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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 »

  • Publications

    Primary research journals, reference works and monographs of the highest quality

  • Outreach

    Crystallography around the world and its growth through education and capacity-building initiatives

  • Congress

    The most important international conference for structural scientists

  • Support

    Support for conferences, workshops, Visiting Professorships and more

Announcements

  • Crystallographers unite to tackle coronavirus

    With stories about coronavirus dominating the news, we report that crystallographers around the world are making strong contributions to the efforts to find a vaccine and advance therapeutics.

  • IUCr seeks an Executive Secretary (Chief Executive Officer)

    The International Union of Crystallography (IUCr), which is both a global scientific union and a publisher of crystallographic journals and books, seeks an Executive Secretary (Chief Executive Officer) to manage the organisation and to administer its day-to-day operations in Chester, UK.

    The IUCr offers a competitive salary in the range £60,000–£80,000 pa with excellent benefits. To apply for the position please submit a CV, a covering letter detailing your suitability for the post, plus the names of at least two persons who can provide references, to Alex Ashcroft (execsec@iucr.org) by 20 April 2022. Please click here for the full job particulars.

  • IUCr Executive Secretary announces retirement

    Due to ongoing poor health, the IUCr Executive Secretary, Alex Ashcroft, will be retiring in August 2022, and so the IUCr is advertising for a replacement. The job advertisement will be posted in the next few days.

  • IUCr denounces the invasion of Ukraine

    The International Union of Crystallography (IUCr) is greatly dismayed by the invasion of Ukraine and is concerned about its impact for the rest of the world. The IUCr stands in solidarity with the international scientific community as we are concerned for the well-being and life of all Ukrainian people. We stand by their side. The IUCr seeks ways to serve all its members worldwide during this difficult time; it declares its support for the rights and freedoms conveyed in the Universal Declaration of Human Rights for all people.

    The IUCr condemns all wars, and calls for a halt to hostilities and for a peaceful end to this crisis. We have suspended publication fees for our journals for authors based in the Ukraine (for more details contact support@iucr.org).

  • Distinguished Lectures on Quantum Crystallography and Complementary Fields

    The next two online lectures in the monthly series of Distinguished Lectures on Quantum Crystallography and Complementary Fields will be presented on Thursday 3 March 2022 at 16:00 CET.

  • EPDIC17 – important deadlines approaching

    After two postponements caused by the COVID-19 pandemic, the 17th European Powder Diffraction Conference (EPDIC17), along with its satellite meetings, will be held as an in-person event in Šibenik, Croatia, from 29 May to 3 June 2022.

  • Nominations invited

    Nominations are invited for membership of the IUCr Executive Committee and the IUCr Commissions (deadline 30 June 2022).

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


Melbourne, Australia
22-29 August 2023


Regional Associate meetings

ACA2022
Portland, OR, USA
29 July-3 August 2022


AsCA2022
Jeju, Republic of Korea
30 October-2 November 2022


ECM33 Versailles, France
23-27 August 2022


to be announced

IUCr Corporate Associates

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