OBCHIRAL(1) General Commands Manual (urm) OBCHIRAL(1)

obchiral — print molecular chirality information

obchiral filename

The obchiral program is a tool to print the chirality information for all molecules in a file. It also serves as example code for using the Open Babel library (libopenbabel).

obchiral pyridines.sdf

obabel(1), obfit(1), obgrep(1), obprop(1), obrotate(1).
The web pages for Open Babel can be found at: https://openbabel.org/

The obchiral program was written by Nick England

Open Babel is developed by a cast of many, including current maintainers Geoff Hutchison, Chris Morley, Michael Banck, and innumerable others who have contributed fixes and additions. For more contributors to Open Babel, see https://openbabel.org/docs/Introduction/thanks.html

Copyright (C) 2005 Nick England.
Some portions 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.

May 26, 2026 Open Babel 3.2