ZPEnergy.com - Zero point energy and the origin of the density maximum in water

F.A. Deeney and J.P. O'Learya
Physics Department, National University of Ireland, Cork, Ireland
Physics Letters A/ Volume 372, Issue 10, 3 March 2008, Pages 1551-1554

Abstract

The density maximum in water must arise due to the opposing action of two independent physical processes. Here we calculate the effects of zero point energy on water near room temperature, to show that the phenomenon, acting in competition with classical expansion/contraction, can explain the existence of the density anomaly.

Source: http://www.sciencedirect.com/science
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Zero point energy of polyhedral water clusters

Anick DJ

Polyhedral water clusters (PWCs) are cage-like (H2O)(n) clusters where every 0 participates in exactly three H bonds. For a database of 83 PWCs, 8 <= n <= 20, geometry was optimized and zero point energy (ZPE) was calculated at the B3LYP/6-311++G** level. ZPE correlates negatively with electronic energy (E-0): each increase of 1 kcal/mol in E-0 corresponds to a decrease of about 0.11 kcal/mol in ZPE. For each n, a set of four connectivity parameters accounts for 98% or more of the variance in ZPE. Linear regression of ZPE against n and this set gives an RMS error of 0.13 kcal/mol. The contributions to ZPE from stretch modes only (ZPEs) and from torsional modes only (ZPE(T)) also correlate strongly with E-0 and with each other.

Source: http://www.cheric.org/research/

[Lots of strange energetic -O/U- phenomena are happening in water ...can water, excited in certain ways, behave like a ZPE pump? ..Vlad]


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