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Tetrakis(dimethylamido)vanadium(IV)
S R Dubberley1, B R Tyrrell, P Mountford
1Inorganic Chemistry Laboratory, South Parks Road, Oxford OX1 3QR, England.
Summary
This study characterizes the molecular structure of a vanadium compound with dimethylamido ligands, revealing a tetrahedral coordination around the vanadium atom and comparing findings with prior gas-phase electron-diffraction data.
Area of Science:
- Inorganic Chemistry
- Crystallography
- Coordination Chemistry
Background:
- Vanadium complexes with amido ligands are of interest in coordination chemistry.
- Understanding the precise molecular geometry is crucial for predicting reactivity and properties.
Purpose of the Study:
- To determine the crystal structure and molecular symmetry of the title compound, [V(C(2)H(6)N)(4)].
- To compare the solid-state structural data with existing gas-phase electron-diffraction studies.
Main Methods:
- Single-crystal X-ray diffraction analysis was employed to elucidate the molecular structure.
- The crystal structure was analyzed to determine atomic coordinates and bonding environments.
Main Results:
- The compound [V(C(2)H(6)N)(4)] exhibits non-crystallographic D(2d) molecular symmetry.
- An approximately tetrahedrally coordinated vanadium atom was observed, bonded to four dimethylamido ligands.
- Each nitrogen atom within the dimethylamido ligands displays a nearly trigonal planar geometry.
- Two independent molecules of the compound were identified within the asymmetric unit of the crystal.
Conclusions:
- The solid-state structure provides detailed insights into the coordination environment of vanadium in this complex.
- The structural data obtained from X-ray diffraction complements and can be compared with gas-phase electron-diffraction findings.