Computer Science
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010mss..confefa05h&link_type=abstract
"International Symposium On Molecular Spectroscopy, 65th Meeting, Held 21-25 June, 2010 at Ohio State University. http://molspec
Computer Science
Infrared/Raman (Vibrational)
Scientific paper
The fundamental bands of the CCl_3 asymmetric deformation modes of selected isotopomers of chloroform (CHCl_3) and freon-11 (CFCl_3) have been measured between 7 and 8 THz in a static cell at ambient temperature using a laser-based source of tunable radiation in the terahertz region (0.1-10 THz) of the electromagnetic spectrum. Simulation of the rotational contour of the ν_6 fundamental transition of 12CH35Cl_3 confirmed previously suggested values for C_6 and C_6ζ_6. The fundamental frequencies were derived with a precision of 2 GHz for all compounds except CF35Cl_3, where the precision amounted to 3 GHz. The frequencies are in agreement with values calculated ab initio. Extension of the experimental setup to enable measurement of THz spectra of molecules in supersonic jet expansions and partially resolve their rotational structure is in progress.
J. H. Carpenter, P. J. Seo and D. H. Whiffen J. Mol. Spectrosc., 170, 215, (1995).
Haase Christa
Liu Jinjun
Merkt Frédéric
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