QUATERNION
Keyword allowing input with quaternions. After this line, their is one line per molecule that should look like : 1 1.0 0.0 .0 1.0 0.0 0.0 0.0 (unit number, coordinates of center of mass, 4 quaternions numbers) This should be associated with the MOLECULE keyword.
BOHR
Coordinates or bond distances are given in atomic
ANGST
Coordinates or bond distances are given in Angstrom.
RANDOM
Random quaternions will be associated to these