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A complex containing both five- and six-coordinate
1Department of Engineering Physics, Faculty of Sciences, University of Ankara, 06100 Besevler, Ankara, Turkey.
Acta Crystallographica. Section C, Crystal Structure Communications
|September 15, 2000
Summary
This study details the crystal structure of an iron(III) complex featuring both five-coordinate square-pyramidal and six-coordinate octahedral iron centers. The complex exhibits intermolecular hydrogen bonding and other non-covalent interactions.
Area of Science:
- Coordination Chemistry
- Crystallography
- Inorganic Chemistry
Background:
- Iron complexes with Schiff base ligands are of interest due to their diverse applications.
- Understanding the coordination environment of iron is crucial for predicting its reactivity and properties.
Purpose of the Study:
- To elucidate the crystal structure of a novel iron(III) complex containing both five- and six-coordinate iron centers.
- To characterize the coordination geometry and intermolecular interactions within the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the structure of the title compound.
- Analysis of bond lengths, angles, and intermolecular contacts was performed.
Main Results:
- The asymmetric unit contains one five-coordinate [FeCl(ligand)] monomer with distorted square-pyramidal geometry and one six-coordinate [FeCl(ligand)(H2O)] monomer with distorted octahedral geometry.
- The ligand is tetrafunctional, coordinating through O, N, N', O' atoms.
- Intermolecular O-H···O, C-H···Cl, and C-H···O interactions were identified.
Conclusions:
- The study successfully characterized a unique iron(III) complex with mixed coordination numbers.
- The presence of various intermolecular interactions influences the crystal packing and stability of the complex.