2007•Acta Crystallographica Section E Structure Reports OnlineOpen access

Bis(2,6-diaminopyridinium)–adipate–adipic acid–water (2/1/1/2)

N. Karadayı

Abstract

The crystal structure of the title compound, 2C(5)H(8)N(3) (+)·C(6)H(8)O(4) (2-)·C(6)H(10)O(4)·2H(2)O, consists of amino-pyridinium cations, adipate dianions, adipic acid mol-ecules and disordered solvent water mol-ecules [occupancies 0.50 (4) and 0.50 (4)]. Both the adipate and adipic acid are located across inversion centres. Eight-membered hydrogen-bonded rings exist involving amino-pyridinium and adipate ions. Adipic acid mol-ecules and adipate anions are linked into zigzag supra-molecular chains by O-H⋯O hydrogen bonds.

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Key concepts: Adipate, Adipic acid, Hydrogen bond, Pyridinium, Chemistry, Ion, Polymer chemistry, Molecule