Platon’s Addsym - (1 of 2) finding extra symmetry in inorganics and minerals - P1 triclinic starting structure.
Unpublished Mineral Example
- Default Addsym gives C2/C
Tighten the addsym values:
- calc ADDSYM SHELX 1 0.2 0.4 0.2
- addsym gives P 2/c and exact fit on Pc
Loosening defaults:
- calc addsym shelx exact 1 .2 .4 .4
- P-31m