It is hard to say without the program output as well, and information about the unit cell. However it seems that you have a three fold axis at 120 degrees to the C2 2fold axis, and 3 other NCS 2-folds perpendicular that 3 fold. It is possible your space group is really H32 - run your data (either as unmerged mtz or unmerged sca file) into pointless and see if it suggests reindexing the C2 data as H32. Eleanor Sampath Natarajan wrote: > Dear All, > > I have a problem in analyze the self rotation function. My crystal is > belongs to C2 space group. According to Mathews calculation, this crystal > shows 7 or 8 molecules in the asymmetric unit. But I couldn't conclude the > number molecules in the A.U. So I calculated the self rotation function > using the program MOLREF. But Still I am not able to interpret the results > using that. Here I'm attaching the figures which I calculated the self > rotation function with different chi angles. Could anyone help me to find > the symmetry of molecules in the A.U? It will be great helping me to solve > the structure. > > Thanking you, > > Sincerely > > Sampath > > > > ------------------------------------------------------------------------ > > > ------------------------------------------------------------------------ >