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inorganic compounds
Zinc-nickel cyclotetraphosphate is composed of cyclic [P4O12] groups forming sheets parallel to the crystallographic (100) plane. These sheets are separated by zigzag chains of alternating [NiO6] or [ZnO6] octahedra that share a common edge, the cations being statistically disordered. The chains are extended along the c axis and link two consecutive sheets, thus ensuring the cohesion of the structure.
