[Cp(Ar)Ni{Ga(nacnac)}]: An Open-Shell Nickel(I) Complex Supported by a Gallium(I) Carbenoid (Cp(Ar) = C5(C6H4-4-Et)5, nacnac = HC[C(Me)N-(C6H3)-2,6-iPr2]2)

Uttam Chakraborty; Bernd Mühldorf; Niels J C van Velzen; Bas de Bruin; Sjoerd Harder; Robert Wolf

doi:10.1021/acs.inorgchem.5b02979

[Cp(Ar)Ni{Ga(nacnac)}]: An Open-Shell Nickel(I) Complex Supported by a Gallium(I) Carbenoid (Cp(Ar) = C5(C6H4-4-Et)5, nacnac = HC[C(Me)N-(C6H3)-2,6-iPr2]2)

Inorg Chem. 2016 Mar 21;55(6):3075-8. doi: 10.1021/acs.inorgchem.5b02979. Epub 2016 Mar 7.

Authors

Uttam Chakraborty¹, Bernd Mühldorf¹, Niels J C van Velzen², Bas de Bruin³, Sjoerd Harder^{2

4}, Robert Wolf¹

Affiliations

¹ University of Regensburg, Institute of Inorganic Chemistry , D-93040 Regensburg, Germany.
² Stratingh Institute for Chemistry , Nijenborgh 4, 9747 AG Groningen, The Netherlands.
³ University of Amsterdam, van't Hoff Institute for Molecular Sciences , Science Park 904, 1098 XH Amsterdam, The Netherlands.
⁴ Friedrich Alexander University Erlangen-Nürnberg , Inorganic and Organometallic Chemistry, D-91058 Erlangen, Germany.

PMID: 26950831
DOI: 10.1021/acs.inorgchem.5b02979

Abstract

The 17 valence electron (VE) open-shell nickel gallanediyl complex [Cp(Ar)Ni{Ga(nacnac)}] (3, Ar = C5(C6H4-4-Et)5, nacnac = HC[C(Me)N(C6H3-2,6-iPr2)]2), having an unsupported Ni-Ga bond, was synthesized from [Cp(Ar)Ni(μ-Br)]2 (1) by reducing the adduct [Cp(Ar)Ni(μ-Br){Ga(nacnac)}] (2) or, alternatively, trapping the "Cp(Ar)Ni(I)" synthon with Ga(nacnac); spectroscopic and DFT studies showed that the single unpaired electron in 3 resides mainly at the Ni center.

Publication types

Research Support, Non-U.S. Gov't