On the other hand, by considering the formation of the N??H+??...H-????Y DHB complex, where normally N is an electronegative group and Y is a alkali metal (AM) or alkali earth metals (??EM)9-14, some theoretical investigations documented by Grabowski 15 has revealed the existence of H+??...H-????Y DHB complexes formed by Lithium, Sodium, Magnesium, and a different proton acceptor: the methane.