How flexible is the water molecule structure? Analysis of crystal structures and the potential energy surface.

Phys Chem Chem Phys

Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, Belgrade, 11000, Serbia. and Texas A&M University at Qatar, Education City, PO Box 23874, Doha, Qatar.

Published: February 2020

Water molecules from crystal structures archived in the CSD show a relatively large range both in the bond angle and bond lengths. High level ab initio calculations at the CCSD(T)/CBS level predicted a possibility for energetically low-cost (±1 kcal mol-1) changes of the bond angle and bond lengths in a wide range, from 96.4° to 112.8° and from 0.930 Å to 0.989 Å, respectively.

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Source
http://dx.doi.org/10.1039/c9cp07042gDOI Listing

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