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Issue 44, 2018
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Water phase transitions from the perspective of hydrogen-bond network analysis

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Abstract

We analyze the water vapour–liquid and solid–liquid phase transitions from the perspective of hydrogen bond networks. Using molecular dynamics simulation data for the TIP4P/2005 and TIP4P/ice water models, we built hydrogen bond networks in the neighbourhood of the transitions. We studied the behaviour of some topological network properties: the average degree, clustering coefficient, and average path length. We found that these properties exhibit a discontinuity while approaching a phase transition region, similar to those that appear for some thermodynamic properties in the same region. This approach can be extended to characterize other water phase transitions. Besides, it can also be applied to study the phase transitions of other hydrogen-bonded substances or to other scenarios whose relevant “interaction” could be identified together with a “proper criterion” defined in an analogous way as in the case of hydrogen bonded systems.

Graphical abstract: Water phase transitions from the perspective of hydrogen-bond network analysis

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Article information


Submitted
21 Aug 2018
Accepted
12 Oct 2018
First published
12 Oct 2018

Phys. Chem. Chem. Phys., 2018,20, 28308-28318
Article type
Paper

Water phase transitions from the perspective of hydrogen-bond network analysis

B. V. Ramírez, R. M. Benito, J. Torres-Arenas and A. L. Benavides, Phys. Chem. Chem. Phys., 2018, 20, 28308
DOI: 10.1039/C8CP05318A

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