The band systems of cadmium fluoride

Abstract

Two emission band systems attributed to CdF are described and analysed. One, in the orange region, is probably due to a ²Π→ ²Σ transition, and the other, in the yellow-green, to ²Σ → ²Σ. The vibrational analyses suggest that the two systems have a common lower state, ²Σ, which is presumably the ground state. The origins of the two systems are roughly 16558 and 18871 cm^-1. respectively, and the vibrational coefficients ω_e and x_eω_e are of the orders 694.3 and 4.96 for the lower ²∑ state, 704.4 and 5.74 for the ²Π state, and 672.4 and 5.14 for the excited ²Σ state. The heats and products of dissociation and the electronic structures of the three states of CdF are discussed.