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首页> 外文期刊>Inorganica Chimica Acta >SPECTROSCOPIC PROPERTIES AND LIGAND FIELD PARAMETERS OF BIS(HYDROTRIS(1-PYRAZOLYL)BORATO) TRIVALENT METAL COMPLEXES - ANOMALOUS COVALENCY IN THE METAL-PYRAZOLYL NITROGEN BOND AND ENERGY LEVEL SPLITTINGS DUE TO ANISOTROPIC PI BONDING
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SPECTROSCOPIC PROPERTIES AND LIGAND FIELD PARAMETERS OF BIS(HYDROTRIS(1-PYRAZOLYL)BORATO) TRIVALENT METAL COMPLEXES - ANOMALOUS COVALENCY IN THE METAL-PYRAZOLYL NITROGEN BOND AND ENERGY LEVEL SPLITTINGS DUE TO ANISOTROPIC PI BONDING

机译:双(水合(1-吡唑基)硼酸酯)三价金属络合物的光谱性质和配体参数-金属-吡唑基氮键的非均价和由于各向异性的PI键合而引起的能级分裂

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摘要

On the basis of W-Vis absorption, magnetic circular dichroism, luminescence, and multinuclear NMR spectra of bis(hydrotris(1-pyrazolyl)borato) chromium(III) and cobalt(III) complexes, the ligand held parameters were discussed in comparison with those of the corresponding hexaam(m)ine complexes. The trigonal splitting of the quartet excited T-4(2g) and T-4(1g) states and the large separation of the lower frequency doublet states ((2)E(g) and T-2(1g)) were elucidated in terms of the angular overlap model. [References: 31]
机译:基于双(氢三(1-吡唑基)硼原子)铬(III)和钴(III)配合物的W-Vis吸收,磁圆二色​​性,发光和多核NMR光谱,讨论了配体保持参数,并与相应的六胺(m)ine配合物的那些。阐明了四重激发态T-4(2g)和T-4(1g)的三角分裂以及低频双峰态((2)E(g)和T-2(1g))的大分离角度重叠模型的术语。 [参考:31]

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