Table 2.
Reduction from to 3m
| Space group of Wlstrained crystal, order 24 per lattice point | If stressed so that X=Y; [lll]∥Z | Space group of strained crystal, order 6 per lattice point | |||||
|---|---|---|---|---|---|---|---|
| Coordinates referred to axes of unstrained crystal | |||||||
| No. | Symbol | 1st Subset | 2d Subset | 3d Subset | 4th Subset | No. | Symbol |
| 215 | P3m |
( x, y, z) | ( x, , ) | ( , y, ) | ( , , z) | 160 | R3m |
| ( y, z, x) | ( , , x) | ( y, , ) | ( , z, ) | ||||
| ( z, x, y) | ( , x, ) | ( , , y) | ( z, , ) | ||||
| ( y, x, z) | ( , x, ) | ( y, , ) | ( , , z) | ||||
| ( z, y, x) | ( , , x) | ( , y, ) | ( z, , ) | ||||
| ( x, z, y) | ( x, , ) | ( , , y) | ( , z, ) | ||||
| 216 | F3m | ( x, y, z) | ( x, , ) | ( . y, ) | ( , , z) | 160 | R3m |
| ( y, z, x) | ( , , x) | ( y, , ) | ( , z, ) | ||||
| ( z, x, y) | ( , x, ) | ( , , y) | ( z, , ) | ||||
| ( y, x, z) | ( , x, ) | ( y, , ) | ( , , z) | ||||
| ( z, y, x) | ( , , x) | ( , y, ) | ( z, , ) | ||||
| ( x, z, y) | ( x, , ) | ( , , y) | ( , z, ) | ||||
| 217 | I3m | ( x, y, z) | ( x, , ) | ( , y, ) | ( , , z) | 160 | R3m |
| ( y, z, x) | ( , , x) | ( y, , ) | ( , z, ) | ||||
| ( z, x, y) | ( , x, ) | ( , , y) | ( z, , ) | ||||
| ( y, x, z) | ( , x, ) | ( y, , ) | ( , , z) | ||||
| ( z, y, x) | ( , , x) | ( , y, ) | ( z, , ) | ||||
| ( x, z, y) | ( x, , ) | ( , , y) | ( , z, ) | ||||
| 218 | P3n | ( x, y, z) | ( x, , ) | ( , y, ) | ( , , z) | 161 | R3c |
| ( y, z, x) | ( , , x) | ( y, , ) | ( , z, ) | ||||
| ( z, x, y) | ( , x, ) | ( , , y) | ( z, , ) | ||||
| (½+y, ½+x, ½+z) | (½−y, ½+x, ½−z) | (½+y, ½−x, ½−z) | (½−y, ½−x, ½+z) | ||||
| (½+z, ½+y, ½+x) | (½−z, ½−y, ½+x) | (½−z, ½+y, ½−x) | (½+z, ½−y, ½−x) | ||||
| (½+x, ½+z, ½+y) | (½+x, ½−z, ½−y) | (½−x, ½−z, ½+y) | (½−x, ½+z, ½−y) | ||||
| 219 | F3c | ( x, y, z) | ( x, , ) | ( , y, ) | ( , , z) | 161 | R3c |
| ( y, z, x) | ( , , x) | ( y, , ) | ( , z, ) | ||||
| ( z, x, y) | ( , x, ) | ( , , y) | ( z, , ) | ||||
| ( y, x,½+z) | ( , x,½−z) | ( y, ,½−z) | ( , ,½+z) | ||||
| ( z, y, ½+x) | ( , ,½+x) | ( , y,½−x) | ( z, ,½−x) | ||||
| ( x, z,½+y) | ( x, ,½−y) | ( .,½+y) | ( , z,½−y) | ||||
| 220 | I3d | ( x, y, z) | (½+x,½−y, ) | ( ,½+y,½−z) | (½−x, ,½+z) | 161 | R3c |
| ( y, z, x) | (½−y, ,½+x) | (½+y,½−z, ) | ( ,½+z,½−x) | ||||
| ( z, x, y) | ( ,½+x,½−y) | (½−z, ,½+y) | (½+z,½−x, ) | ||||
| (¼+y,¼+x,¼+z) | (¾−y,¾+x,¼−z) | (¾+y,¼−x,¾−z) | (¼−y,¾−x,¾+z) | ||||
| (¼+z,¼+y,¼+x) | (¼−z,¼−y,¾+x) | (¾−z,¾+y, ¼−x) | (¾+z,¼−y,¾−x) | ||||
| (¼+x,¼+z,¼+y) | (¾+x,¼−z,¾−y) | (¼−x,¾−z,¾+y) | (¾−x,¾+z,¼−y) | ||||