Acta Crystallographica Section C

Crystal Structure Communications

Volume 58, Part 7 (July 2002)

Acta Cryst. (2002). C58, i87-i89 [doi:10.1107/S0108270102008922]

Sodium silver tricobalt bis(diphosphate) and sodium silver copper(II) diphosphate

J. Bennazha, A. Boukhari and E. M. Holt

Abstract: The crystal structures of two new diphosphates, sodium silver tricobalt bis(diphosphate), (Na_1.42Ag_0.58)Co₃(P₂O₇)₂, and sodium silver copper(II) diphosphate, (Na_1.12Ag_0.88)CuP₂O₇, provide examples of the effect of mixing Na and Ag in the same site of known host phosphate compounds. The small differences in ionic radii of the two monocations do not lead to significant differences in the structural details. In the latter compound, the Cu atom lies on an inversion center.

Formula: (Na_1.42Ag_0.58)Co₃(P₂O₇)₂ and (Na_1.12Ag_0.88)CuP₂O₇

Online 12 June 2002


	Structure factor file (CIF format) (147.0 kbytes) Contains datablock I

	Structure factor file (CIF format) (44.4 kbytes) Contains datablock II

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