Abstract
Octahedral rhenium cluster complexes of the composition [{Re6(μ3-Q)8}(imz-[1,2-a]py)6]Br2, where Q = S, Se, are obtained by the interaction of Csn[{Re6(μ3-Q8)}Br6] (n = 4 for Q = S; n = 3 for Q = Se) with an excess of imidazo-[1,2-а]pyridine in a sealed glass ampoule at 180 °С within two days. Both compounds are isostructural and crystallize in the trigonal space group \(R\bar{3}\). The crystal structure of the complexes represents three differently directed chains of [{Re6Q8}(imz-[1,2-a]py)6]2+ cations and bromine anions linked with each other by С–H⋯Br⋯H–C hydrogen bonds. The compounds obtained have pronounced luminescence with emission maxima at 652 nm and 678 nm for Q = S, Se respectively.
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The work was supported by RFBR (grant No. 19-73-20109).
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Bardin, V.A., Ivanov, A.A., Konovalov, D.I. et al. CRYSTAL STRUCTURE AND LUMINESCENT PROPERTIES OF RHENIUM CLUSTERS [{Re6(μ3-Q)8}(imz-[1,2-a]py)6]Br2. J Struct Chem 61, 1624–1629 (2020). https://doi.org/10.1134/S0022476620100157
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DOI: https://doi.org/10.1134/S0022476620100157