>> I can process my 3.8 A dataset in either P4 or P422 point groups. >Do the scaling statistics look similar for both? If so, go with P422. >Trying to enforce an incorrect symmetry operator would blow up your stats.
...But in the case of twinning, lower space groups can masquerade as higher ones. I say try out P4 with twin refinement, see how your stats go. JPK -- ======================================================================= All Things Serve the Beam ======================================================================= David J. Schuller modern man in a post-modern world MacCHESS, Cornell University schul...@cornell.edu