Step into a New Dimension: Modulation 101

Step into a New Dimension: Modulation 101

X-ray Crystallography
This webinar took place on December 08th 2015

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In this complimentary 45-minute webinar, learn how to identify and handle a (3+1)D modulated structure using APEX 3 and refine the structure using Jana2006. In this session Dr. Danielle L. Gray will explain how to separate the main Bragg reflections from the satellite reflections in the reciprocal lattice viewer, how to find the q vector, and how to properly integrate and scale the data in HKL6 format. A walkthrough of Jana2006 will show how to pick the superspace group, solve the structure and refine the modulation waves. Learn tricks and tips about Jana2006 as you walk through the structure solution process. Find answers to questions like: How do I decide if my structure is commensurate or incommensurate, how many waves can and should I apply, and how do you decide if your structure model is accurate.


Bruce C. Noll, PhD
Senior Applications Scientist X-ray Crystallography Bruker AXS Inc. Madison, WI USA
Danielle L. Gray, Ph.D.
Director of the G.L Clark X-ray Facility University of Illinois Urbana Champaign Urbana, IL