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Figure 1 Unit cell of (NH4)((NH4)0.75K0.25) [Fe2(PO4)2F2] in a view along b. Trans-[FeO4F2], in blue octahedra; cis-[FeO4F2], in pink octahedra; PO4, in red tetrahedra; black spheres: disordered K/NH4; green spheres: NH4. |
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Figure 1 Unit cell of (NH4)((NH4)0.75K0.25) [Fe2(PO4)2F2] in a view along b. Trans-[FeO4F2], in blue octahedra; cis-[FeO4F2], in pink octahedra; PO4, in red tetrahedra; black spheres: disordered K/NH4; green spheres: NH4. |