(Return link to main list of space groups in standard settings.)
| (a). P 4 / n b m with origin at 422. |
| (b). P 4 / n b m with origin at 2/m and 422 at 1/4,1/4,0. |
| (c). P 4 / n b m with origin at 2/m and -42m at 1/4,1/4,0. |
| (d). P 4 / n b m with origin at -42m. |