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