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obgen: generate 3D coordinates for a molecule

obgen - generate 3D coordinates for a molecule
obgen [OPTIONS] filename


The obgen tool will generate 3D coordinates for molecules in a file (e.g. multi-molecule SMILES files). The resulting structure will be optimized using the given forcefield and checked for the lowest-energy conformer using a Monte Carlo search. Output will be sent to standard output in the SDF file format.


If no filename is given, obgen will give all options including the available forcefields. -ff forcefield Select the forcefield


View the possible options, including available forcefields: obgen Generate 3D coordinates for the molecule(s) in file test.smi: obgen test.smi Generate 3D coordinates for the molecule(s) in file test.smi using the UFF forcefield: obgen -ff UFF test.smi


babel(1), obminimize(1), obconformer(1). The web pages for Open Babel can be found at: <//openbabel.org/> The web pages for Open Babel Molecular Mechanics can be found at: <//openbabel.org/wiki/Molecular_mechanics>
The obgen program was contributed by Tim Vandermeersch. 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 <//openbabel.org/wiki/THANKS>
Copyright (C) 2007-2008 by Tim Vandermeersch. 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. OBGEN(1)

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