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

Please, take into account the following important dates:

Deadline for submission of Bursary Applications:
March 15, 2011
Deadline for Abstracts submission:
April 28, 2011
Extended abstract submission:
May 4, 2011



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.