| Acronym | Meaning |
| MMT | Methylcyclopentadienylmanganese Tricarbonyl |
| TRIS | Toxic Release Inventory System |
| MTOR | Mammalian Target Of Rapamycin |
| VCC | Variable Curvature Coordinates (in Calcns. On Mol. Vibrations) |
| ACC | American Chemistry Council |
| LCGTO-LSD-VW | Linear Combination Of Gaussian Type Orbitals-local Spin Density-Vosko-Wilk-Nusair |
| GLC | Ground Level Concentration |
| GTDA | Generalized Tamm-Dancoff Approximation |
| DIIS | Direct Inversion In The Iterative Space |
| NLXC | Nonlocal Exchange Correlation (potential) |