Abstract
A new multinuclear macromolecular metal complex, poly(vinylamine)copper(II) complex coordinately bonded with hexacyanoferrate(II), has been prepared by mixing aqueous solutions of poly(vinylamine)copper(II) and potassium hexacyanoferrate(II) in order to investigate the effects of macromoleculization of a mixed metal complex. The interactions between metals in different complex moieties of poly(vinylamine)copper(II) and hexacyanoferrate(II) were studied spectroscopically. A mixed metal polymer complex which has Fe(II), Cu(II), and vinylamine of the poly(vinylamine) repeating unit in the ratio of 1 : 1 : 20 has been prepared. In the IR spectrum of the mixed metal polymer complex, intermetallic CN stretching vibration band has been obtained. A broad visible absorption peak at 480 nm which did not appear in the spectra of its parent complexes has been shown. Cu(II) signal of its ESR spectrum in aqueous glassy solution appeared between the signals of poly(vinylamine)copper(II) and Cu2[Fe(CN)6] and was assigned to an inorganic cluster with cyanide bridged metals. These spectral data suggest that this mixed metal polymer complex has a cyanide bridged structure and interactions between metals of different complex moieties through the cyanide bridges.
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Koyama, T., Kurose, A., Hanabusa, K. et al. Multinuclear Macromolecular Metal Complexes III. Preparation and Properties of Poly(vinylamine)copper(II) Complex Coordinately Bonded with Hexacyanoferrate(II). Polym J 20, 207–211 (1988). https://doi.org/10.1295/polymj.20.207
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DOI: https://doi.org/10.1295/polymj.20.207
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