Synthesis and crystal structure of [C6H5Hg(H2NSiMe3)][H2N{B(C6F5)3}2], a phenyl–mercury(II) cation stabilised by a non-coordinating counter-anion

Sarazin, Y, Wright, J A and Bochmann, M (2006) Synthesis and crystal structure of [C6H5Hg(H2NSiMe3)][H2N{B(C6F5)3}2], a phenyl–mercury(II) cation stabilised by a non-coordinating counter-anion. Journal of Organometallic Chemistry, 691 (26). pp. 5680-5687.

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Abstract

The new heteroleptic mercury(II) complex PhHgN(SiMe3)2(1) reacts with the strong Brønsted acid [H(OEt2)2][H2N{B(C6F5)3}2] with cleavage of a N–Si bond to give [C6H5Hg(H2NSiMe3)][H2N{B(C6F5)3}2] (2), a phenyl–mercury(II) cation stabilised by a primary amine and a non-coordinating counter-anion. Attempts to generate donor-free aryl mercury cations were not successful. The crystal structure of 2 · CH2Cl2 shows short p-bonding interactions between the metal and the phenyl ring of a neighbouring cation; the geometry about the mercury(II) atom is nearly linear. The X-ray structures of the new salts [H2N(SiMe3)2 · H3NSiMe3][B(C6F5)4]2 and [Et3O][H2N{B(C6F5)3}2] · CH2Cl2 are also presented.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
University of East Anglia > Faculty of Science > Research Groups > Synthetic Chemistry
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Depositing User: Rachel Smith
Date Deposited: 12 Apr 2011 14:56
Last Modified: 25 Jul 2018 06:00
URI: https://ueaeprints.uea.ac.uk/id/eprint/29071
DOI: 10.1016/j.jorganchem.2006.09.021

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