| file | I/O | required | description |
| standard input | I | yes | the main input file |
| standard output | O | yes | the main output file |
*.mmol |
I | yes | files defining molecular structures |
| and the force field | |||
<fname>.start |
I | opt | start configuration |
<fname>.dmp |
IO | opt | restart file |
<fname>.rdf |
IO | opt | restart RDF file |
<fname>.tcf |
IO | opt | restart TCF file |
<fname>.xmol |
O | opt | final configuration |
<fname>.00n |
O | opt | trajectory files |