Synthesis and structure of the framework coordination polymer based on the cluster anion [Nb4OTe4(CN)12]6− and MnII aqua complexes

Dark-brown plate crystals of the [Mn7(H2O)26{Nb4OTe4(CN)12} 2](OH)2·11H2O compound (1) were prepared by the reaction of an aqueous ammonia solution of the K6[Nb4OTe4(CN)12]{K2CO3{KOH{8H2O complex with a glycerol solution of manganese(II) nitrate. The structure of complex 1 was established by X-ray diffraction. Compound 1 has a polymer structure containing four types of manganese atoms. The nitrogen atoms of eight cyano groups of the tetranuclear niobium cluster are coordinated to the manganese atoms to form a {2,3,8}-connected three-dimensional network.