Mg7(AsO4)2(HAsO4)4: a new magnesium arsenate with a very strong hydrogen bond

Kolitsch, U.; Bartu, P.

doi:10.1107/S010827010401813X

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 1
A polyhedral representation of the crystal structure of Mg₇(AsO₄)₂(HAsO₄)₄ in a view along [10 $[\overline 1]$ ], i.e. nearly parallel to the zigzag chains built from the edge-sharing Mg2-, Mg3- and Mg4-centred polyhedra (the Mg1O₆ octahedron, centered by Mg1 on the origin, is not involved in this chain). MgO₆ octahedra are unmarked, the distorted Mg3O₅ trigonal bipyramids are striped and AsO₄ tetrahedra are marked with crosses. The very short hydrogen bond is also shown (dotted line).

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 60| Part 9| August 2004| Pages i94-i96

doi:10.1107/S010827010401813X

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