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Committee on Data (CommDat)

IUCr and Oxford University Press (OUP) Book Series Selection Committee

Gender Equity and Diversity Committee

Outreach Committee

Committee on Electronic Publishing, Dissemination and Storage of Information

Diffraction Data Deposition Working Group (DDDWG)

Committee on Crystallographic Databases

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Principles and Policies

History Over 75 years of advancing structural science

Milestones in IUCr history

The Early History

Aspects of the history of the International Union of Crystallography

60 years of IUCr journals

Previous Executive Committees

Fifty Years of X-Ray Diffraction

Members Adhering bodies and Associates of the Union

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Adhering bodies

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African Crystallographic Association (AfCA)

American Crystallographic Association (ACA)

Asian Crystallographic Association (AsCA)

European Crystallographic Association (ECA)

Latin-American Crystallographic Association (LACA)

Scientific associates

International Centre for Diffraction Data (ICDD)

International Organization for Crystal Growth (IOCG)

Worldwide Protein Data Bank (wwPDB)

Other bodies not belonging to the Union

Committee on Data of the International Council for Science

ISC Committee on Space Research

Interdivisional Committee on Terminology, Nomenclature and Symbols of the International Union of Pure and Applied Chemistry

International Council for Scientific and Technical Information

International Organization for Standards

International Science Council

Commissions Commissions make up the heart of the Union

Commission guidelines

Commission contact table

Commission on Aperiodic Crystals

Commission on Biological Macromolecules

Commission on Crystal Growth and Characterization of Materials

Commission on Crystallographic Computing

Commission on Crystallographic Nomenclature

Commission on Crystallographic Teaching

Commission on Crystallography in Art and Cultural Heritage

Commission on Crystallography of Materials

Commission on Diffraction Microstructure Imaging

Commission on Electron Crystallography

Commission on High Pressure

Commission on Inorganic and Mineral Structures

Commission on International Tables

Commission on Journals

Commission on Magnetic Structures

Commission on Mathematical and Theoretical Crystallography

Commission on XAFS

Commission on NMR Crystallography and Related Methods

Commission on Neutron Scattering

Commission on Powder Diffraction

Commission on Quantum Crystallography

Commission on Small-Angle Scattering

Commission on Structural Chemistry

Commission on Synchrotron and XFEL Radiation

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Bond valence parameters

Electron crystallography data sets

Standard Powder X-ray Diffraction Data Sets

Organic materials for organic structure solution from powder diffraction data

Meetings

CommDat

Public discussion forum

Crystallographic Information Fiesta

Workshop on Data Science Skills in Publishing: for authors, editors and referees

Workshop report

Workshop on MX raw image data formats, metadata and validation

Workshop report

Workshop on Raw diffraction data reuse: the good, the bad and the challenging

Workshop on When should small molecule crystallographers publish raw diffraction data?

DDDWG

Public discussion forum

Workshop at ECM-27, Bergen: August 6 2012

COMCIFS Symposium at ECM-28, Warwick: August 25 2013

Workshop at ECM-29, Rovinj: August 22-23 2015

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Workshop at ACA 2017, New Orleans: May 26 2017

Final report

Online dictionary

Symmetry Font

Awards and Prizes Honouring our structural scientist community

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Struchkov Prize

Bragg Prize

Gjønnes Medal

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Crystallography in Africa

Crystal Growing Competition

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Building Science Capacity in Africa

International Year of Crystallography 2014

Founding of LAAAMP

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Teaching resources

A font for crystallographic symmetry elements

Bragg Lecture 2001

Crystal growing

Introduction to the crystal class models

Introductory note

Make some close-packed rhombic dodecahedra

Polyhedral models

Preface

Space filling

The Power of Powder Diffraction

The analytic theory of point systems

The evolution of synchrotron radiation and the growth of its importance in crystallography

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Workshops

CCP-EM/Diamond Icknield Workshop

9 Nov 2026

Harwell

Workshops

Wellcome-MRC in situ Cryo-ET Workshop 2026

28 Sep 2026

Diamond Light Source (Oxford) and the Astbury Centre (Leeds) and via Zoom

Events in United Kingdom

International Union of Crystallography

Scientific Union Member of the International Science Council (admitted 1947). Member of CODATA, the ISC Committee on Data. Partner with UNESCO, the United Nations Educational, Scientific and Cultural Organization in the International Year of Crystallography 2014.

International Science Council Scientific Freedom Policy

The IUCr observes the basic policy of non-discrimination and affirms the right and freedom of scientists to associate in international scientific activity without regard to such factors as ethnic origin, religion, citizenship, language, political stance, gender, sex or age, in accordance with the Statutes of the International Council for Science.

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