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. 2018 May 15;47(19):6666-6671.
doi: 10.1039/c8dt01064a.

Three new types of transition metal carboranylamidinate complexes

Tim Rädisch  1 , Nicole Harmgarth, Phil Liebing, Maria J Beltrán-Leiva, Dayán Páez-Hernández, Ramiro Arratia-Pérez, Felix Engelhardt, Liane Hilfert, Florian Oehler, Sabine Busse, Frank T Edelmann
Affiliations

Three new types of transition metal carboranylamidinate complexes

Tim Rädisch et al. Dalton Trans. .

Abstract

Three new types of transition metal carboranylamidinate complexes are reported. The tetranuclear Mn(ii) complex 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)] ([double bond, length as m-dash]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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