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μ-1,6-Dioxo-1,6-di-phenyl-hexane-3,4-diolato-bis-[(2,2'-bi-pyridine)-chlorido-copper(II)] dihydrate.

Luke Nye1, Shane G Telfer2, Mark M Turnbull1

  • 1Carlson School of Chemistry and Biochemistry, Clark University, 950 Main St., Worcester, MA 01610, USA.

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|September 11, 2023
PubMed
Summary
This summary is machine-generated.

Researchers synthesized a novel bimetallic copper complex using copper chloride, a tetrone, and 2,2′-bipyridine. This complex features a centrosymmetric structure with copper ions coordinated to oxygen, nitrogen, and chloride ligands, forming chains via hydrogen bonding.

Keywords:
CuIIcrystal structurehydratehydrogen-bondingtetronedioate

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Area of Science:

  • Coordination Chemistry
  • Inorganic Chemistry
  • Crystallography

Background:

  • Metal-organic complexes offer diverse structural and functional properties.
  • Tetrones and bipyridine ligands are versatile building blocks in coordination chemistry.
  • Understanding the synthesis and structure of bimetallic complexes is crucial for materials science.

Purpose of the Study:

  • To synthesize and characterize a novel bimetallic copper complex.
  • To elucidate the coordination environment and crystal structure of the complex.
  • To investigate the intermolecular interactions within the crystal lattice.

Main Methods:

  • Reaction of copper(II) chloride with 1,6-diphenyl-1,3,5,6-hexanetetrone and 2,2′-bipyridine in ethanol.
  • Single-crystal X-ray diffraction analysis to determine molecular and crystal structure.
  • Infrared spectroscopy and elemental analysis for characterization.

Main Results:

  • Formation of the bimetallic complex [Cu2(C18H12O4)Cl2(C10H8N2)2]·2H2O.
  • The molecule exhibits a centrosymmetric structure with each Cu(II) ion coordinated by two oxygen atoms, two nitrogen atoms, and one chloride ion.
  • Crystallization water molecules form hydrogen bonds with chloride ions, leading to chain formation along the bc-face diagonal.

Conclusions:

  • A novel centrosymmetric bimetallic copper complex has been successfully synthesized and structurally characterized.
  • The coordination geometry around the copper ions is distorted square pyramidal.
  • Hydrogen bonding plays a significant role in the supramolecular assembly of the complex in the solid state.