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Strathprints makes available scholarly Open Access content by the Fraser of Allander Institute (FAI), a leading independent economic research unit focused on the Scottish economy and based within the Department of Economics. The FAI focuses on research exploring economics and its role within sustainable growth policy, fiscal analysis, energy and climate change, labour market trends, inclusive growth and wellbeing.

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Synthesis, structure and theoretical studies of the hydrido inverse crown [K2Mg2(NiPr2)(4)(mu-H)(2)center dot(toluene)(2)] : a rare example of a molecular magnesium hydride with a Mg-(mu-H)(2)-Mg double bridge

Andrikopoulos, P.C. and Armstrong, D.R. and Kennedy, A.R. and Mulvey, R.E. and O'Hara, C.T. and Rowlings, R.B. (2003) Synthesis, structure and theoretical studies of the hydrido inverse crown [K2Mg2(NiPr2)(4)(mu-H)(2)center dot(toluene)(2)] : a rare example of a molecular magnesium hydride with a Mg-(mu-H)(2)-Mg double bridge. European Journal of Inorganic Chemistry, 2003 (18). pp. 3354-3362. ISSN 1434-1948

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Abstract

Reaction of benzylpotassium, n,s-dibutylmagnesium and diisopropylamine in boiling toluene produces a rare example of a molecular magnesium hydride with a Mg-(mu-H)(2)-Mg double bridge, in [K2Mg2(NiPr2)(4)(mu-H)(2).(toluene)(2)] (1). In an effort to rationalise the formation of 1, a series of DFT calculations were performed. This report of 1 establishes the first isostructural pair of Na and K complexes solvated by toluene to be reported in the Cambridge Crystallographic Database. In comparison with its previously reported Na analogue, 2, the metal-arene centroid distances are considerably shorter (by 0.159 Angstrom) in the new complex reported here. It was found that a hydrocarbon solution of 1 is capable of reducing benzophenone to benzhydrol in moderate yields (74%).