Return
the new value for
the bond length, bond angle, or torsion angle will be set. The atom which has
been clicked on first (and all atoms connected to it) will be moved. It is
impossible to change bond lengths, bond angles, or torsion angles if they are
part of a ring. All changes in geometry can be reversed by using
Undo geometry change
from the Geometry
menu or the corresponding
button in the molecule editor dialog box. The number of undos is unlimited.