Sounds good if PSI4 can give me the integrals. I used HF but the only operator which survives is the Coulomb operator. It is a transition from a 1h state to a 1p-2h State. The matrix Elements are part of the formula for the decay rate so it will be usefull for me to have a value for it. That ist the reason why I want to solve the integrals.
Thanks for your quick answer.