Quantum Mechanical Methods¶ Hartree-Fock (HF) Theory¶ Density Functional Theory (DFT)¶ Excited-State Calculations (CIS, TDHF, TDDFT)¶ Real-time TDDFT¶ Plane-Wave Density Functional Theory (plane-wave DFT)¶ Tensor Contraction Engine: CI, MBPT, and CC¶ MP2¶ Coupled Cluster Calculations¶ Multiconfiguration SCF¶ GW calculations¶