The symmetry operator for a *b*-glide plane passing through
the point (0,0,0) and whose normal is parallel to the X direction
is given by -*x*,1/2+*y*,*z*. Note that it is the
*x* value that changes sign, but that the glide operation
adds 1/2 to the *y* value in this instance.

© Copyright 1995-2006. Birkbeck College, University of London. |
Author(s):
Jeremy Karl Cockcroft |