Absorption spectrum of the carbon tetrachloride molecular cation in noble-gas matrices

Abstract
Carbon tetrachloride diluted in argon, krypton or xenon and subjected to vacuum-ultraviolet radiation during and after condensation gave strong photosensitive absorptions at 425, 430 and 455 nm, respectively, which are assigned to CCl4 +. This study suggests that absorptions in this region following radiolysis of CCl4 in hydrocarbon glasses are probably due to CCl4 + as well and that structural relaxation follows ionization of CCl4 in the solid phase.

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