| _SECTION_PARAMETERS_ | |
| &TORSION (ADD|REMOVE) | |
| controls the activation of the bond | |
| This optional keyword expects a keyword. Default value: ADD | |
| valid keywords: ADD, REMOVE | |
| ATOMS | |
| ATOMS {integer} {integer} {integer} {integer} | |
| Specifies two atomic index united by a covalent bond | |
| This required keyword expects precisely 4 integers, and may repeat |