Structures and thermodynamic stabilities of the C2H4O isomers: Acetaldehyde,vinyl alcohol and ethylene oxide |
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Authors: | Willem J Bouma Leo Radom William R Rodwell |
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Institution: | (1) Research School of Chemistry, Australian National University, 2600 Canberra, A.C.T., Australia |
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Abstract: | Ab initio molecular orbital theory with a sequence of basis sets ranging from minimal to triple zeta plus polarization and with electron correlation incorporated using Möller-Plesset perturbation theory terminated at third order (MP3) is used to examine the structures and relative energies of the C2H4O isomers, acetaldehyde, vinyl alcohol and ethylene oxide. Acetaldehyde is indicated to be the most stable isomer with vinyl alcohol lying 45 kJ mol–1 and ethylene oxide 114 kJ mol–1 higher in energy. The theoretical structures and energies are in reasonable agreement with the best available experimental data. |
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Keywords: | Acetaldehyde Vinyl alcohol Ethylene oxide |
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