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Acta Cryst. (2008). E64, i15 [ doi:10.1107/S1600536808001992 ]
Abstract: The Tb atom of the title compound, TbHP2O7·4H2O, is coordinated by the O atoms of three symmetrically independent water molecules and by five O atoms belonging to HP2O7- groups. The TbO8 polyhedra are interconnected by the diphospate anions, forming a three-dimensional network which is additionally stabilized by O-H
O hydrogen bonding between water molecules and O atoms of the HP2O7- anions. Uncoordinated water molecules are situated in channels and are connected via hydrogen bonds with the framework.
Online 23 January 2008
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