Infrared spectroscopy of trapped molecular dications below 4 K
J Jašík, J Žabka, J Roithová, D Gerlich - International Journal of Mass …, 2013 - Elsevier
First results from a new ion trap instrument are presented. With this instrument, ions can be
cooled to temperatures below 4 K using helium buffer gas. Low temperatures and high
densities lead to efficient formation of helium-tagged ions allowing us to record infrared
predissociation spectra of highly reactive species. After a short description of the instrument
and its special features, the first IRPD spectrum of a small hydrocarbon dication, C 7 H 6 2+,
is presented. The spectral features observed between 2900 and 3200 cm− 1 indicate that …
cooled to temperatures below 4 K using helium buffer gas. Low temperatures and high
densities lead to efficient formation of helium-tagged ions allowing us to record infrared
predissociation spectra of highly reactive species. After a short description of the instrument
and its special features, the first IRPD spectrum of a small hydrocarbon dication, C 7 H 6 2+,
is presented. The spectral features observed between 2900 and 3200 cm− 1 indicate that …
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