How would a create a cubic unit cell where A-atoms sit at the corner positions (0,0,0) in 12 fold coordination, while the B-atoms sits at body center position (1/2,1/2,1/2) and is surrounded by six X-atoms to form an octahedron?
How would a create a cubic unit cell where A-atoms sit at the corner positions (0,0,0) in 12 fold coordination, while the B-atoms sits at body center position (1/2,1/2,1/2) and is surrounded by six X-atoms to form an octahedron?