Commission on Crystallography in Art and Cultural Heritage

A001. Artists Materials and their Spontaneous Degradation

A002. Crystallographic Approaches to Study Cultural Heritage

Commission on Aperiodic Crystals

A003. Composite and Incommensurate Modulated Crystals: Structural and Physical Properties

A004. Structure, Modelling and Properties of Quasicrystals

Commission on Biological Macromolecules

A005. Sample Preparation

A006. Reproducibility and Structure Quality

A007. Structural Biology in the Fight Against Infectious Diseases

A008. Biomolecules for a Sustainable Future

A009. Use and Comparison of Predicted Models from Primary Sequence in Structural Biology

A010. Deep Learning & Artificial Intelligence in Structural Biology

A011. Validation of Biological Macromolecular Structure

A012. Integrative Methods Applied to Structural Biology

A013. Rapid Response Toward Biomedical Threats

A014. Databases and Data Management

A015. Structures of Very Large Assemblies

A016 .Structure-based Drug Design

A017. Enzyme Mechanisms and Regulation

A018. Viruses

A019. Structural Immunology

Commission on Crystallographic Computing

A020. Modern Statistical Tools and Computational Methods in Structure Determination

A021. Computing in Fragment Screening

A022. Computing Intermolecular Interactions

A023. Comparing Crystal Structures and Data

A024. New Software in Powder Diffraction

Commission on Crystallographic Teaching

A025. Diffraction Science in Virtual/Remote Settings – Remote Access to Instrumentations

A026. Crystallographic Education – Building Community in the 21st Century

A027. Teaching Crystallographic Symmetry for Materials Science

Commission on Diffraction Microstructure Imaging

A028. Insights from 3D Diffraction Microstructural Imaging of in-situ Deformation of Engineering Alloys

A029. Grain Boundary and Intergranular Phenomena Investigated by Diffraction-based Microstructural Imaging Methods

A030. Multigrain Crystallography, Multicrystal Indexings, and Microstructures in High Pressure Experiments

Commission on Electron Crystallography

A031. Advances in Electron Crystallography Methods for Solving Crystal Structures

A032. Mapping Atomic Scale Structure Using Electron Diffraction and Imaging

A033. Crystallography of Aperiodic Structures and their Approximants

A034. Quantifying the Electrostatic Potential with Accurate Electron Diffraction Studies

A035. Multimodal approaches to interfaces, defects and thin films

A036. Combining Electron and X-ray Crystallography for Structure Characterization

A037. Imaging of nanoscale magnetic order near interfaces and other defects

A038. Crystallography of Nanocrystalline Porous Materials

A039. New Approaches to the Crystal Structure of Pharmaceutics and Macromolecules

A040. Crystal Structure of Functional Materials

Commission on Crystal Growth and Characterization of Materials

A041. Crystal Growth for Emerging technologies - from Medicine to Semiconductors

A042. Quantum Materials

A043. Crystal Growth and Characterization of Biominerals and Biomimetics

Commission on High Pressure

A044. High-pressure Quantum Crystallography

A045. Using High-pressure Diffraction to Design and Understand Functionality

A046. Diffraction Studies in Dynamic Compression Experiments

Commission on Inorganic and Mineral Structures.

A047. Crystallography in Space Research

A048. Functionality from Broken Inversion Symmetry

A049. Crystallography of Solid-state Ionic Conductors

A050. Complex Structures of Minerals and Inorganic Materials

A051. Applied Mineralogy and Sustainability

A052. Year of Mineralogy

Commission on Magnetic Structures

A053. Magnetic Symmetry and its Applications

A054. Methods for the Determination and Analysis of Magnetic Structures for Powders and Single Crystals

A055. Diffuse Scattering Analysis of Short Range Crystal and Magnetic Order

A056. Magnetic Order in Aperiodic Systems

A057. Crystal and Magnetic Structures of Novel Perovskites

A058. New Phenomena and Applications in Molecular Magnets

A059. Van der Waals Magnetism in Powders and Single Crystals

A060. In memoriam of Igor Dzyaloshinskii and Sergey V. Maleyev: Antisymmetric Exchange, Magnetic Chirality, from Helimagnets to Topological Spin Textures

