Anionic Diversity in Iodobismuthate Chemistry

• Published in: Zeitschrift für anorganische und allgemeine Chemie (1950) Vol. 631; no. 8; pp. 1497 - 1501
• Main Authors: Lindsjö, Martin, Fischer, Andreas, Kloo, Lars
• Format: Journal Article
• Language: English
• Published: Weinheim WILEY-VCH Verlag 01.06.2005; WILEY‐VCH Verlag
• Subjects: Bismuth; Chemistry; Crystal structure; Iodine; Kemi; NATURAL SCIENCES; NATURVETENSKAP
• ISSN: 0044-2313; 1521-3749; 1521-3749
• DOI: 10.1002/zaac.200400559

Three salts containing different iodobismuthate anions have been synthesized. [(CH3)2NH2]3[BiI6] was prepared by oxidation of bismuth by iodine in N,N‐dimethylformamide. [(CH3)2NH2]3[BiI6] crystallizes in the space group ${\rm R}{\bar 3}$ with a = 30.760(3) Å and c = 8.8039(5) Å and contains monomeric [BiI6]3− anions. The hydrate Na4[Bi2I10] · 14H2O was prepared by the oxidation of bismuth using iodine in acetonitrile in the presence of NaI. Na4[Bi2I10] · 14H2O crystallizes in the space group C2/m with a = 12.875(2) Å, b = 16.177(2) Å, c = 9.904(2) Å and β = 106.57(6)°. The structure contains dimeric [Bi2I10]4− anions and rows of sodium ions, with bridging water molecules. The hydrate [Na{(CH3)2NCHO}2(H2O)]3[Bi2I9] was prepared by dissolution of Na4[Bi2I10] · 14H2O in N,N‐dimethylformamide and crystallizes in the space group ${\rm P}{\bar 1}$ with a = 13.2309(13) Å, b = 13.3791(14) Å, c = 18.722(2) Å, α = 70.338(9)°, β = 72.651(9)° and γ = 62.183(5). The structure contains dimeric [Bi2I9]3− anions and cationic polymers,  ∞1[Na{(CH3)2NCHO}2(H2O)]+.