| Q_CENTROID | |
| Value of the thermostat mass of centroid degree of freedom | |
| This optional keyword expects a real. Default value: -1.0000000000000000E+00 | |
| Q_BEAD | |
| Value of the thermostat mass of non-centroid degrees of freedom | |
| This optional keyword expects a real. Default value: -1.0000000000000000E+00 | |
| MODEFACTOR | |
| mass scale factor for non-centroid degrees of freedom | |
| This optional keyword expects a real. Default value: 1.0000000000000000E+00 |