Rhenium(I) Tellurolate, Telluroether and Bidentate‐Telluroether Complexes: Crystal Structures of Re(CO)3Br(PhTe(CH2)3TePh), PhTeRe(CO)5 Re2(μ‐SePh)2(CO)8 and [(PhTeMe)Re(CO)5][BF4]

Wen‐Feng ‐F Liaw, Yih‐Chern ‐C Horng, Der‐Shiaw ‐S On, Chin‐Yuan ‐Y Chuang, Chen‐Kang ‐K Lee, Gene‐Hsiang ‐H Lee, Shie‐Ming ‐M Peng

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Abstract

The monomeric rhenium(I) complex with bidentate telluroether ligand Re(CO)3Br(PhTe(CH2)3TePh) (1) was accessible via reaction of the PhTe(CH2)3TePh with Re(CO)5Br. This chelate complex crystallized in triclinic space group \documentclass{article}\pagestyle{empty}\begin{document}$ {\rm P}\bar 1 $\end{document} with a = 9.390(5) Å, b = 10.961(3) Å, c = 11.849(4) Å a = 63.30(3)°, β = 87.49(4)° γ = 69.31(4)°, V = 1009.5(7) Å3 Z = 2, R = 0.033, and Rw = 0.034. Reaction of Re(CO)5Cl with NaTePh yielded the Re(I) specics PhTeRe(CO)5 (2). This complex crystallized in triclinic space group \documentclass{article}\pagestyle{empty}\begin{document}$ {\rm P}\bar 1 $\end{document} with a = 7.085(1) Å, b = 9.203(1) Å, c = 11.341(1) Å, α = 107.24(1)°, β = 100.56(1)°, γ = 96.47(1)°, V = 683.2(2) Å3, Z = 2, R = 0.027, Rw = 0.022. Reaction of PhTeRe(CO)5 and (PhSe)2 in THF at 65 °C yielded a product that was confirmed crystallographically to be the known species Re2(μ‐SePh)2(CO)8 (3), in which two phenylselenolate ligands bridge the two Re(I). Compound 3 crystallized in monoclinic space group P21/n with a = 7.210(2) Å, b = 18.862(6) Å, c = 9.083(3) Å, β = 107.48(3)° V = 1178.2(7) Å3, Z = 2, R = 0.046, and Rw = 0.051. Methylation of PhTeRe(CO)5 with [Me3O][BF4] afforded Re(I) product [(PhTeMe)Re(CO)5][BF4] (4). This monodentate telluroether species crystallized in monoclinic space group P21/n with a = 8.405(1) Å, b = 13.438(3) Å, c = 15.560(2) Å, β = 92.59(1)° V = 1755.5(5) Å3, Z = 4, R = 0.035, and Rw = 0.035.

Original languageEnglish
Pages (from-to)59-65
Number of pages7
JournalJournal of the Chinese Chemical Society
Volume42
Issue number1
DOIs
Publication statusPublished - 1995 Feb

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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