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Bis(μ-nitrito-κ(2)O:O)bis-[bis-(1-methyl-1H-imidazole-κN(3))(nitrito-κO)copper(II)].

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Acta Crystallographica. Section E, Structure Reports Online
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PubMed
Summary
This summary is machine-generated.

This study details the crystal structure of a binuclear copper compound, [Cu(2)(NO(2))(4)(C(4)H(6)N(2))(4)]. The research reveals dimeric units formed by weak copper-oxygen interactions and a distorted square-pyramidal coordination geometry around the copper(II) atoms.

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Area of Science:

  • Inorganic Chemistry
  • Crystallography
  • Coordination Chemistry

Background:

  • Copper complexes are vital in catalysis and materials science.
  • Understanding the structural nuances of binuclear copper compounds is key to designing new functional materials.
  • The title compound, [Cu(2)(NO(2))(4)(C(4)H(6)N(2))(4)], presents an interesting case for structural investigation.

Purpose of the Study:

  • To elucidate the crystal structure of the binuclear copper(II) complex [Cu(2)(NO(2))(4)(C(4)H(6)N(2))(4)].
  • To analyze the coordination geometry and intermolecular interactions within the crystal lattice.
  • To characterize the spatial arrangement of the imidazole ligands.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
  • Analysis of bond lengths, bond angles, and dihedral angles provided insights into the coordination environment.
  • Intermolecular interactions, specifically Cu-O bonds, were identified and quantified.

Main Results:

  • The compound crystallizes as centrosymmetric dimeric units linked by weak Cu-O interactions.
  • Each copper(II) atom exhibits an elongated square-pyramidal CuN(2)O(3) coordination geometry.
  • A slight tetrahedral distortion was observed in the basal plane of the coordination polyhedron (max deviation = 0.249 Å).
  • The dihedral angle between the imidazole rings was determined to be 26.20(10)°.

Conclusions:

  • The crystal structure of [Cu(2)(NO(2))(4)(C(4)H(6)N(2))(4)] reveals a unique dimeric arrangement driven by intermolecular Cu-O bonds.
  • The distorted square-pyramidal coordination geometry around Cu(II) is a significant structural feature.
  • This structural characterization provides a foundation for understanding the properties and potential applications of this binuclear copper complex.