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Molecular dynamics simulation of water near walls using an improved wall—water interaction potential

✍ Scribed by Giulio Barabino; Cesare-Gavotti; Michele Marchesi


Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
592 KB
Volume
104
Category
Article
ISSN
0009-2614

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✦ Synopsis


Two molecular dynamics simulations, lasting 14 and 24 ps, have been performed with 150 water molecules between two walls. The waII potential is obtained by modeUing the wail as a lattice of fmed atoms, interacting with water atoms via a Lennard-Jones potential, and averaging the results. One simulation takes into account dielectric interactions of water charges with the walls using the imagecharges method. Static and dynamic properties of water have been computed, showing no substantid diffe*xnce with respect to a simulation between two rigid walls.


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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