Readable File Types

• XYZ (.xyz)
• Gaussian input file (.gjf/.com)
• Gaussian output file (.log)
• ORCA output file (.out)
• Psi4 output file (.dat)
• Formatted checkpoint file (.fchk, structure only)

Writable File Types

• XYZ (.xyz)

SEQCROW also has a tool that can be used to build and export Gaussian, ORCA, or Psi4 input files.