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obsym(1) General Commands Manual (urm) obsym(1)


obsymdetect 3D point group symmetry


obsym filename


Detects 3D point group symmetry and writes out symmetrized coordinates.


obsym molecule1.cif > molecule2.cif

Symmetrizes coordinates of molecule1.cif and write it to molecule2.cif



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Open Babel is developed by a cast of many, including currrent maintainers Geoff Hutchison, Chris Morley, Michael Banck, and innumerable others who have contributed fixes and additions. For more contributors to Open Babel, see <>


Copyright (C) 1998-2001 by OpenEye Scientific Software, Inc.
Some portions Copyright (C) 2001-2007 by Geoffrey R. Hutchison and other contributors.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation version 2 of the License.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

October 10, 2019 Open Babel 3.1