ESR of arene complexes of Co(II) and Co(0)
The formation of metal-complex catalysts in solutions of aromatic hydrocarbons is often accompanied by the formation of bis- and monoarene paramagnetic complexes, which are identified with the aid of ESR. The theoretical dependence of the components of the g factor on the angular distortions in bisaromatic compounds of transition metals with d/sup 7/ and d/sup 9/ electronic configurations has been determined in the framework of crystal-field theory for the purpose of developing an ESR method for structural investigations of aromatic complexes. Satisfactory agreement between the calculated values and the experimental data for individual compounds has been obtained. The results of the calculations has been used to determine the number of coordinated alkylbenzene molecules in Co(II) and Co(0) complexes which form in catalytic systems.
- OSTI ID:
- 6419484
- Journal Information:
- Sov. J. Coordinat. Chem.; (United States), Vol. 10:10; Other Information: Translated from Koordinatsionnaya Khimiya; 10: No.10, 1384-1392(Oct 1984)
- Country of Publication:
- United States
- Language:
- English
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ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
74 ATOMIC AND MOLECULAR PHYSICS
AROMATICS
CATALYTIC EFFECTS
ELECTRON SPIN RESONANCE
STRUCTURAL CHEMICAL ANALYSIS
COBALT COMPLEXES
HYPERFINE STRUCTURE
ATOMIC MODELS
BOND ANGLE
CATALYSTS
COMPLEXOMETRY
CONFIGURATION INTERACTION
COUPLING CONSTANTS
ELECTRONIC STRUCTURE
ELECTRONS
FIELD THEORIES
GROUND STATES
L-S COUPLING
MATRIX ELEMENTS
ORGANOMETALLIC COMPOUNDS
SPECTRA
SPIN
WAVE FUNCTIONS
ANGULAR MOMENTUM
COMPLEXES
COUPLING
ELEMENTARY PARTICLES
ENERGY LEVELS
FERMIONS
FUNCTIONS
INTERMEDIATE COUPLING
LEPTONS
MAGNETIC RESONANCE
MATHEMATICAL MODELS
ORGANIC COMPOUNDS
PARTICLE PROPERTIES
RESONANCE
TRANSITION ELEMENT COMPLEXES
400201* - Chemical & Physicochemical Properties
640302 - Atomic
Molecular & Chemical Physics- Atomic & Molecular Properties & Theory