Journal
CHEMICAL PHYSICS LETTERS
Volume 352, Issue 3-4, Pages 301-310Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0009-2614(01)01465-8
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The FTIR spectra of CF3H have been studied in liquefied At, N-2, CO, and CO2. The effect of a blue shift of frequency of the C-H stretching vibration accompanied by a decrease in the integral intensity of the corresponding v(1) band was found in the studied series of solvents. The combination bands ascribed to simultaneous excitation of vibrations of interacted molecular partners have been revealed in CO and CO2 solutions. DFT/B3LYP and ab initio MP2 calculations utilizing the 6-311++G(3df,3pd) basis set suggest weak linear F3CH...B complex formation, reproduce the experimentally observed unusual trends for B = Ar, N-2, CO, CO2, and predict the conventional red frequency shift of the v(1) band for B = NH3. (C) 2002 Elsevier Science B.V. All rights reserved.
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