| Methane | | ![C]() | -66.543 | -74.513 | ± 0.043 | kJ/mol | 16.04246 ± 0.00085 | 74-82-8*0 |
| Argon | | ![[Ar]]() | 0 | 0 | exact | | 39.94800 ± 0.00100 | 7440-37-1*0 |
| Argon | | ![[Ar]]() | | -12.249 | ± 0.092 | kJ/mol | 39.94800 ± 0.00100 | 7440-37-1*1 |
| Water | | ![O]() | -238.904 | -241.808 | ± 0.022 | kJ/mol | 18.01528 ± 0.00033 | 7732-18-5*0 |
| Water | | ![O]() | | -285.825 | ± 0.030 | kJ/mol | 18.01528 ± 0.00033 | 7732-18-5*1 |
| Dihydrogen | | ![[H][H]]() | -0.000 | -0.058 | ± 0.000 | kJ/mol | 2.01588 ± 0.00014 | 1333-74-0*2 |
| Dihydrogen | | ![[H][H]]() | 0 | 0 | exact | | 2.01588 ± 0.00014 | 1333-74-0*0 |
| cis-2-Butene | | ![C/C=C\C]() | 14.42 | -6.85 | ± 0.38 | kJ/mol | 56.10632 ± 0.00380 | 590-18-1*0 |
| Dimethylamine | | ![CNC]() | 4.67 | -16.97 | ± 0.45 | kJ/mol | 45.0837 ± 0.0017 | 124-40-3*0 |
| Hydrogen difluoride | | ![F.[F]]() | -198.5 | -198.4 | ± 1.2 | kJ/mol | 39.004746 ± 0.000070 | 12528-21-1*1 |
| Boron | | ![[B]]() | 0 | 0 | exact | | 10.8110 ± 0.0070 | 7440-42-8*500 |