Coordination Compounds Containing Fluorophosphine Ligands
作者： R. W. Parry
DOI: 10.1007/978-1-4899-6555-4_13
关键词: Chemistry 、 Coordination theory 、 Platinum 、 Electron pair 、 Coordination complex 、 Ligand 、 Crystallography 、 Electron 、 Atomic orbital 、 Phosphorus
摘要: Interest in fluorophosphines as ligands was initiated when Chatt1,2 established the formula Pt(PF3)2X2 for a compound described years ago by Schutzenberger and Fontaine3 later Moisson.4 As expected, has square planar cis geometry. The ability of PF3 unit to serve coordination ligand put severe strains on existing theory, since electronegative fluorines attached phosphorus would be expected pull back electron pair seriously reduce its dδ-bonding ability. Chatt rationalized existence suggesting that d electrons from platinum were donated orbitals give dπ-dπ;-bonding. build up effective positive charge central atom, lower energy 3d enough permit their use bonding.
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