Old way of Space group determination: Difference between revisions

m
no edit summary
No edit summary
mNo edit summary
Line 12: Line 12:
* finally decide on the correct Bravais lattice and point group by comparing R-factors (in particular R_meas), and, from there, come up with possible space groups by looking at the table of systematic absences along the h,0,0 0,k,0 and 0,0,l axes of the diffraction pattern.  
* finally decide on the correct Bravais lattice and point group by comparing R-factors (in particular R_meas), and, from there, come up with possible space groups by looking at the table of systematic absences along the h,0,0 0,k,0 and 0,0,l axes of the diffraction pattern.  


Be aware of the possibility of [http://www.ccp4.ac.uk/dist/html/twinning.html twinning], and of the different, but equivalent ways to index a given diffraction pattern (reindexing)!
Be aware of the possibility of [http://www.ccp4.ac.uk/dist/html/twinning.html twinning], and of the different, but equivalent ways to index a given diffraction pattern ([[reindexing]])!




2,652

edits