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Cobalt—Sandwiched lindqvist hexaniobate dimer [Co(III)H5(Nb6O19)2]8− 1

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Abstract

A new polyoxoniobate K6Na2[CoIIIH5(Nb6O19)2] · 26.5H2O (I) has been synthesized by a diffusion strategy and structurally characterized by IR spectrum, UV spectroscopy, TG analysis, and single crystal X-ray diffraction. Compound I crystallizes in the cubic Pa \(\bar 3\) space group with a = 17.969(8)Å V = 5802.6(4) Å3, Z = 4, R 1 = 0.0383 and wR 2 = 0.1187. Compound I consists of the Lindqvist hexaniobate dimer [CoIIIH5(Nb6O19)2]8− in which the Co3+ cations sare andwiched between and face-shared with two Lindqvist-type [Nb6O19]8− subunits. In situ UV spectra display that compound I can stably exist in an aqueous solution.

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Authors and Affiliations

  1. Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, P.R. China

    P. T. Ma, G. Chen, G. Wang & J. P. Wang

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  1. P. T. Ma
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  2. G. Chen
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  3. G. Wang
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  4. J. P. Wang
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Correspondence to J. P. Wang.

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Ma, P.T., Chen, G., Wang, G. et al. Cobalt—Sandwiched lindqvist hexaniobate dimer [Co(III)H5(Nb6O19)2]8− 1 . Russ J Coord Chem 37, 772–775 (2011). https://doi.org/10.1134/S1070328411090065

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  • DOI: https://doi.org/10.1134/S1070328411090065

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