Important Dates
August 22, 2011
Open Ceremony.
August 29, 2011
Closing Ceremony.


  • August 2011

    The latest Instructions to arrive to Colegios Mayores are available here.
  • August 2011

    Final Program files are ready to download.

  • class="active"
Second Circular
Updated information in the web page

Aperiodic Crystals for Beginners
Aperiodic Crystals for Beginners
August 31- September 1, 2011
Alcalá de Henares, Madrid, Spain

  • M. de Boissieu (Chair)
  • M. Perez Mato (Co-chair)
  • A. Abakumov
  • G. Chapuis
  • S. van Smaalen

Scientific advisory board:
The IUCr commission on Aperiodic Crystals

Aperiodic crystals (incommensurately modulated phases, incommensurate composite crystals and quasicrystals) are found in many different systems such as minerals, the elements at high pressures, various inorganic compounds, molecular crystals and intermetallics. Their identification is nowadays easier thanks to the steady improvement of instrumentation, modern X-ray and neutron detectors and advanced transmission electron microscopes. The knowledge of the atomic structure of aperiodic crystals is a key point for the understanding of their chemical and physical properties. However, this still remains difficult for the non-specialist. This two-day satellite meeting offers a basic and tutorial introduction to structural analysis of aperiodic crystals. The general concepts of the high-dimensional crystallography will be introduced step by step and they will be applied to a few organic and inorganic materials. A hands-on exercise will be organized for simple examples.

The satellite meeting will take place in Alcalá de Henares, a beautiful historical Spanish city, conveniently located about 30 minutes from the Madrid international airport. Further details can be found on the web site:

Contact person: Marc de Boissieu -
2011 Crystallographic Computing School - Mieres
2011 Crystallographic Computing School - Mieres
August 15-20, 2011
Universidad de Oviedo, Mieres, Asturias, Spain

  • Harry Powell (MRC, UK), Ralf Grosse-Kunstleve (LBNL, USA)
  • Min Yao (Hokkaido University, Japan)
  • Santiago García-Granda (Univ. de Oviedo, Spain)
  • Laura Torre-Fernández, (Univ. de Oviedo, Spain)
  • Laura Roces Fernández, (Univ. de Oviedo, Spain)
  • Ángel Gutiérrez (Univ. de Oviedo,Spain)

The Mieres Crystallographic Computing School will build on the foundations laid by previous schools in Siena (Italy) and Kyoto (Japan). Senior developers of current major initiatives will be available throughout the school for discussions with those who are interested in contributing new software for crystallographic calculations. The school is structured to foster the exchange of ideas via formal lectures, afternoon tutorials, coding challenges and code comparison sessions. Special historical talks will be used to emphasize the ways in which the science of crystallography has been encapsulated in the software, from the early days of computing to the present day.

A major theme of the school will be to harvest the knowledge and experience of senior developers across the whole field, from small angle scattering, powder diffraction, to single crystal methods as implemented in both chemical and macromolecular crystallography. We are aiming for the “cross-pollination of minds” to which Ray Pepinsky referred in his opening address to the inaugural conference on Crystallographic Computing in April 1950.

With help from our sponsors, we hope to keep the registration cost (including accommodation and meals) below 600 € (ca $US 780). We expect to have student bursaries available to reduce the cost further for a limited number of attendees. The number of attendees is limited to 80 students. The registration deadline is July 22, 2011.

Contact person: Harry Powell -
Categorizing Halogen Bonding and Other Noncovalent ...
Categorizing Halogen Bonding and Other Noncovalent Interactions
Involving Halogen Atoms
August 20-21, 2011
Sigüenza, Guadalajara, Spain

Scientific Program Committee:
  • Pierangelo Metrangolo, Chairman (Italy)
  • Giuseppe Resnati, Chairman (Italy)
  • Roberto Marquardt (France)
  • Jane S. Murray (USA)
  • Tullio Pilati (Italy)
  • Giancarlo Terraneo (Italy)
Local Organizing Committee:
  • Guillermo Mínguez Espallargas, Spain
  • Marcos Daniel Garcia Romero, Spain.

