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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.
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AsCA 2025
International Conference of the Asian Crystallographic Association
12/1/2025 - 12/4/2025
International Union of Crystallography IUCr 2026
27th Congress and General Assembly of the International Union of Crystallography (IUCr)
8/11/2026 - 8/18/2026
AsCA 2026
International Conference of the Asian Crystallographic Association
Dates: TBD
International Union of Crystallography IUCr 2029
28th Congress and General Assembly of the International Union of Crystallography (IUCr)
Dates: TBD



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