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2.4 Model Hamiltonians

Electronic Configuration
Charge and Spin
Orbital occupations: electronic configuration, excited states
Multiplet States
Frozen core approximation
Spin-polarized start-up potential
Unrestricted fragments
Remove Fragment Orbitals
Density Functional
Exchange Correlation Potentials
Defaults, special cases, simple input
Post-SCF energy functionals
Self-Interaction Correction
General remarks
MM dispersion corrected functionals
Relativistic effects
Pauli
ZORA
Spin-Orbit coupling
Relativistic core potentials
Solvents and other environments
COSMO: Conductor like Screening Model
QM/MM: Quantum mechanical and Molecular Mechanics model
Quild: Quantum-regions Interconnected by Local Descriptions
DRF: Discrete Solvent Reaction Field Model
FDE: Frozen Density Embedding
SCRF: Self-Consistent Reaction Field
Electric Field: Homogeneous and Point Charges
Orientation of the fields
Symmetry
Bonding energy
Polarizability and hyperpolarizability
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