MODERATOR NOTE: This is the notebook used in the livestream "MaXrd: A crystallography package developed for research support" on Wednesday, April 19 -- a part of Wolfram R&D livestream series announced and scheduled here: https://wolfr.am/RDlive. Subscribe to @WolframRD on YouTube for more livestreams, exclusive VODs, creator presentations, behind-the-scenes insider videos, and so much more.