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 »


  • 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.

  • Alex Stanley appointed IUCr Chief Executive Officer

    This week we warmly welcome Dr Alex Stanley into the IUCr fold. Dr Stanley has accepted the position of IUCr Chief Executive Officer, and will succeed Dr Alex Ashcroft, IUCr Executive Secretary, who retires at the end of August 2022. Dr Stanley, former Head of Corporate Marketing at Rigaku Corporation, holds a PhD in Chemical Crystallography and has been a long-time supporter of the IUCr. In this new role, she will lead the organisation in its daily administrative duties whilst nurturing its loyal community and ensuring that the legacy of the last 75 years reflects the modern scientific community of today.

  • Call for nominations for the thirteenth Ewald Prize

    It is that time in the cycle when the IUCr invites your nominations for the Ewald Prize for outstanding contributions to the science of crystallography. Nominations for the thirteenth Prize, which will be presented at the Melbourne Congress in August 2023, should be submitted by 31 August 2022.

  • Mineralogy 2022 opens in Lyon

    Building on the successes of recent International Years that have celebrated basic sciences [e.g. Chemistry 2011; Crystallography 2014 (IYCr2014); Light 2015; Periodic Table of Chemical Elements 2019], the UNESCO-approved International Year of Basic Sciences for Sustainable Development 2022 (IYBSSD2022) was launched in early July 2022. Now, hot on its heels, today sees the launch of Mineralogy 2022, a global initiative to highlight the importance of mineralogy as a basic fundamental science.

  • Jill Trewhella wins 2022 Guinier Prize

    We are delighted to announce that Jill Trewhella (University of Sydney, Australia) is the recipient of the 2022 Guinier Prize. The award recognises Professor Trewhella's achievements, positive influence and strong contributions to the thriving field of small-angle scattering.

  • Temporary job opportunities for scientists fleeing Ukraine

    Within the first month of the Russian invasion of Ukraine, thousands of scholars fled the country. The global scientific community reacted quickly and created numerous opportunities in their institutions and labs. In March 2022, the crowd-funded initiative #ScienceForUkraine collected more than 1500 offers of support from 50 countries, with the potential to help more than 3000 displaced Ukrainian scholars. If you are affected, please see the list of opportunities here.

  • 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).

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 2023 logo]

26th IUCr Congress

Melbourne, Australia
22-29 August 2023

Regional Associate meetings
Portland, OR, USA
29 July-3 August 2022

[AsCA logo]
Jeju, Republic of Korea
30 October-2 November 2022

[ECA logo]
ECM33 Versailles, France
23-27 August 2022

to be announced

IUCr Corporate Associates

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