Contribution of H-bond vibrations to heat capacity of water

LISHCHUK, Sergey, MALOMUZH, N. P. and MAKHLAICHUK, P. V. (2011). Contribution of H-bond vibrations to heat capacity of water. Physics Letters A, 375 (27), 2656-2660.

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The origin of the anomalously large value of the heat capacity of liquid water is discussed. Comparing the temperature dependence of the heat capacities for water with those for argon and hydrogen sulfide, we separate contributions of the translational and rotational degrees of freedom. The residual part is considered as being caused by the specific contributions of the transversal vibrations of H-bonds. The estimate for the number of H-bonds per molecule is obtained from the analysis of this contribution. This estimate is in quite good agreement with the estimates which follow from the analysis of the specific volume, heat of evaporation, and kinematic shear viscosity.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Modelling Research Centre > Materials Modelling group
Identification Number:
Page Range: 2656-2660
Depositing User: Sergey Lishchuk
Date Deposited: 10 Nov 2016 14:53
Last Modified: 18 Mar 2021 22:30

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