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Three new types of transition metal carboranylamidinate complexes

Abstract

Three new types of transition metal carboranylamidinate complexes are reported. The tetranuclear Mn(II) complexes Mn4Cl6[(o-C2B10H10)C(NiPr)(NHiPr)]2(THF)4•THF (2) was prepared by treatment of anhydrous MnCl2 with Li[(o-C2B10H10)C(NiPr)(NHiPr)] (= Li[HLiPr]) in THF, while the analogous reaction with FeCl2 afforded ionic [Li(DME)3][FeCl2{(o-C2B10H10)C(NiPr)(NHiPr)}] (3). The dinuclear Mo(II) complex Mo2[(o-C2B10H10)C(NiPr)-(NHiPr)]2(OAc)2•2THF (4), obtained from Mo2(OAc)4 and 2 equiv. of Li[HLiPr], represents the first example of a M–M multiple bond stabilized by carboranylamidinate ligands. All title compounds were structurally characterized by single-crystal X-ray diffraction. The M-M bonding in compound 4 has been further elucidated through Complete Active Space Self Consistent Field (CASSCF) calculations.

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Publication details

The article was received on 19 Mar 2018, accepted on 12 Apr 2018 and first published on 13 Apr 2018


Article type: Communication
DOI: 10.1039/C8DT01064A
Citation: Dalton Trans., 2018, Accepted Manuscript
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    Three new types of transition metal carboranylamidinate complexes

    F. T. Edelmann, T. Rädisch, N. Harmgarth, P. Liebing, M. J. Beltrán Leiva, R. Arratia-Perez, D. Paez-Hernandez, F. Engelhardt, L. Hilfert, F. Oehler and S. Busse, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT01064A

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