Electronic Resource
Oxford [u.a.]
:
International Union of Crystallography (IUCr)
Acta crystallographica
56 (2000), S. 133-135
ISSN:
1600-5759
Source:
Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Topics:
Chemistry and Pharmacology
,
Geosciences
,
Physics
Notes:
Single crystals of mercury(II) polyphosphate, Hg(PO3)2, were prepared from HgO in an acidic polyphosphate melt. The structure is isotypic with α-Cd(PO3)2 and comprises infinite polyphosphate chains with a period of four phosphate units. Chains of the form 1∞[PO3−] are linked by Hg2+ to form a three-dimensional network. The Hg atom is located at the centre of a distorted octahedron of O atoms with distances 2.173 (5) 〈 (Hg—O)mean 〈 2.503 (6) Å. The [HgO6] polyhedra form zigzag-like chains of the form 1∞[HgO2O4/2] parallel to the c axis.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1107/S0108270199014067
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