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The reaction of the bis(methyl ester) of 3,6-dimethylpyrazine-2,5-dicarboxylic acid with copper perchlorate leads to the formation of the centrosymmetric mononuclear complex [Cu(C9H9N2O4)2(H2O)2]. Two partially hydrolyzed (ionized) ligands are coordinated, in a bidentate fashion, to the Cu atom. The Cu coordination sphere is completed by two water molecules. Symmetry-related molecules are linked by a strong hydrogen bond, involving the carbonyl O-atom of the carboxylato group and the coordinated water molecules, to form a two-dimensional network.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks cul1mee, global

hkl

Structure factor file (CIF format)
Contains datablock cul1mee

CCDC reference: 129738

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