OBABEL(1) General Commands Manual (urm) OBABEL(1) (NAME) obabel - (SYNOPSIS) obabel -Hhelp-options obabel [OPTIONS] [-iinput-type | -:SMILES-string] infile [-ooutput-type] -Ooutfile (DESCRIPTION) obabel . Open Babel . Open Babel : . (OPTIONS) Open Babel . -:SMILES-string SMILES . SMILES-string (shell) . . -aoptions . -Hformat-ID . --addtotitle . --addformula . -b : [N+]([O-])=O N(=O)=O. -c (0,0,0). -C . -e . -d . ---errorlevel n : 1 = (critical) 2 = () 3 = 4 = (audit log) 5 = (debugging) -f # # . -F (fingerprint) . -h . -H . -Hformat-ID . -Hall . -iformat-ID . -j, --join . -k ( GAMESS Gaussian). -m : - -- . - (batch) -- . -l # # . -oformat-ID . -Ooutfile . -p pH ( phmodel.txt). --property ( MDL SD). -s SMARTS SMARTS . --separate . -t . --title title . -xoptions . -H format-ID . -v SMARTS SMARTS . -V . -z gzip. (FILE FORMATS) Open Babel : abinit -- ABINIT [] acesin -- ACES [] acesout -- ACES [] acr -- ACR [] adf -- ADF [] adfband -- ADF Band [] adfdftb -- ADF DFTB [] adfout -- ADF [] alc -- Alchemy aoforce -- Turbomole AOFORCE [] arc -- CAR Accelrys/MSI Biosym/Insight II [] ascii -- ASCII [] axsf -- XCrySDen [] bgf -- MSI BGF box -- Dock 3.5 Box bs -- Ball and Stick c09out -- Crystal 09 [] c3d1 -- Chem3D 1 c3d2 -- Chem3D 2 cac -- CAChe MolStruct [] caccrt -- Cacao cache -- CAChe MolStruct [] cacint -- Cacao [] can -- SMILES car -- CAR Accelrys/MSI Biosym/Insight II [] castep -- CASTEP [] ccc -- CCC [] cdjson -- ChemDoodle JSON cdx -- ChemDraw [] cdxml -- ChemDraw CDXML cht -- Chemtool [] cif -- (CIF) cjson -- JSON ck -- ChemKin cml -- (CML) cmlr -- CML cof -- Culgi com -- Gaussian [] confabreport -- Confab [] CONFIG -- DL-POLY CONFIG CONTCAR -- VASP CONTFF -- MDFF copy -- [] crk2d -- Chemical Resource Kit crk3d -- Chemical Resource Kit csr -- CSR Accelrys/MSI Quanta [] cssr -- CSD CSSR [] ct -- ChemDraw cub -- Gaussian cube -- Gaussian dallog -- DALTON [] dalmol -- DALTON dat -- [] dmol -- DMol3 dx -- OpenDX APBS ent -- (PDB) exyz -- XYZ fa -- FASTA fasta -- FASTA fch -- Gaussian [] fchk -- Gaussian [] fck -- Gaussian [] feat -- Feature fh -- Fenske-Hall [] fhiaims -- FHIaims XYZ fix -- SMILES FIX [] fps -- FPS () [] fpt -- (Fingerprint) [] fract -- (Free Form Fractional) fs -- (Fastsearch) fsa -- FASTA g03 -- Gaussian [] g09 -- Gaussian [] g16 -- Gaussian [] g92 -- Gaussian [] g94 -- Gaussian [] g98 -- Gaussian [] gal -- Gaussian [] gam -- GAMESS [] gamess -- GAMESS [] gamin -- GAMESS gamout -- GAMESS [] gau -- Gaussian [] gjc -- Gaussian [] gjf -- Gaussian [] got -- GULP [] gpr -- Ghemical gr96 -- GROMOS96 [] gro -- GRO gukin -- GAMESS-UK gukout -- GAMESS-UK gzmat -- Gaussian hin -- HyperChem HIN HISTORY -- DL-POLY HISTORY [] inchi -- InChI inchikey -- InChIKey [] inp -- GAMESS ins -- ShelX [] jin -- Jaguar jout -- Jaguar [] k -- InChI [] lmpdat -- LAMMPS [] log -- [] lpmd -- LPMD mae -- Maestro maegz -- Maestro mcdl -- MCDL mcif -- (mmCIF) MDFF -- MDFF mdl -- MDL MOL ml2 -- Sybyl Mol2 mmcif -- (mmCIF) mmd -- MacroModel mmod -- MacroModel mna -- (MNA) [] mol -- MDL MOL mol2 -- Sybyl Mol2 mold -- Molden molden -- Molden molf -- Molden molreport -- Open Babel [] moo -- MOPAC [] mop -- MOPAC mopcrt -- MOPAC mopin -- MOPAC mopout -- MOPAC [] mp -- Molpro [] mpc -- MOPAC mpd -- MolPrint2D [] mpo -- Molpro [] mpqc -- MPQC [] mpqcin -- MPQC [] mrv -- (CML) msi -- MSI Cerius II Accelrys/MSI [] msms -- MSMS M.F. Sanner [] nul -- [] nw -- NWChem [] nwo -- NWChem [] orca -- ORCA [] orcainp -- ORCA [] out -- [] outmol -- DMol3 output -- [] paint -- Painter [] pc -- PubChem [] pcjson -- PubChem JSON pcm -- PCModel pdb -- (PDB) pdbqt -- AutoDock PDBQT png -- PNG pointcloud -- VDW [] pos -- POS [] POSCAR -- VASP POSFF -- MDFF pov -- POV-Ray [] pqr -- PQR pqs -- Parallel Quantum Solutions prep -- Amber Prep [] pwscf -- PWscf [] qcin -- Q-Chem [] qcout -- Q-Chem [] report -- Open Babel [] res -- ShelX [] rinchi -- RInChI [] rsmi -- SMILES rxn -- MDL RXN sd -- MDL MOL sdf -- MDL MOL siesta -- SIESTA [] smi -- SMILES smiles -- SMILES smy -- SMILES Smiley [] stl -- STL [] svg -- SVG [] sy2 -- Sybyl Mol2 t41 -- ADF TAPE41 [] tdd -- Thermo text -- therm -- Thermo tmol -- TurboMole txt -- Title txyz -- Tinker XYZ unixyz -- UniChem XYZ VASP -- VASP vmol -- ViewMol wln -- (WLN) [] xed -- XED [] xml -- XML [] xsf -- XCrySDen [] xyz -- XYZ yob -- YOB YASARA.org zin -- ZINDO [] (FORMAT OPTIONS) . -a : -as -x : -xn -Hformat-type : -Hcml (ENVIRONMENT) OB_RANDOM_SEED . Open Babel C -DOB_USE_OBRANDOMMT ( ). (EXAMPLES) : obabel ethanol.xyz -Oethanol.pdb SMI STDIN Mol2 STDOUT: obabel -ismi -omol2 new1.smi new2.smi : obabel infile.mol -Onew.smi -m (SEE ALSO) obenergy(1), obfit(1), obgrep(1), obminimize(1), obprop(1), obrotamer(1), obrotate(1). Open Babel : (AUTHORS) : Geoff Hutchison, Chris Morley, Michael Banck, . Open Babel : (COPYRIGHT) (C) - OpenEye Scientific Software, Inc. (C) - Geoffrey R. Hutchison (GNU GPL) . . . Open Babel 3.2 May 26, 2026 Open Babel 3.2