Aqua­[bis­(2-ethyl-5-methyl-1H-imidazol-4-yl-κN3)methane]­oxalatocopper(II) dihydrate [Cu(C2O4)(C13H20N4)(H2O)]·2H2O
2011

Crystal Structure of a Copper Complex

publication Evidence: moderate

Author Information

Author(s): Luo Yang-Hui, Qian Xiao-Min, Gao Ge, Li Jin-Feng, Mao Shu-Lin

Primary Institution: Ordered Matter Science Research Center, College of Chemistry and Chemical Engineering, Southeast University, Nanjing, People’s Republic of China

Hypothesis

The study investigates the crystal structure of a new copper complex involving imidazole derivatives.

Conclusion

The copper atom in the complex exhibits a distorted square-pyramidal geometry and is involved in a network of hydrogen bonds.

Supporting Evidence

  • The copper atom is positioned 0.232 Å out of the basal plane towards the water molecule.
  • The structure includes two solvent water molecules that contribute to hydrogen bonding.
  • The study utilized Rigaku Mercury CCD area-detector diffractometer for data collection.

Takeaway

Scientists created a new copper compound and found that its structure is shaped like a pyramid with water molecules helping to hold it together.

Methodology

The compound was synthesized through a reaction involving copper(II) nitrate trihydrate, potassium oxalate, and a specific imidazole ligand, followed by crystallization from a solution.

Digital Object Identifier (DOI)

10.1107/S1600536811001012

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