Twenty-Seventh Congress & General Assembly of the IUCr

The ACA is proud to partner with the CNCC and USNC/Cr to host the 2026 IUCr Congress in the magnificent city of Calgary, located in the heart of Alberta, Canada from August 11th-18th, 2026.  The event will provide a platform for knowledge sharing, networking, and collaboration among scientists. We invite all those interested to express their interest in attending or participating in this conference. 

Renewals & Donations

Dues: Renewing your dues on time each year ensures your ACA membership is continuous.  The renewal notices for 2024 have been issued.  If you did not receive yours, please contact us.  Just a reminder to those on the auto-renewal program, there is no action needed at this time to renew your membership, the card on file will be charged for your dues on December 31, 2023.  If you would like more information on the ACA auto-renewal program, please contact ACA HQ.  

Donations: During renewal you have the opportunity to make a donation to one of our funds or programs.  Read more about the ACA's donation opportunities.  The ACA is a 501(c)(3) non-profit organization and donations are tax-deductible to the full extent allowed by law.

New this year!  When renewing or joining, we kindly invite you to consider making a voluntary donation of $10 to support the US National Committee for Crystallography. This donation is also tax deductible and these funds will go to help defray the cost of dues by the USNCCr to the IUCr.



Banner Image

This year the Nobel Prize in Chemistry went to three scientists for the discover and synthesis of quantum dots.  "Quantum dots are tiny crystals that scientists can tune to different colors, giving an extra-vivid pop to next-generation TV screens or illuminating tumors inside bodies so surgeons can hunt them down."  The banner image (and smaller image below) is that of "Glass tubes with quantum dots of perovskite nanocrystals, luminescing with all colors of the rainbow under ultraviolet radiation".  


The Fall Issue of RefleXions Now Available!

The 2023 Fall issue of RefleXions is now available!  RefleXions newsletters are sent out quarterly and cover topics such as what’s new in the structural science community, upcoming events, member and community spotlights, and program reminders.  This issue features information about the upcoming ACA election, summaries from ACA2024, book reviews and a dedicated segment in honor of Michael James, an esteemed member of the ACA community, recipient of the 2009 Buerger Award, and a dear friend. 



The ACA Meeting of 2023 in Baltimore, Maryland, was a vibrant and informative gathering that brought together over 500 international structural scientists. Held in the historic and charming city of Baltimore, the conference provided a dynamic platform for attendees to engage in meaningful discussions, share their insights, and explore the latest developments in structural science. 

Archived Abstracts
Past Meeting Information
2023 Stats