Pm3  Pn3

200 Pm3

Simple space group. 2m3 clusters in a P lattice. First 12 points are a 23 cluster. Second 12 are a reflected 23, or a 23 cluster with one sign changed.

+x,+y,+z            +z,+x,+y        +y,+z,+x
+x,-y,-z            +z,-x,-y          +y,-z,-x
-x,+y,-z            -z,+x,-y          -y,+z,-x
-x,-y,+z            -z,-x,+y          -y,-z,+x
-x,-y,-z             -z,-x,-y             -y,-z,-x
-x,+y,+z            -z,+x,+y          -y,+z,+x
+x,-y,+z            +z,-x,+y         +y,-z,+x
+x,+y,-z            +z,+x,-y          +y,+z,-x

201 Pn3

First 12 points are a 23 cluster. Second 12 are translated to (1/2,1/2,1/2) and reflected.

+x,+y,+z            +z,+x,+y            +y,+z,+x
+x,-y,-z            +z,-x,-y          +y,-z,-x
-x,+y,-z            -z,+x,-y          -y,+z,-x
-x,-y,+z            -z,-x,+y     -y,-z,+x
1/2-x,1/2-y,1/2-z      1/2-z,1/2-x,1/2-y       1/2-y,1/2-z,1/2-x
1/2-x,1/2+y,1/2+z     1/2-z,1/2+x,1/2+y     1/2-y,1/2+z,1/2+x
1/2+x,1/2-y,1/2+z      1/2+z,1/2-x,1/2+y    1/2+y,1/2-z,1/2+x
1/2+x,1/2+y,1/2-z      1/2+z,1/2+x,1/2-y    1/2+y,1/2+z,1/2-x