.Dd October 26, 2017 .Os "Open Babel" 2.4.1 .Dt obthermo 1 URM .Sh NAME .Nm obthermo .Nd "extract the thermochemistry for a molecule" .Sh SYNOPSIS .Nm .Op options .Ar filename .Sh DESCRIPTION The obthermo tool can be used to extract the thermochemistry, e.g. Delta H formation Delta G formation and the standard entropy from e.g. a Gaussian calculation. .Sh OPTIONS .Bl -tag -width flag .It Fl --symm Ar N override symmetry number used in input file .It Fl --nrot Ar N number of rotatable bonds for conformational entropy .It Fl --dbdt Ar x temperature derivative of second virial coefficient for cp calculation .It Fl --kj output kJ/mol related units (default kcal/mol) .El .Sh SEE ALSO .Xr babel 1 , .Pp The web pages for Open Babel can be found at: \%<\fBhttp://openbabel.org/\fR> .Sh AUTHORS .An -nosplit Open Babel is developed by a cast of many, including currrent maintainers .An Geoff Hutchison , .An Chris Morley , .An Michael Banck , and innumerable others who have contributed fixes and additions. For more contributors to Open Babel, see \%<\fBhttp://openbabel.org/wiki/THANKS\fR> .Sh COPYRIGHT Copyright (C) 1998-2001 by OpenEye Scientific Software, Inc. .br Some portions Copyright (C) 2001-2008 by Geoffrey R. Hutchison and other contributors. .Pp 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. .Pp 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