| Acronym | Meaning |
| GNO | Geminal Natural Orbital |
| UNIFAC | Universal Quasichem. Functional Group Activity Coeffs. |
| CINDORU | Cluster INDO Restricted-unrestricted |
| UMP2 | Unrestricted Moeller-Plesset 2nd-order (perturbation Theory) |
| DETOCSY | Diffusion Edited Total Correlation Spectroscopy |
| QMRE | Quantum Mechanical Resonance Energy |
| PGHS | Prostaglandin H Synthase |
| ECS | Energy-corrected Sudden (scaling Theory In Mol. Collisions) |
| QDFM | Quantitative DNA Fiber Mapping |
| CGC | Constrained Geometry Catalyst |