OBROTATE(1) General Commands Manual (urm) OBROTATE(1) (NAME) obrotate - SMARTS (SYNOPSIS) obrotate SMARTS-pattern filename atom1 atom2 atom3 atom4 angle (DESCRIPTION) obrotate ( dihedral) . ( ). SMARTS () . . atom1 atom4 atom2 atom3 . -- atom1 atom2 atom3 atom4 . (EXAMPLES) (conformation) - 3D-QSAR . : obrotate 'c1ccncc1CCC' pyridines.sdf 5 6 7 8 90 SMARTS ( c1-C) . : obrotate 'c1ccncc1CCC' pyridines.sdf 4 6 7 8 90 : obrotate 'c1ccncc1CCC' pyridines.sdf 5 6 7 8 90 : obrotate 'c1ccncc1CCC' pyridines.sdf 8 7 6 5 90 (SEE ALSO) obabel(1), obchiral(1), obfit(1), obgrep(1), obprop(1). Open Babel : SMARTS : (AUTHORS) obgrep Fabien Fontaine . Open Babel : Geoff Hutchison, Chris Morley, Michael Banck, . Open Babel : (COPYRIGHT) (C) - OpenEye Scientific Software, Inc. (C) - Geoffrey R. Hutchison . (GNU General Public License) ( ) . . . Open Babel 3.2 May 26, 2026 Open Babel 3.2