(Return link to main list of space groups in standard settings.)
(a). P 4 / n m m with origin at -4m2. |
(b). P 4 / n m m with origin at 2/m and 4mm at 1/4,1/4,z. |
(c). P 4 / n m m with origin at 2/m and -4m2 at 1/4,1/4,0. |
(d). P 4 / n m m with origin at 4mm and 2/m at 1/4,1/4,0. |