| Acronym | Meaning |
| MR-MP | Multireference Moeller-Plesset (perturbation Theory) |
| LOI | Limiting Oxygen Index [of Fire Retardant] |
| CASSCF-CCI | Complete Active Space Self-consistent Field-contracted CI |
| CSP | Cold Shock Protein |
| SLIME | Spin-locked Inversion Mid-echo |
| FREEON | Spin-free Orbital |
| NTI | National Toxics Inventory |
| IRF | Instrument Response Function |
| VCI | Variational Configuration Interaction (quantum Calcn. Method) |
| CLF | Current Literature File |