On Monday, March 04, 2013 08:37:49 AM John Farell wrote:

I am trying to calculate the value of Chi(k) theoretically. I have taken Fe data. I need the values of scattering amplitude, phase shift at different energies. Where I could get those values ?..

There is ample documentation at http://bruceravel.github.com/demeter/ Hints on how to ask good questions that yield useful answers: http://bruceravel.github.com/demeter/pods/help.pod.html B -- Bruce Ravel ------------------------------------ bravel at bnl.gov National Institute of Standards and Technology Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2 Building 535A Upton NY, 11973 My homepage: http://xafs.org/BruceRavel EXAFS software: http://cars9.uchicago.edu/ifeffit/Demeter