Model Hamiltonians
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* Density Functional (XC)

  * LDA/GGA/metaGGA

  * Dispersion Correction

  * Model Potentials

  * Non-Collinear Approach

  * LibXC Library Integration

  * Hartree-Fock

  * Range-separated hybrid functionals

  * Double hybrids, MP2 and RPA

  * Defaults and special cases

  * GGA+U

  * OEP

  * DFT-1/2

* Relativistic Effects and Spin

  * Spin polarization

  * Relativistic Effects

* Solvation

  * COSMO: Conductor like Screening Model and the Solvation-key

  * Additional keys for periodic systems

  * SM12: Solvation Model 12

* Electric and Magnetic Fields

  * Electric Field

  * Magnetic Field

  * Atom-wise fuzzy potential

* Nuclear Model
