The IUCr is an International Scientific Union. Its objectives are to promote international cooperation in crystallography and to contribute to all aspects of crystallography, to promote international publication of crystallographic research, to facilitate standardization of methods, units, nomenclatures and symbols, and to form a focus for the relations of crystallography to other sciences.
IUCr2026
On behalf of the International Union of Crystallography, we cordially extend our warmest invitation to you to join the IUCr for the 27th Congress and General Assembly, in Calgary, Alberta, Canada, from 11 to 18 August 2026.