American Crystallographic Association

American Crystallographic Association ACA promotes interactions among scientists who study the structure of matter at atomic (or near atomic) resolution. www.amercrystalassn.org
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The objective of the ACA is to promote interactions among scientists who study the structure of matter at atomic (or near atomic) resolution. These interactions will advance experimental and computational aspects of crystallography and diffraction. Understanding the nature of the forces that both control and result from the molecular and atomic arrangements in matter will help shed light on chemical interactions in nature and can therefore lead to cures for disease.

⏰ Today’s the Day!Early registration ends today—don’t miss your chance to secure the discounted rate IUCr2026. Join us a...
05/05/2026

⏰ Today’s the Day!

Early registration ends today—don’t miss your chance to secure the discounted rate IUCr2026. Join us and be part of an incredible program, engaging sessions, and a global community. Canadian National Committee for Crystallography International Union of Crystallography (IUCr)

Register now before it’s too late: www.iucr2026.org

Join us today at 5:00 PM ET for a joint Neutrons, Materials, and Powder SIG meeting!This is a great chance to connect wi...
04/22/2026

Join us today at 5:00 PM ET for a joint Neutrons, Materials, and Powder SIG meeting!

This is a great chance to connect with colleagues, share ideas, and be part of the conversations shaping what’s ahead. We’d love to see you there!

https://www.amercrystalassn.org/

SIG meetings begin this week! ACA members, log in to the Member Landing Page to access the schedule and make plans to jo...
04/20/2026

SIG meetings begin this week! ACA members, log in to the Member Landing Page to access the schedule and make plans to join the conversations shaping the 2027 scientific program! First up: Canadian Division! Canadian National Committee for Crystallography

Dr. Ahmed Zewail, Egyptian-born American scientist, used ultrafast X-ray and electron crystallography to capture chemica...
04/02/2026

Dr. Ahmed Zewail, Egyptian-born American scientist, used ultrafast X-ray and electron crystallography to capture chemical reactions as they happened, something the scientific world didn't think was possible.

This Arab American Heritage Month, the ACA celebrates a man who didn't just advance crystallography. He changed what we thought we could see. 🔬

Today’s the day! 🎉Know someone doing amazing work in the crystallographic community? Help us celebrate them by submittin...
04/01/2026

Today’s the day! 🎉

Know someone doing amazing work in the crystallographic community? Help us celebrate them by submitting a Fellows or Award nomination: https://www.amercrystalassn.org/

Recognition starts with you—don’t miss the deadline!

03/30/2026

🎉 Good news, IUCr2026 community.

Due to an overwhelming interest in attending the Congress, we're extending early bird registration to April 17. If you've been on the fence, this is your sign. Lock in your discounted rate before it's gone for good.

👉 Register now: https://event.fourwaves.com/iucr-2026/registration

Final Reminder: Bursary/Travel Grant Deadline TomorrowThe deadline to apply for travel grants is tomorrow. If you’re pla...
03/30/2026

Final Reminder: Bursary/Travel Grant Deadline Tomorrow

The deadline to apply for travel grants is tomorrow. If you’re planning to attend the IUCr2026 Congress and haven’t applied yet, be sure to submit your application in time.

https://event.fourwaves.com/iucr-2026/pages/b64022f8-0494-4478-b60e-41f7e25c74d0

Please feel free to share this opportunity—especially with faculty who can pass it along to students and early-career researchers who may benefit.

The ACA IS accepting nominations for Awards and Fellows recognizing outstanding contributions to through , , , and ...
03/13/2026

The ACA IS accepting nominations for Awards and Fellows recognizing outstanding contributions to through , , , and .

📅 Deadline: April 1

Take a moment to recognize a deserving colleague and help celebrate excellence in our community. Find Out More: www.amercrystalassn.org

📣 IUCr2026 Abstract Deadline Extended!We’ve extended the abstract submission deadline to February 22 at 11:59 PM ET.If y...
02/16/2026

📣 IUCr2026 Abstract Deadline Extended!

We’ve extended the abstract submission deadline to February 22 at 11:59 PM ET.

If you’ve been meaning to submit, now’s your chance! We encourage you to share your latest research and be part of an exciting scientific program.

Don’t wait — submit today: www.iucr2026.org

The deadline for oral abstract consideration is approaching.If your abstract isn’t in yet, now is the time.Don’t wait — ...
02/14/2026

The deadline for oral abstract consideration is approaching.

If your abstract isn’t in yet, now is the time.
Don’t wait — submit today: www.iucr2026.org

Help us build an outstanding and globally representative scientific program.

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200 John James Audubon Parkway Suite 102
Buffalo, NY
14228

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+17168988692

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