| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| rydberg constant in cm | 0.12 | 0.1 | 6802 | 35 | 22 |
| rydberg | 0.02 | 0.6 | 3920 | 7 | 7 |
| constant | 1.94 | 0.3 | 1456 | 44 | 8 |
| in | 1.77 | 0.9 | 9122 | 15 | 2 |
| cm | 1.12 | 0.4 | 294 | 72 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| rydberg constant in cm | 1.83 | 0.7 | 406 | 18 |
