التفاصيل البيبلوغرافية
| العنوان: |
Temperature- and pressure-dependence of the hydrogen bond network in plastic ice VII. |
| المؤلفون: |
Toffano, Alberto, Russo, John, Rescigno, Maria, Ranieri, Umbertoluca, Bove, Livia E., Martelli, Fausto |
| المصدر: |
Journal of Chemical Physics; 9/7/2022, Vol. 157 Issue 9, p1-7, 7p |
| مصطلحات موضوعية: |
HYDROGEN bonding, MOLECULAR dynamics, PLASTICS, WATER pressure, PHASE diagrams |
| مستخلص: |
We model, via classical molecular dynamics simulations, the plastic phase of ice VII across a wide range of the phase diagram of interest for planetary investigations. Although structural and dynamical properties of plastic ice VII are mostly independent on the thermodynamic conditions, the hydrogen bond network (HBN) acquires a diverse spectrum of topologies distinctly different from that of liquid water and of ice VII simulated at the same pressure. We observe that the HBN topology of plastic ice carries some degree of similarity with the crystal phase, stronger at thermodynamic conditions proximal to ice VII, and gradually lessening when approaching the liquid state. Our results enrich our understanding of the properties of water at high pressure and high temperature and may help in rationalizing the geology of water-rich planets. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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