Diaqua­Bis(4-Bromo­Benzoato-Κ2 O,O′)Zinc(Ii)

Abstract

The monomeric title ZnII complex, [Zn(C7H4BrO2)2(H2O)2], contains two 4-bromo­benzoate (BB) ligands and two coordinated water mol­ecules around a ZnII atom on a twofold rotation axis. The BB ions act as bidentate ligands, with two very dissimilar coordination distances. The sixfold coordination around the ZnII may be described as highly distorted octa­hedral, with the two aqua ligands arranged cis. Hydrogen bonding involving the carboxyl­ate O atoms has an effect on the delocalization in the carboxyl­ate groups. In the crystal structure, inter­molecular O—H⋯O hydrogen bonds link the mol­ecules into chains parallel to the c axis and stacked along the b axis.