Metal Centered commo-Bis(metallaselenaborane): Heterotrimetallic Systems Bearing a Zn(II) Center

Joseph, Benson ; Prakash, Rini ; Dorcet, Vincent ; Roisnel, Thierry ; Halet, Jean-François ; Ghosh, Sundargopal (2020) Metal Centered commo-Bis(metallaselenaborane): Heterotrimetallic Systems Bearing a Zn(II) Center Organometallics, 39 (16). pp. 2942-2946. ISSN 0276-7333

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Official URL: http://doi.org/10.1021/acs.organomet.0c00427

Related URL: http://dx.doi.org/10.1021/acs.organomet.0c00427

Abstract

Thermolysis of an in situ generated intermediate, obtained from the reaction of [Cp*MCl2]2 (M = Rh, Ir) and LiBH4·thf, with Se powder and [Zn(BH4)2] afforded the two unusual heterotrimetallic complexes [(Cp*MB2H3Se2)2(μ4-Zn)] (1, M = Ir; 2, M = Rh), along with [(Cp*M)2B2H2Se2] (M = Rh, Ir; Cp* = η5-C5Me5). Clusters 1 and 2 are distinct due to the presence of a tetracoordinated Zn(II) in the Se4 pocket molded by the Se atoms of two {Cp*MB2H3Se2} units. These clusters belong to a rare class of metal-centered commo-bis(metallaheteroborane) species. The molecular structures of 1 and 2 can be viewed as two arachno-metallaheteroborane subclusters conjoined at the common zinc atom that obey Mingos’ fusion formalism. Both 1 and 2 have been comprehensively characterized by multinuclear NMR, IR, and UV–vis spectroscopy, mass spectrometry, and single-crystal X-ray diffraction techniques. All experimental results are well supported by theoretical studies.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:123772
Deposited On:13 Oct 2021 07:47
Last Modified:13 Oct 2021 07:47

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