Synthesis, thermal stability, crystal structure and optical properties of 1,1′-(1,n-alkanediyl)bis(4-methylpyridinium) bromobismuthates

Two neutral and two acid hybrid 1,1′-(1,n-alkanediyl)bis(4-methylpyridinium) bromobismuthates were prepared by a facile solution method. For the acid compounds, the first stage of mass loss corresponds to the loss of HBr and water molecules, with the formation of stable hybrid decabromodibismuthates...

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Bibliographic Details
Published in:Polyhedron 2017-11, Vol.137, p.122-126
Main Authors: Kotov, Vitalii Yu, Ilyukhin, Andrey B., Simonenko, Nikolai P., Kozyukhin, Sergey A.
Format: Article
Language:English
Subjects:
Bismuth complexes
Crystal structure
Optical band gap
Thermal stability
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Summary:Two neutral and two acid hybrid 1,1′-(1,n-alkanediyl)bis(4-methylpyridinium) bromobismuthates were prepared by a facile solution method. For the acid compounds, the first stage of mass loss corresponds to the loss of HBr and water molecules, with the formation of stable hybrid decabromodibismuthates. [Display omitted] Four hybrid 1,1′-(1,n-alkanediyl)bis(4-methylpyridinium) bromobismuthates, namely (PiC2)2Bi2Br10 (1), PiC4(H5O2)BiBr6·2H2O (2), (PiC5)2Bi2Br10 (3) and (PiC6)2(H5O2)Bi2Br11 (4), were prepared by a facile solution method. The crystal structures of 1 and 3 contain zero-dimensional Bi2Br10 anion units. A 2-D network structure consisting of {H5O2}[BiBr6]·2H2O interconnected by hydrogen bonds was found in 2 and a 1-D network structure consisting of {H5O2}[Bi2Br11] was observed in 4.
ISSN:0277-5387
DOI:10.1016/j.poly.2017.08.016