Novel three-co-ordinate rhodium(I) hydrido-compounds, [RhH(PBut 3)2] and [RhH{P(cyclohexyl)3}2]

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Abstract
The rhodium(I) hydrido dinitrogen complexes trans-[RhH(N2)(PBut 3)2] and [{trans-RhH[P(cyclohexyl)3]2}2(µ-N2)], prepared by reducing RhCl3·3H2O with Na–Hg in the presence of the appropriate phosphine, dissociate the co-ordinated dinitrogen to give novel three-co-ordinate complexes RhHL2.