Does anyone know if REFMAC has any SIGFP cutoff? I looked into manual but perhaps missed it. What I mean is abnormal situation where some FOBS are 0 or even negative - is there any intrinsic cutoff or refinement will be done against all the reflections?
Thanks, Ed. -- Edwin Pozharski, PhD, Assistant Professor University of Maryland, Baltimore ---------------------------------------------- When the Way is forgotten duty and justice appear; Then knowledge and wisdom are born along with hypocrisy. When harmonious relationships dissolve then respect and devotion arise; When a nation falls to chaos then loyalty and patriotism are born. ------------------------------ / Lao Tse /