l-Histidinium iodide

Abstract

In the title salt, C6H10N3O2+·I−, the cation is protonated at the imidazole ring and the amine group and deprotonated at the carboxylate group. The crystal packing features N—H...O and N—H...I hydrogen bonds.

Keywords

• crystal structure
• L-histidine
• zinc metabolism
• antimicrobial activity
• intermolecular hydrogen bonds