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Acta Cryst. (2007). E63, i77-i79 [ doi:10.1107/S1600536807007970 ]
Abstract: The crystal structure of the title compound, disilver(I) tetrahydrododioxotellurate(VI), has been redetermined; it confirms the previous study [Fischer (1969). Monatsh. Chem. 100, 1809-1822] which was based on film data, but with higher precision, with all displacement factors refined anisotropically for non-H atoms and with the localization of the H atoms, which leads to a different hydrogen-bonding scheme from that originally proposed. The structure of Ag2[TeO2(OH)4] can be derived from a distorted hexagonal close packing of [TeO2(OH)4]2- octahedra (Te site symmetry 2) with the Ag+ cations located in the interstices. O-H
O hydrogen bonds help to stabilize the structure.
Online 23 February 2007
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