The Preparation and Crystal Structure of [I2]+[Sb2F11]−
- 1 June 1974
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 52 (11) , 2048-2052
- https://doi.org/10.1139/v74-296
Abstract
The crystal structure of the compound I2+Sb2F11− has been determined from three-dimensional X-ray counter data. Crystals are monoclinic with a = 13.283(5), b = 8.314(3), c = 5.571(2) Å; β = 103.75(2)°; V = 579.5 Å3;Z = 2 and Dc = 3.92 g cm−3. The structure has been refined in the space group C2 with a final conventional R factor of 0.055 for 365 independent reflections with I ≥ 3σ(1). The structure consists of discrete I2+ cations and Sb2F11− anions, each with a crystallographic two-fold rotation axis through the center. The I—I bond length is 2.557(4) Å while the Sb—F bridge length is 2.00(1) Å with a bridge angle of 166(3)° in the symmetric anion.Keywords
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