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DOI: 10.1039/A805908J (Paper) Reference Section for: Chem. Commun., 1998, 2463-2464

An organotemplated vanadium(IV) borate polymer from boric acid ‘flux’ synthesis, [H2en]4[Hen]2[V6B22O53H8]·5H2O

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Ian D. Williams, Mingmei Wu, Herman H-Y. Sung, X. X. Zhang and Jihong Yu

Abstract

A new 1-D inorganic chain polymer [H2en]4[Hen]2[V6- B22O53H8]·5H2O, consisting of [V6B20O50H6] cluster subunits linked together through diborate bridges, has been synthesised with high yield and purity by a molten boric acid ‘flux’ method in which V2O5, en and H3BO3 (1 : 6 : 25) were heated together at 180 °C for 3 days; the clusters have a central band of six square-pyramidal VIV[double bond, length half m-dash]O vanadyl groups, which are capped top and bottom by two raft-like polyborate ligands of formula [B10O16H3].

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