From: SMTP%"sianc.davies@bbsrc.ac.uk" 19-OCT-2000 12:47:33.10 To: cockcroft@gordon.cryst.bbk.ac.uk CC: Subj: PROJECT Dear Jeremy, I have tried refineing data set B with isotropic thermal parameters, but the refinement is still unstable. To get a profile, I have only used one cycle of refinement with the scale factor being refined. I have enclosed my input file - could you try running the refinement and, if it works, tell me what to do? Sian [Text file attachment]