Crystal structure and magnetic properties of [{Co(H2O)2}2Mo(CN)8]·4 H2O, a three-dimensional cyanide-bridged bimetallic compound

The three-dimensional cyano-bridged bimetallic compound of formula [{Co(H 2 O) 2 } 2 Mo(CN) 8 ]·4 H 2 O is described. The single-crystal X-ray structural determination revealed that the compound has a polymeric structure based on a network of [Mo IV (CN) 8 ] units and Co II ions. Each Mo(CN) 8 building block is linked to Co ions through its eight CN ligands and each Co II centre is connected to four Mo units forming a highly symmetrical three-dimensional framework with square-shaped channels running through the structure. The magnetic behaviour in the temperature range 2–300 K and spectroscopic data are reported as well.