Solid state coordination chemistry of oxovanadium phosphates:: hydrothermal syntheses and structures of the network and chain phosphate phases [{Cu(bpy)}2(VO)3(PO4)2(HPO4)2]•2H2O and [{Cu(terpy)}2(VO2)3(PO4)(HPO4)2]

The hydrothermal reactions of Cu2O, the appropriate polypyridine ligand, Na3VO4, H3PO4 and H2O at 200 degrees C yield the two-dimensional material [{Cu(bpy)}(2)(VO)(3)- (PO4)(2)(HPO4)(2)]. 2H(2)O and the one-dimensional phosphate [{Cu(terpy)}(2)(VO2)(3)(PO4)(HPO4)(2)], examples of the structure-directing role of secondary metal-ligand subunits on the architectures of vanadium phosphates.