Abstract
In the structure of the title compound, [Cu2(C6H6N4)2(H2O)2]SO4, the asymmetric unit contains half each of two 2,2′-diimidazole ligands, one Cu+ cation, one water molecule and half of a sulfate anion (2 symmetry). The dinuclear complex is completed through a twofold rotation axis, leading to a twisted ten-membered ring molecule. The dihedral angle between the two symmetry-related 2,2′-diimidazole ligands is 23.6 (1)°. The copper centre is coordinated by two N atoms of two symmetry-related 2,2′-diimidazole ligands in an almost linear fashion. The water molecule exhibits a weak coordination to Cu+ with a more remote distance of 2.591 (2) Å. The distance between the two copper centres is 2.5956 (6) Å. O—H⋯O and N—H⋯O hydrogen bonds between the complex cation, the water molecule and the sulfate anion lead to the formation of a three-dimensional network.
Highlights
In the structure of the title compound, [Cu2(C6H6N4)2(H2O)2]SO4, the asymmetric unit contains half each of two
The dinuclear complex is completed through a twofold rotation axis, leading to a twisted ten-membered ring molecule
The copper centre is coordinated by two N atoms of two symmetry-related 2,20 -diimidazole ligands in an almost linear fashion
Summary
Xiutang Zhang,a,b* Peihai Wei,a Bo Hu,a Bin Lia and Congwen Shia a Advanced Material Institute of Research, Department of Chemistry and Chemical. Engineering, ShanDong Institute of Education, Jinan 250013, People’s Republic of. BCollege of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, People’s Republic of China
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