Emission spectra from solids condensed at very low temperatures from the electrical discharge products of nitrogen-carbon monoxide and nitrogen-acetylene mixtures

Abstract

Two unidentified series of emission bands (sharp and diffuse) between 2900 and 4900Å were observed at 4.2° and 20.4° K. These bands were emitted from the condensed products of microwave discharges in nitrogen-carbon monoxide and nitrogen-acetylene mixtures. The sharp series are characterised by a frequency difference of 2280 cm.^-1 and the diffuse series by a frequency difference of 670 cm.^-1 Isotopic substitution shows at least one carbon atom is present in the emitting species.