Selective encapsulation of lithium ion by the new azacage 5,12,17,trimethyl-1,5,9,12,17-penta-azabicyclo[7.5.5]nonadecane (L). Thermodynamic studies and crystal structures of the lithium complex [LiL][BPH4] and of the monoprotonated salt [HL][Cl]·(H2O)3 | Publicación