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Poly[[bis(μ-3-amino-5-carboxybenzoato-κ2N:O1)diaquazinc] dihydrate]

Author(s): Kou-Lin Zhang | Ting-Ting Qiu | Seik Weng Ng

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 68;
Issue: 8;
Start page: m1088;
Date: 2012;
Original page

The ZnII atom in the title polymeric compound, {[Zn(C8H6NO4)2(H2O)2]·2H2O}n, lies on a center of inversion and is coordinated by two amine N atoms and two carboxylate O atoms from two 3-amino-5-carboxybenzoate anions along with two water molecules in a distorted octahedral geometry. The bridging nature of the anion generates a layer motif parallel to (100). Hydrogen bonds of the N—H...O and O—H...O types exist in the structure. One H atom of the coordinated water molecule and one H atom of the solvent water molecule are each disordered over two positions in a 1:1 ratio.
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