geometry={o;h,o,r}
r=1.83
{multi;wf,9,2,1;wf,9,3,1;wf,9,1,1}      !state averaged casscf for X(2PI) and A(2SIGMA)
{rs2;noexc;wf,9,1,1}                    !compute A(2SIGMA) energy
forces                                  !energy gradient for A(2SIGMA) state
{rs2;noexc;wf,9,2,1}                    !compute A(2PI) energy
forces                                  !energy gradient for A(2PI) state