A061. Magnetism in Topological Materials

A062. Geometrically-frustrated Magnetism

Commission on Crystallography of Materials

A063. Crystal Structure Prediction

A064. New Opto-electronic Functional Materials

Commission on Mathematical and Theoretical Crystallography

A065. Different Approaches to Comparing Crystal Structures in Massive Datasets

A066. Subperiodic Symmetry Groups and their Applications

A067. Crystallographic Symmetry and its Application in Material Science

Commission on NMR Crystallography and Related Methods

A068. NMR Crystallography Approaches to Biomolecular Structure Determination

A069. Structural chemistry at the interface of diffraction, nuclear magnetic resonance and other spectroscopic and computational tools

A070. Polymorphism, Functional Materials and Structural Transformations: Understanding Properties and Disorder

Commission on Neutron Scattering

A071. Polarised Neutrons - Future Directions

A072. Understanding Energy System Processes and Function

A073. Transient Phenomena and in Operando Experiments and Modelling

A074. Methods for the Determination and Analysis of Magnetic Structures

Commission on Powder Diffraction

A075. Total Scattering Studies of Disordered Materials

A076. In-situ Studies of Materials Synthesis and Crystal Growth

A077. Phase Transitions

A078. What Every Crystallographer Should Know About Powder Diffraction

A079. Dealing with the Data Deluge

A080. Industrial and Engineering Powder Diffraction

Commission on Quantum Crystallography

A081. Advances in Quantum Crystallography

A082. Materials Properties by Quantum Crystallography

A083. Quantum Crystallography Challenges and Opportunities for Magnetic Materials

A084. Structural chemistry (r)evolution by quantum crystallography

A085. Quantum Approaches in Biocrystallography

Commission on Small-Angle Scattering

A086. SANS for Biomolecular Function and Cellular Organization

A087. Simultaneous Small-angle Scattering of Soft Materials During Deformation: Recent Developments in rheoSAS and in Operando Deformation

A088. Lipid Self-assembly and the Design of Lipidic Materials

A089. Coherent scattering methods using X-rays or electrons

A090. Biomolecular SAS and Integrative methods: Standards and Validation

A091. Advanced Characterization of Additive Manufacturing using Synchrotron and Neutron Scattering Methods

A092. Scattering methods for Structural Elucidation in Food Systems

Commission on Structural Chemistry

A093. Nucleation and Crystal Growth

A094. Crystal Engineering Applications to Pharmaceuticals

A095. Dynamic Aspects of Crystals

A096. Progress and Application of Bond Valence Method

A097. Applications of Neutron Diffraction for Chemical Crystallography

A098. Postsynthetic modification of crystals

A099. Optically and Electronically Active Materials

A100. The Arsenal of Supramolecular Interactions for Crystal Engineering

A101. Organic-inorganic Hybrid Materials

A102. Landscapes, Hills and Valleys: A World of Crystal Forms

A103. Mechanochemistry Meets Crystal Engineering

A104. Structural databases in materials development

A105. Stimuli-responsive Crystals

A106. Crystallography for the Next Generation: Innovation, Equity, Diversity and Inclusion

A107. Design and application of porous materials

Commission on Synchrotron and XFEL Radiation

A108. X-ray Ptychography: Recent Developments and Applications

A109. Data-Driven Science: Current Status and Outlook

A110. Room-temperature Serial Snapshot Micro-crystallography: Highlights from XFELs and Synchrotrons

A111. In Vivo Crystallography and Synchrotron Radiation

Commission on XAFS

A112. X-ray Imaging and Spectroscopy in Life Sciences

A113. Materials for Advanced Energy Technologies

A114. New Opportunities in X-ray Spectroscopy at Ultra Low Emittance Synchrotron Sourcess

A115. Applications of Machine Learning to X-ray Spectroscopy and Scattering

A116. Dynamical processes and transient structures underlying energy conversion: x-ray spectroscopies from fs to μs

A117. Putting Pressure on Complementary X-ray Spectroscopy and Scattering Methods

Committee on Data

A118. Raw Diffraction Data Reuse: Warts and All

A119. Interoperability of Crystallographic Data and Databases

International Union of Crystallography

A120. 75th Anniversary