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Technetium Complexes with Arylselenolato and Aryltellurolato Ligands

Abstract

Reactions of (NBu4)[TcOCl4] or [TcCl3(PPh3)2(CH3CN)] with in situ-prepared lithium arylselenolates and -tellurolates give square-planar (NBu4)[TcVO(ArE)4] (E = Se, Te; Ar = phenyl) and trigonal bipyramidal [TcIII(ArE)3(PPh3)(CH3CN)] (E = Se, Te; Ar = phenyl, 2,6-Me2phenyl, mesityl) complexes, respectively. The products contain square pyramidal (Tc(V) compounds) and trigonal bipyramidal (Tc(III) complexes) coordinated technetium atoms. Density Functional Theory calculations indicate that the Tc-chalcogen bonds in the Tc(III) compounds have greater bond order and more directional character than in the Tc(V) compounds.

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Publication details

The article was accepted on 15 Jun 2017 and first published on 15 Jun 2017


Article type: Paper
DOI: 10.1039/C7DT02041D
Citation: Dalton Trans., 2017, Accepted Manuscript
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    Technetium Complexes with Arylselenolato and Aryltellurolato Ligands

    B. Noschang Cabral, L. Kirsten, A. Hagenbach, P. C. Piquini, M. Patzschke, E. Lang and U. Abram, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT02041D

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