Hydride encapsulation in s-block metal inverse crown chemistry

A new category of 'inverse crown' complex has been established through the synthesis of the disodium-dimagnesium diisopropylamide [Na2Mg2{N(Pr-i)(2)}(4)(mu-H)(2).(toluene)(2)], the first such complex to exhibit hydride encapsulation, a non-planar octagonal 'host' ring or solvent stabilisation.