Poly[[bis(dimethylformamide)[μ7-5,5′-(methylenedioxy)diisophthalato]dizinc] dimethylformamide monosolvate]

Abstract

In the crystal structure of the title coordination polymer, {[Zn2(C17H8O10)(C3H7NO)2]·C3H7NO}n, the molecular building block (MBB), viz. {Zn2(CO2)4(C3H7NO)2}, comprises two zinc atoms, each bridged by three carboxylate groups. These two Zn atoms exhibit different coordination environments: a distorted coordination intermediate between trigonal–pyramidal, and square–pyramidal formed by the two coordinated dimethylformamide molecules and three carboxylate groups, and a distorted tetrahedral coordination defined by carboxylate groups of which three are bidentate bridging and the fourth is a monodentate ligand. Thus, each ligand connects four MBBs, forming the three-dimensional polymer.