Infrared absorption spectroscopy of rare-gas ? CO2 clusters produced in supersonic expansions

1 January 1988

journal article
Published by Royal Society of Chemistry (RSC) in Faraday Discussions of the Chemical Society

Vol. 85, 13-21
https://doi.org/10.1039/dc9888500013

Abstract

Infrared absorption spectra are reported for rare-gas–carbon dioxide van der Waals complexes in the region of the ν₃ fundamental vibrational transition of CO₂ using a pulsed molecular beam and a diode laser. The observed linewidths of 90 MHz (f.w.h.m.) allowed the determination of rotational constants for the ground and first excited vibrational states along with the frequencies of the band origins and centrifugal distortion constants which were constrained to be equal in both vibrational states. Effective structures of the complexes have been determined.

Keywords

ABSORPTION
STRUCTURES
DER
VAN
DISTORTION
ROTATIONAL
DIODE
F.W.H.M
MHZ

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