1. Center for Computational Quantum Chemistry (CCQC), University of Georgia, Athens, Georgia 30602, United States
2. Institute for Computational Engineering and Sciences (ICES), University of Texas at Austin, Austin, Texas 78712, United States
3. Hylleraas Centre for Quantum Molecular Science, Department of Chemistry, University of Tromsø − The Arctic University of Norway, N-9037 Tromsø, Norway
4. Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
5. Quantum Theory Project, University of Florida, Gainesville, Florida 32611, United States