Calculate phosphorescence lifetime according to Phys. Chem. Chem. Phys., 2014,16, 14523-14530 (https://doi.org/10.1039/C3CP55438D) and the ORCA software tutorial at https://www.orcasoftware.de/tutorials_orca/spec/SOC.html
lifetime.py -i outfile.log
-i <filename>
-T <Temperatur in Kelvin
-s <number of states included