I should have said "not compelling". James
On Oct 17, 2011, at 12:40 PM, James Stroud wrote: >> The programs give me solutions with "reasonable" maps, but it is never >> possible to refine to achieve Rvalues below 0.40. > > This strongly suggests a space group issue. > > If the systematic absences are compelling, you should try to drop it down to > P2 first. Look at your packing in the C222(1). If you change the direction of > one of the coils relative to the other, will it break the orthorhombic > symmetry and drop it to monoclinic? This may provide a clue to the space > group you should try. >
