Research Scientific Facilities X-Ray Diffraction Links Useful Websites Elemental X-ray properties (Materials Sciences Division of LBNL) Atomic scattering factors (Uppsala University, Sweden) Compute X-ray absorption (Brian H. Toby, Argonne National Laboratory) Units conversion (The Ganoksin Project) X-ray dynamical diffraction data on the web (by Sergey Stepanov, ANL) X-ray anomalous scattering (Ethan A. Merritt, Biomolecular Structure Center at UW) Bilbao crystallographic server (tools, space groups, databases; Materials Laboratory at UPV/EHU) The space group explorer (CALIDRIS) Crystal LatticeStructures (Center for Computational Materials Science, NRL)