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Updated: Jun 1, 2026

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Preparation of SNS Cobalt(II) Pincer Model Complexes of Liver Alcohol Dehydrogenase
Published on: March 19, 2020
Hexakis(N,N-dimethyl-formamide-κO)cobalt(II) bis-(perchlorate)
Summary
This study details the crystal structure of a cobalt complex with N,N-dimethyl-formamide (DMF). The cobalt ions are octahedrally coordinated by six DMF molecules, forming a stable crystal structure.
Area of Science:
- Inorganic Chemistry
- Crystallography
- Coordination Chemistry
Background:
- Cobalt complexes are vital in various chemical applications.
- Understanding the structural properties of metal-organic complexes is crucial for developing new materials.
- N,N-dimethyl-formamide (DMF) is a common ligand in coordination chemistry.
Purpose of the Study:
- To elucidate the crystal structure of the [Co(DMF)6](ClO4)2 complex.
- To characterize the coordination environment of the cobalt(II) ion.
- To identify the stabilizing interactions within the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction was used to determine the crystal structure.
- Analysis of bond lengths, angles, and coordination geometry.
- Identification of intermolecular interactions, including hydrogen bonding.
Main Results:
- The asymmetric unit contains two half complex cations, [Co(DMF)6]2+, and two perchlorate anions.
- Cobalt(II) ions are located at centers of inversion and exhibit a slightly distorted octahedral coordination geometry.
- The crystal structure is stabilized by coordinative, ionic, and C-H⋯O hydrogen bonding interactions.
Conclusions:
- The crystal structure of [Co(DMF)6](ClO4)2 has been successfully determined.
- The coordination of DMF ligands around the cobalt(II) ion is confirmed to be octahedral.
- The crystal packing is significantly influenced by a combination of strong and weak intermolecular forces.
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