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Kolekcje
Inne
Structure, spectra and stability of a tetrafluoromethane-water complex.
Autorzy
Rok wydania
2008
Czasopismo
Physical Chemistry Chemical Physics
Numer woluminu
10
Strony
1292-1297
DOI
10.1039/B714145A
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The complex formed between water and tetrafluoromethane has been studied by infrared matrix isolation spectroscopy and ab initio calculations. The geometries of the CF4–H2O complexes were optimized in two steps at the MP2/aug-cc-pVTZ level of theory. The structure found at this level was reoptimized on the CP-corrected potential energy surface. The interaction energy was partitioned according to the SAPT scheme and the topological analysis of the electron density was performed. The optimized structure corresponds to the nonhydrogen bonded complex with an oxygen atom of water oriented toward the carbon atom of CF4. The infrared spectra of CF4/H2O/Ne(Ar) matrices demonstrate the presence of a well defined CF4–H2O structure in accord with theoretical prediction. Two complex vibrations were identified in the spectra of neon matrices and four vibrations were observed in the spectra of argon matrices. The available experimental data are in accord with the CP-corrected calculated data.
Adres publiczny
DOI https://doi.org/10.1039/B714145A
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