| Acronym | Meaning |
| PIPN | Pseudo Interpenetrating Polymer Network |
| OSC | On Site Coordinator |
| GVB | Generalized Valence Bond |
| CA | Collision Activation |
| IC-ACPF | Internally Contracted (multireference) Averaged Coupled Pair Functional |
| MZDO | Modified Zero Differential Overlap |
| ESA | Energy Sudden Approxn. (in Calcns. On Reactive Scattering) |
| HCWP | Hard Corrugated Wall Potential |
| LPFF | Laser Photolysis Fragment Fluorescence |
| JKR | Johnson-Kendall-Roberts Contact Model |