SMODES
SMODES calculates the displacement modes in a crystal which brings the
dynamical matrix to block-diagonal form, with the smallest possible
blocks. It also chooses the modes so that its unit cell is as small
as possible and its point-group symmetry is as high as possible.
HELP
Isotropy Software
Below, default input is given as an example. You may submit this form
as given to see the output of this example.