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Potassium trinickel(II) orthophosphate diphosphate, KNi3(PO4)P2O7.


ABSTRACT: The structure of the title compound is characterized by the presence of two different anions, (PO4)(3-) and (P2O7)(4-) with an eclipsed conformation. The crystal structure consists of edge-sharing [NiO6] octa-hedra forming an [Ni3O14] chain running parallel to [001]. Adjacent chains are connected through edges and apices to PO4 and P2O7 groups in such a way as to build a three-dimensional host lattice. The resulting framework presents inter-secting tunnels running along [010] and [101] in which the 11-coordinated potassium cation is located. The crystal structure of this new phosphate probably represents a new structural type.

SUBMITTER: Moutataouia M 

PROVIDER: S-EPMC3914035 | biostudies-literature | 2014 Jan

REPOSITORIES: biostudies-literature

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Potassium trinickel(II) orthophosphate diphosphate, KNi3(PO4)P2O7.

Moutataouia Meryem M   Lamire Mohammed M   Saadi Mohamed M   El Ammari Lahcen L  

Acta crystallographica. Section E, Structure reports online 20131224 Pt 1


The structure of the title compound is characterized by the presence of two different anions, (PO4)(3-) and (P2O7)(4-) with an eclipsed conformation. The crystal structure consists of edge-sharing [NiO6] octa-hedra forming an [Ni3O14] chain running parallel to [001]. Adjacent chains are connected through edges and apices to PO4 and P2O7 groups in such a way as to build a three-dimensional host lattice. The resulting framework presents inter-secting tunnels running along [010] and [101] in which  ...[more]

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