Halogen atoms in organic compounds typically can be found at the periphery of molecules. For this reason, they are ideally positioned to be involved in intermolecular interactions. For instance, halogen atoms are common place substituents in drugs and also occur naturally in biological systems.

The term halogen bonding has been introduced for describing any noncovalent interaction involving halogens as acceptors of electron density. The objective of this workshop is to gather several international leaders in the field around the task of giving a modern definition of halogen bonding that takes into account all current experimental and theoretical pieces of information on both gaseous and condensed halogen-bonded systems in chemical and biological systems (IUPAC Project no. 2009-032-1-100);

The Workshop attendance is free and the number of participants is limited to 50.

The following leaders in the field have already accepted to deliver a lecture:
  • Christer Aakeröy (USA)
  • Ibon Alkorta (Spain)
  • Lee Brammer (UK)
  • Duncan W. Bruce (UK)
  • David Bryce (Canada)
  • Gautam R. Desiraju (India)
  • Francesco Devillanova (Italy)
  • Wolf-W. du Mont (Germany)
  • Marc Formigué (France)
  • P. Shing Ho (USA)
  • Pavel Hobza (Czech Republic)
  • Lars Kloo (Sweden)
  • Anthony C. Legon (UK)
  • Peter A. Politzer (USA)
  • Kari Rissanen (Finland)
  • Antonio Togni (Switzerland)
  •  Hiroshi Yamamoto (Japan)

Important Dates:
  • April 15, 2011
    Deadline for registration
  • April 15, 2011
    Deadline for abstracts submission
  • April 15, 2011
    Deadline for bursary applications
  • April 15, 2011
    Deadline for hotel reservation
  • May 15,  2011 
    Notification of abstract acceptance
  • May 15,  2011 
    Notification of bursary award

Second circular workshop (pdf) Registration form (pdf) Hotel reservation form (pdf) Abstract template (doc) Final Scientific Program (pdf) Book of abstracts (pdf)

Further information:
Scientific Secretariat
Online Edition of International Tables for Crystallography...
Online Edition of International Tables for Crystallography: databases
and applications of space groups and their symmetry relations
August 31 - September 3, 2011
Bilbao, Basque Country, Spain

Local Organizing Committee:
  • Gotzon Madariaga (Chair)
  • Mois I. Aroyo
  • Josu lgartua
  • Emre Tasci
  • Gemma de la Flor

The workshop is organized by the Department of Condensed Matter Physics (Universidad del País Vasco, Spain) and the Commission on Mathematical and Theoretical Crystallography of IUCr. It is supported by the Commission of International Tables of lUCr.

The aim of the workshop is the introduction to the current state and the future developments of the new Online Edition of International Tables for Crystallography, Vol. A: Space-group symmetry, and Vol. A1: Symmetry relations between space groups. The new web server provides an excellent on-line tool for the study of crystallographic symmetry and its applications. It gives access to databases with symmetry information on crystallographic groups (plane, space and subperiodic). The available software includes computer tools for the study of group-subgroup relations between space groups (e.g. subgroups and supergroups, coset decompositions, splitting of Wyckoff positions). Possible applications of the available databases and computer tools related to specific  problems of solid-state physics and chemistry as magnetic symmetry, phase transitions, structural pseudosymmetry, relations between crystal structures, etc., form an important part of the workshop program. The workshop aims at giving the necessary background and practical skills for an efficient use of the online databases and programs on the new web server of International Tables for Crystallography.

  • Nicola Ashcroft (lUCr-Chester, UK)
  • Daniel Litvin (Reading, USA)
  • Massimo Nespolo (Nancy, France)
  • J Manuel Perez-Mato
  • Gotzon Madariaga
  • Mois I. Aroyo (Bilbao, Spain)
Contact person:

Further details
can be found on the web site:
2011 International School on Charge Density – Theory and Practice
2011 International School on Charge Density – Theory and Practice

August 30 – September 4, 2011

Zaragoza University Residence, Jaca, Huesca (Spain)



  • Dr. Pilar García Orduña (CSIC – University of Zaragoza, Spain) (

Charge density determination through accurate high order X-ray and polarized neutrons diffraction experiments is a powerful method to get a detailed description of the chemical and physical properties of molecules and materials. This approach has become quite accessible for organic and first row transition metals complexes employing user-friendly software. This school will cover all the aspects of the methods, from data collection procedures to the analysis of derived properties. Extension to proteins and heavy atoms will also be discussed. Tutors of the school are all well known specialists in the area (see below) and main software authors will attend the school to demonstrate their programs. Software training will be extensively provided to the participants.

