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Abstract
We report rotationally resolved vibrational spectra of the DCL+ molecular ion for ν = 1 ← 0 to ν = 7 ← 6 with a Faraday-L.M.R. spectrometer. The ions were generated in a d.c.-excited discharge of the anomalous type near 2 torr total pressure. A small probe modulation coil allows spatial resolution of the concentration profile along the discharge. Comparisons of such profiles between anomalous and normal discharge conditions are presented. Spectroscopic constants for DCl+ X 2Π3/2 are reported.