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Crystals 2011, 1(4), 220-228; doi:10.3390/cryst1040220

(B15c5)BiI3(I2): Molecular Benzo-15-Crown-5―BiI3 Complexes Bridged by Iodine Molecules to Chains

Department für Chemie, Universität zu Köln, Greinstraße 6, D-50939 Köln, Germany
Fakultät für Chemie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
Author to whom correspondence should be addressed.
Received: 23 August 2011 / Revised: 8 October 2011 / Accepted: 21 October 2011 / Published: 24 October 2011
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The reaction of bismuth triiodide with iodine and benzo-15-crown-5 in ethanol/dichloromethane yielded red single crystals of (b15c5)BiI3(I2) (monoclinic, P21/c (no. 14), a = 1376.9(1), b = 1172.7(1), c = 1700.2(2) pm, b = 115.197(6), V = 2484.1(4)·106 pm3, Z = 4). Neutral pseudo-octahedral complexes (b15c5)BiI3 are connected by secondary bonding interactions via iodine molecules to chains. Electronic structure calculations of the neutral complex (b15c5)BiI3 reveal that the compound can indeed be described as b15c5 interacting with a molecular BiI3 unit. However, bonding has to be mainly electrostatic as the interactions of the bismuth 6s lone pair with the 2p orbitals of the oxygen atoms of the crown ether are clearly antibonding. View Full-Text
Keywords: bismuth; iodine; crown ether; crystal structure; chemical bonding bismuth; iodine; crown ether; crystal structure; chemical bonding

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Fiolka, C.; Richter, M.; Pantenburg, I.; Mudring, A.-V.; Meyer, G. (B15c5)BiI3(I2): Molecular Benzo-15-Crown-5―BiI3 Complexes Bridged by Iodine Molecules to Chains. Crystals 2011, 1, 220-228.

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