Potential constants, mean amplitudes of vibration, and thermodynamic properties of ethylene oxide, ethylene oxide-d4 and ethylene sulphide
A normal co-ordinate analysis of ethylene oxide, ethylene oxide-d4 and ethylene sulphide is carried out and the potential energy constants are determined using both the most general quadratic potential function and Urey-Bradley force field. Using the potential energy constants obtained by the former method the mean amplitudes of vibration of these molecules are calculated by the secular equation method. The thermodynamic properties of these molecules are reported for the ideal gaseous state at one atmosphere pressure for eleven temperatures from 100° K. to 1000° K.
KeywordsEthylene Oxide Mean Amplitude Ideal Gaseous State Valence Force Field Potential Energy Constant
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