Overlap Polarizability and Covalency in Diatomic Molecules and Europium Complexes
作者： R. Q. Albuquerque , O. L. Malta
DOI: 10.1007/978-94-010-0031-4_11
关键词: Polarizability 、 Ligand field theory 、 Diatomic molecule 、 Valence (chemistry) 、 Europium 、 Physical chemistry 、 Nephelauxetic effect 、 Ionic bonding 、 Lanthanide 、 Molecular physics 、 Chemistry
摘要: The concepts of overlap polarizability and ionic specific valence have been initially applied to the series alkali halides RX, where R = Li, Na K, X F, Cl, Br I. values for this diatomic calculated a new covalency scale based on quantity has proposed, showing good correlation with Pauling's scale. charge factors, g, appearing in simple model ligand field lanthanide compounds associated valences trivalent europium compounds. Stark levels complexes Eu(TTA)32H2O, Eu(btfa)32H2O Eu(btfa)3phenNO using association, root-mean-squares deviations obtained were 1.97%, 2.94% 5.02%, respectively, comparison experimental values. Eu3+ also compared energy 5D0→7F0 transition order study nephelauxetic effect linear obtained, providing support fact that is importance effect.
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