Application of the configuration‐interaction method and the random phase approximation to the Ab Initio calculation of electronic excitation energies of H₂o

Chemical Compounds

• Random Phase Approximation 100%
• Electronic Excitation 75%
• Ab Initio Calculation 53%
• Excited Singlet State 33%
• Energy 29%
• Orbital 25%
• Application 19%
• Molecule 10%

Physics & Astronomy

• approximation 32%
• electronics 32%
• excitation 30%
• atomic energy levels 22%
• molecular orbitals 20%
• energy 18%
• orbitals 14%
• symmetry 12%
• water 11%
• molecules 11%