The central force model for a water molecule is corrected by adding a three-body term. The present potential fits both an accurate ab initio potential energy surface and the fundamental vibrational frequencies of gas-phase water. The three-body terms allow us to reproduce the gas-phase IR spectrum b
✦ LIBER ✦
An improved potential for non-rigid water molecules in the liquid phase
✍ Scribed by P. Bopp; G. Jancsó; K. Heinzinger
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 461 KB
- Volume
- 98
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
A modification of the central-force model for liquid water is proposed; a spectroscopic potential is adapted to describe the intramolecular interactions. Gas-liquid shifts of internal vibrational frequencies obtained from MD simulations are in good agreement with available spectroscopic data.
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