| CIFIO | Option | Code | Arg | | Def |
| | dictionary checks | dict | | enter cifdic and apply checks | |
| | processing mode | cifin | | convert a .cif file to a bdf | |
| | | cifout | | convert a bdf to a .cif file | |
| | | arcout | | convert a bdf to an .arc file | |
| | | arcin | | convert an .arc file to a bdf | |
| | CIF struct. factors | sfac | | output requested sf data to cif file | |
| | | nsfac | | do not output sf data to cif file | |
| | | scale | | scale measured sf data for cif file | |
| | | nscal | | do not scale sf data for cif file | |
| | | corr | | correct measured sf for extinction | |
| | | ncorr | | no correction of extinction effects | |
| | data set number | dset | n | | 1 |
| | Acta Cryst. | bcheck | | bond checking option
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