Abstract
The complexation reactions of CuI with the B10H10 2− anion and its protonated form, the B10H11 − anion, were studied in the presence of phenanthridine (9Nphen). Depending on the reaction conditions, positional isomers of the monomeric copper(i) complex [Cu2(9Nphen)4B10H10] were selectively isolated. The closo-decaborate anion in the complexes is coordinated to the Cu(i) atoms through the apical edges 1–2, 7(8)–10 or 1–2, 1–4 via the formation of multicenter CuHB bonds. The crystal structures and IR spectra of the complexes were studied. The compound [Cu2(9Nphen)4B10H10] is the first monomeric complex isolated in the form of the 1–2, 7(8)–10 isomer. It extends the series of positional isomers, which we have described earlier.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1583–1586, August, 2011.
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Dziova, A.E., Avdeeva, V.V., Polyakova, I.N. et al. Boron cluster anions B10H10 2− and B10H11 − in complexation reactions of copper(i). Positional isomers of the complex [Cu2(9Nphen)4B10H10]. Russ Chem Bull 60, 1608–1611 (2011). https://doi.org/10.1007/s11172-011-0240-6
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DOI: https://doi.org/10.1007/s11172-011-0240-6