Gas-phase complexes of Ni2+ and Ca2+ with deprotonated histidylhistidine (HisHis): A model case for polyhistidyl-metal binding motifs
Keywords: Infrared multiple photon dissociation IRMPD spectroscopy; Nickel and calcium-histidylhistidine complexes; Density functional theory computations; Iminolate and charge solvation binding patterns;