The school will be held in Jaca (Spanish Pyrenees), with a scientific programme having a total of 32 teaching hours, distributed equally between theory and practice. Thanks to the collaboration of our sponsors, the registration fee (PDF, DOC) is reasonably cheap, 270 €, including half board and accommodation (shared double room) in the university residence where all tutors will also stay. There will be a limited number of grants for students or young scientists to reduce the registration fee (120 €).  Optionally, the organization could also arrange your travel from/to Madrid at a convenient extra-cost. The number of attendees is strictly limited to 50 persons. The school is supported by the IUCr Commission on Charge, Spin and Momentum Densities.

See the full_information file to get additional details of the school or contact the School Secretary to solve any specific question  (Dr. Pilar García Orduña,

School Tutors

  • Robert H. Blessing (Hauptman-Woodward Institute, Buffalo, USA)
  • Philip Coppens (University of New York at Buffalo, Buffalo, USA)
  • Slawomir Domagala (University of Warsaw, Warsaw, Poland)
  • Geor Eickerling (University of Augsburg, Augsburg, Germany)
  • Pilar García Orduña (ICMA, CSIC-UZ, Zaragoza, Spain)
  • Benoit Guillot (Université Henri Poincaré, Nancy, France)
  • Christian Jelsch (CNRS, Nancy, France)
  • Anna Krawczuk (University of Berne, Berne, Switzerland)
  • Fernando J. Lahoz (ICMA, CSIC-UZ, Zaragoza, Spain)
  • Claude Lecomte (Université Henri Poincaré, Nancy, France)
  • Piero Macchi (University of Berne, Berne, Switzerland)
  • Anders O. Madsen (University of Copenhagen, Copenhagen, Denmark)
  • Chérif F. Matta (Mount Saint Vincent University, Halifax, Canada)
  • Masaki Takata (SPring8, Harima, Japan)
  • Hiroshi Tanaka (Shimane University, Shimane, Japan)


School_full_informationSchool_programme School_registration_form (PDF) School_registration_form (DOC)
Crystallography of Hispano-Islamic Ornamental Art...
Crystallography of Hispano-Islamic Ornamental Art: Visit to the Alhambra
in Granada
August 30 - September 1
Granada, Spain

This event is proposed by the CrysAC “Crystallography in Art and Cultural heritage” IUCr commission; the lead person for its contents is Prof. Emil Makovicky, University of Copenhagen.

The palace complex of the Alhambra in Granada (Andalusia) is the most comprehensive collection of Hispano-Islamic ornamental art at its peak development and offers examples spanning a wide range from plane groups of symmetry to quasilattices. The two-day excursion from Madrid will present and analyze ornamental patterns based on simple plane groups, dichroic plane groups, analysis of Islamic approach to polychromatic patterns, the use of layer groups and 1-D groups, the conscious combinations of different symmetry principles in one pattern and, finally, two-dimensional decagonal and octagonal quasicrystalline patterns. An afternoon session with presentations and discussion will precede the in situ study of the ornaments the following day.

For more information and formalize registration see or contact directly with Emil Makovicky,

This experience, together with the M.C. Escher "Infinite Universes" exhibition in Granada (Spain) Parque de las Ciencias and the Chapel of the Palace of Charles V in Alhambra, could be an excellent opportunity to attend two unforgettable events in the same occasion.

Excursion to the Alhambra (PDF)

This is an archive of the official website for the IUCrXXI Congress at Madrid in 2011. Some images and text may be missing and some links no longer work.