Relative efficiencies of H20 and D20 as catalysts for transfer of vibrational energy

Autor:	J. C. McCoubrey, R. C. Milward, Alfred Rene Jean Paul Ubbelohde
Rok vydání:	1962
Předmět:	Heavy water Vibration chemistry.chemical_compound General Energy chemistry Internal energy Chemical physics Propane Transfer (computing) Inorganic chemistry Molecule Catalysis Cyclopropane
Zdroj:	Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences. 269:456-468
ISSN:	2053-9169 0080-4630
DOI:	10.1098/rspa.1962.0189
Popis:	Complex theories of transfer from translational to internal energy in gaseous collisions can be tested in an accurate and fairly simple way, by comparing catalytic efficiencies of transfer by the isotopic molecules H2O and D2O. Results are given for experiments with the vibrators N2O, CO2, SO2, CH3Cl, C2H4and cyclopropane. The ratio of efficiencies conforms with the ratio of the masses of H2O and D2O for C2H4, and within the limits of error for CH3Cl, but not for the other vibrators. With each of these molecules, in different ways, more than one catalytic mechanism appears to be operative for the transfer of internal energy.
Databáze:	OpenAIRE
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