Welcome to the
International Union of Crystallography

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. Read more »


  • Exciting news! The IUCr has a fresh new logo

    The interconnected and modern design embodies our mission to advance structural science globally and empower a thriving structural science community. Read more here.

  • Dieter Schwarzenbach (1936–2024)

    We were saddened to learn of the recent death of Dieter Schwarzenbach, Emeritus Professor at EPFL, Lausanne, Switzerland, at the age of 88. Professor Schwarzenbach was Editor of Acta Cryst. A from 2002 to 2011, and Chair of the IUCr Commission on Crystallographic Nomenclature's Subcommittee on Statistical Descriptors. Read more here.

  • IUCr and ResearchGate announce new partnership for complete journals portfolio

    The IUCr and ResearchGate have announced a new partnership that will drive readership and authorship for IUCr Journals through ResearchGate’s innovative Journal Home offering. “We’re very pleased to be partnering with ResearchGate for the IUCr’s complete portfolio of journals, supporting our goals to ensure high-quality peer-reviewed structural science research reaches the widest possible community,” said Alex Stanley, IUCr CEO. See here for more information.

  • LAAAMP call for 2025 FAST Team applications

    A call for applications for Faculty-Student (FAST) Teams to spend two months during 2025 at participating advanced light sources is now open. Deadline: 31 October 2024. Read more here.

  • International Decade of Sciences for Sustainable Development, 2024–2033

    An important outcome of the International Year of Basic Sciences for Sustainable Development (2022/2023) was the proclamation of the International Decade of Sciences for Sustainable Development (IDSSD; 2024–2033). The IUCr was pleased to support the Year and is now proud to support the Decade, with the IUCr President, Professor Santiago García-Granda, due to attend a meeting of the Steering Committee on 9 February 2024. IDSSD will be formally launched in Colombia in October 2024, and aims to foster a more transdisciplinary approach to problem-solving and a scientifically literate global population. Read more.

The best in crystallographic research

Uniquely among International Scientific Unions, the IUCr publishes its own primary research journals. Acta Crystallographica Sections A–F, IUCrJ, Journal of Applied CrystallographyJournal of Synchrotron Radiation and IUCrData communicate the highest quality peer-reviewed research findings across the many scientific areas to which crystallography is relevant.

Meetings and webinars

[IUCr2026 logo]

27th IUCr Congress

Calgary, Canada; 11-18 August 2026

Regional Associate meetings
Denver, CO, USA
7-12 July 2024

[AsCA logo]
Selangor, Malaysia
1-6 Dec 2024

[ECA logo]
Padova, Italy
26-30 August 2024

Montevideo, Uruguay
23-26 September 2024

IUCr Corporate Associates

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