The American Union of Crystallography

The AUC brings together crystallographers across broad spectrums of fields and promotes the intellectual vigor and diversity of the crystallographic community through activities and issues in interdisciplinary research, research resources and facilities, education and travel support, Crystallographic databases, and publication standards and ethics.

Committees Newsletter Resources

The American Union of Crystallography represents U.S. crystallographers in the International Union of Crystallography (IUCr). The IUCr strives to promote international cooperation and publication in crystallography; to facilitate standardization of methods, units, nomenclatures and symbols; and to form a focus for the relations
of crystallography to other sciences.

The photo above depicts a fragment of the world largest molecular structure model (NaCl).

27th Congress and General Assembly
of the IUCr in Calgary, Canada

The 2026 IUCr Congress in Calgary Canada was jointly hosted by the American Union of Crystallography, the Canadian National Committee for Crystallography, and the American Crystallographic Association.