Infrared spectroscopy and photochemistry of NCCN+ and CNCN+ trapped in solid neon

Jacox, Marilyn E.; Thompson, Warren E.
February 2007
Journal of Chemical Physics;2/7/2007, Vol. 126 Issue 5, p054308
Academic Journal
When a Ne:NCCN sample is codeposited at 4.3 K with neon atoms that have been excited in a microwave discharge, the infrared and near infrared spectra of the resulting deposit include a prominent peak at 1799.5 cm-1, previously assigned to ν3 of NCCN+, and several new absorptions at higher frequencies which are contributed by combination bands of ground-state NCCN+. The exposure of the deposit to near infrared and red light results in the appearance of two new absorptions which are attributed to CNCN+. The reverse isomerization occurs when the sample is exposed to near ultraviolet radiation, but the two new absorptions are regenerated upon subsequent irradiation with near infrared and red light.


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