A cooperative calculation and analysis of electric fields, induced dipole vectors and lattice energies for rotationally ordered ices IX, II and disordered Ih
- 1 November 1980
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 41 (4), 883-905
- https://doi.org/10.1080/00268978000103231
Abstract
A non-additive model previously tested on 229 Hartree-Fock dimer energies and on trimer energies has been supplemented with different dispersion contributions and used to calculate the following properties of rotationally ordered ices IX and II and of disordeed Ih: (a) the different contributions to the lattice energy; (b) the induced dipole vectors, electric fields and angle relations as a function of lattice site and of molecular orientation for Ih. The calculated results are discussed in terms of an interpretation of the preferred relative orientations of water molecules. The non-cooperative contribution for this model was found to be enhanced in a range from 50 to 100 per cent over that for trimer interactions.Keywords
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