cl and 15NO237Cl, have been assigned between 8.5 and 32 GHz, and following rotational constants have been obtained: A=1329SMHz, B=5156.83MHz, C=3709.76MHz for 15NO235Cl A=13299 MHZ, B=5001.2 MHZ, C=3628.6 MHz for 15NO237Cl The microwave spectra of the normal species and the 37CI species have already been measured by Pilgueira et al. (1975). An analysis of both the rotational constants obtained in this study and the constants obtained by Filgueira et al. has given the following bond lengths and bond angle as the ro (partial ro) structural parameters of nitryl chloride. The nuclear quadrupole coupling constants in the N-Cl bond axial system of 15NO235Cl are Xaa= -94.8 MHz and ≃= -0.108. © 1979, The Chemical Society of Japan. All rights reserved.