Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | |
You are here: Comparisons > Vibrations > Vibrations |
Calculated |   | Experimental | |||||||
---|---|---|---|---|---|---|---|---|---|
Mode Number | Symmetry | Frequency | Scaled Frequency |
Harm. diff |
Fund. diff |
Symmetry | Harmonic Frequency |
Fundamental Frequency |
Comment |
1 | Σ | 3463 | 3428 | 91 | Σ | 3336 | |||
2 | Σ | 2312 | 2288 | 93 | Σ | 2196 | |||
3 | Σ | 1296 | 1283 | 29 | Σ | 1254 | |||
4 | Π | 560 | 555 | 18 | Π | 537 | |||
5 | Π | 280i | 277i | -501 | Π | 224 |
See section Calculated; Vibrations; Scale Factors; Set scaling factors to change the scale factors used here.
See section Calculated; Vibrations; Scale Factors; Calculate a scale factor to determine the least squares best scaling factor.
See section Calculated; Vibrations; Scale Factors; Scale factor uncertainty for information on where the above scaling factor is from.