| EXPAND | Option | Code | Arg | | Def |
| | expansion extent | cell | n | fill n cells | 1 |
| | contract to independents | not | | | |
| | site overlap tolerance | tolc | d | separation d
in Angstroms | 0.1 |
| | move atoms within tolerance to special sites | stolc | d | distance d
in Angstroms | 0.4 |
| | atom name strip | nost | | don't strip symm from name | |