...Even with such primitive techniques, I can remember an HgI4 > derivative in which you could safely refine the "anomalous occupancies" > (i.e. f" values) for the iodine atoms of the beautiful planar HgI3 anion to > 5 electrons.
I am surprised--f"'s of I and Hg are supposed to be around 8 for CuKa (or maybe you weren't using CuKa)? JPK -- ******************************************* Jacob Pearson Keller Northwestern University Medical Scientist Training Program email: j-kell...@northwestern.edu *******************************************
