= User defined basis = Example for 6-31G basis: {{{ **** H 1 0 S 4 2 18.73113700 2.82539370 0.64012170 0.16127780 0.03349460 0.00000000 0.23472695 0.00000000 0.81375733 0.00000000 0.00000000 1.00000000 **** Li 3 1 S 10 3 642.41892000 96.79851500 22.09112100 6.20107030 1.93511770 0.63673580 2.32491840 0.63243060 0.07905340 0.03596200 0.00214260 0.00000000 0.00000000 ... }}} To use your own basis that is not included in the '''bdf-pkg/basis_library''', you can create a file '''xxx...''' containing your basis '''in the same directory of the input and run script''', and then specify the basis in COMPASS just like the normal basis by the name '''xxx...'''.