| Acronym | Meaning |
| UQCISD | Unrestricted Quadratic Ci (with) Single (and) Double (excitations) |
| MARS | Multivariate Adaptive Regression Splines |
| IPS | Inverse Photoemission Spectroscopy |
| ATLAS | Airborne Tunable Laser Absorption Spectrometer |
| NLLSQ | Nonlinear Least Squares |
| CSA | Chiral Solvating Agent |
| CBR | Cosmic Background Radiation |
| RMO | Rotated Morse Oscillator (function For Potential Surface) |
| DPC | Differential Photocalorimetry |
| TVS | Triangular Voltage Sweep |