The Crystal Structure of Sodium Nickel Arsenate, NaNiAsO4
Open Access
- 1 January 1984
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 39 (1) , 118-120
- https://doi.org/10.1515/znb-1984-0125
Abstract
The unit cell of NaNiAsO4 is rhombohedral, space group R 3, with a = 4.955(5) Å, c = 26.47(3) Å and Z - 6. The crystal structure comprises three-layer units consisting of one “octahedral" layer, built up from Ni06-octahedra, and two “tetrahedral" layers, built up from AsO4-tetrahe- dra. Sodium ions are situated between these layers, having a distorted (4+3) coordination.Keywords
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