Properties to compute. Valid tasks include:
DENSITY- Da, Db, Dt, Ds;ESP- Dt, ESP;ORBITALS- Psi_a_N, Psi_b_N;BASIS_FUNCTIONS- Phi_N;LOL- LOLa, LOLb;ELF- ELFa, ELFb;FRONTIER_ORBITALS- Psi_a_N_HOMO + Psi_a_N_LUMO;DUAL_DESCRIPTOR- DUAL_N_HOMO-M_LUMO.
- Type: array
- Default: No Default
