3.69. XTINCT: Extinction from equivalent reflections
| limits | restrictions on reflections to be included in refinement |
| XTINCT | Option | Code | Arg | Def | |
| apply correction to | frel | |F| | |||
| f2rl | F2rel | ||||
| irel | Irel | ||||
| extinction coefficient r* | refx | refine and apply | |||
| appx | r s | apply input r* and  r* | |||
| treat Friedels as equiv. | eqfr | (non-centrosymmetric data) | no | ||
| refine separately for all equiv.s | sall | output to punchfile | no | ||
| include hkl if T equal | incl | no | |||
| print reflections | prin | n | 25 | ||
| apply extinction if r*<0 | negx | no | |||
| data set used | dset | n | 1 | ||
| polarization factor | polf | p | range (0-1) | 0.5 | |
| mosaic distribution factor | case | n | 2 |
