@NX4A - Configuration fo Rigid bodies

A file format to specify the configration of rigid bodies, like TIP4P water molecules.

Data Type Description
@NX4A 5 fixed characters A tag
N integer Number of rigid bodies
x y z a b c d Seven real numbers separated by a space character. Coordinate of the center of mass (in Angstrom) and the orientation in quaternion.
(repeat N times)  

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