Mopac: single point/optimisation output, force output, arc files, gpt files,
Mopac input files
Gamess-US/UK, Gaussian: single point/optimisation output, force output,
Gamess-US IRC files, Gamess-US/UK, Gaussian input files.
PDB: The Brookhaven protein database files
XMOL: the simple XYZ cartesian coordinate files
CHEMX: the chemx files
CSD: the fdat files
MOL2 files
MSF quanta msf files
Molden format
SHELX format
Tinker xyz (mm3, charmm)