6533b826fe1ef96bd1283caa
RESEARCH PRODUCT
The Instability of Ni{N(SiMe3 )2 }2 : A Fifty Year Old Transition Metal Silylamide Mystery.
Fernande GrandjeanPhilip P. PowerAimee M. BryanMichelle FaustHeikki M. TuononenGary J. LongAkseli MansikkamäkiMarilyn M. OlmsteadPetra Vaskosubject
Steric effectsmagneettiset ominaisuudetChemistrychemistry.chemical_elementdispersiovuorovaikutusGeneral ChemistryInstabilityCatalysisnikkelikompleksitsilyyliamidiligandisilylamidechemistry.chemical_compoundNickelCrystallographynickelTransition metalmagnetismPyridineOrganic chemistrysteeriset vuorovaikutuksetta116dispersion effectsDerivative (chemistry)steric effectsdescription
The characterization of the unstable Ni(II) bis(silylamide) Ni{N(SiMe3 )2 }2 (1), its THF complex Ni{N(SiMe3 )2 }2 (THF) (2), and the stable bis(pyridine) derivative trans-Ni{N(SiMe3 )2 }2 (py)2 (3), is described. Both 1 and 2 decompose at ca. 25 °C to a tetrameric Ni(I) species, [Ni{N(SiMe3 )2 }]4 (4), also obtainable from LiN(SiMe3 )2 and NiCl2 (DME). Experimental and computational data indicate that the instability of 1 is likely due to ease of reduction of Ni(II) to Ni(I) and the stabilization of 4 through dispersion forces.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2015-09-02 | Angewandte Chemie (International ed. in English) |