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inorganic compounds
Gadolinium potassium hexacyanoferrate(II) trihydrate, GdKFe(CN)6.3H2O, crystallizes in the orthorhombic space group Pnma (No. 62). The structure consists of non-linear cyanide bridges linking octahedrally coordinated Fe atoms and eight-coordinated Gd atoms. Cavities within the structure are occupied by potassium and zeolitic water molecules which are within hydrogen-bonding distance of the water molecules bonded to the Gd atoms, GdN6(H2O)2.
