Ligand Field of Uranium (4+) Antiprismatic Cluster in LCAO MO Approach
The physical origin of the crystalline field in ionic compounds has been the subject of intensive theoretical investigations. It has been proved1–2 that the widely used electrostatic description is applicable only in those few cases when the contributions derived from other sources of crystalline field are mutually cancelled. These are, among others, the effects connected with the exchange interaction between central ion and ligand electrons, overlap and covalent mixing of their orbitals.
KeywordsLigand Field Crystal Field Parameter Electrostatic Term Crystalline Field Ligand Field Theory
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