| Vibrational energies CO (cm−1)h | Frequation Calc. from Equation (18) | Frequation Calc. From Equation (19) |
| 1082 | 1238 | 1201 |
| 3227 | 3279 | 3009 |
| 5345 | 5319 | 5230 |
| 7438 | 7360 | 7451 |
| 9505 | 9400 | 9603 |
| 11,545 | 11,441 | 11,686 |
| 13,560 | 13,482 | 13,683 |
| 15,548 | 15,522 | 15,612 |
| 17,511 | 17,563 | 17,471 |
| 19,447 | 19,603 | 19,262 |