6 since the equivalent reflections are 200, −200, 020, 0−20, 002, and 00−2. You must remember here that the cubic symmetry makes the a*, b*, c* symmetry equivalent due to the threefold symmetry axis on the diagonal of a cube.
© Copyright 1995-2006. Birkbeck College, University of London. | Author(s): Jeremy Karl Cockcroft |