Syntheses and Coordination Properties of Bridged Bis(methimazole) Compounds

Abstract

Abstract: The syntheses and coordination properties of bridged bis(methimazole) compounds of I_a- IV_a and I_b are studied.The UV spectra reveal that I_a- IV_a coordinate UO₂ (Ⅱ) (hard acid) ion into complexes with the ratio L:UO₂(Ⅱ) = 3:1 and that I_b coordinates Hg(Ⅱ), Au (Ⅲ) (soft acid) ions into complexes with the ratio L:M = 2:1.The atomic net charge densities and frontier orbital (HOMO, LUMO) energies of I_a- IV_a and I_b molecules were calculated by CNDO/2 method.

Key words: Bridged bis(methimazole) compounds, Complex, UV spectra, Atomic charge density

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LIU Qing-jian, SHI Ming-li, JIANG Chong-qiu, LIU Feng-ling . Syntheses and Coordination Properties of Bridged Bis(methimazole) Compounds[J]. Chem. J. Chinese Universities, 1992, 13(3): 328.

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Syntheses and Coordination Properties of Bridged Bis(methimazole) Compounds

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