A "two-state reactivity" scenario has been computationally disclosed for dinitrogen activation by a diniobium tetrahydride. Remarkably, it is revealed that alkali metal cations play a crucial role via alkali···N coordination… Click to show full abstract
A "two-state reactivity" scenario has been computationally disclosed for dinitrogen activation by a diniobium tetrahydride. Remarkably, it is revealed that alkali metal cations play a crucial role via alkali···N coordination interaction, which is capable of decreasing the activation barriers of N-H formation and subsequent H2 elimination in particular. Furthermore, the effect of various alkali metal cations has also been investigated systematically.
               
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