Starting from the JOYCE3.0 release, two additional output files may be created through a JOYCE run.
Concretely, if the $gracefreq and $gracetors are activated in the main input file, the results of the vibrational analysis and the torsional energy scans will be plotted in the 
format, suitable for the XMGRACE graphical interface.[27]
Further info and examples can be found at the website. [13]