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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.


📜 SIMILAR VOLUMES


An implemented potential of non-rigid wa
✍ Pierfranco Demontis; Giuseppe B. Suffritti; Ettore S. Fois; Aldo Gamba 📂 Article 📅 1986 🏛 Elsevier Science 🌐 English ⚖ 491 KB

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