Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | |
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Calculated |   | Experimental | |||||||
---|---|---|---|---|---|---|---|---|---|
Mode Number | Symmetry | Frequency | Scaled Frequency |
Harm. diff |
Fund. diff |
Symmetry | Harmonic Frequency |
Fundamental Frequency |
Comment |
1 | Σg | 2220 | 2142 | -54 | Σg | 2196 | |||
2 | Σg | 784 | 756 | -30 | Σg | 786 | |||
3 | Σu | 2443 | 2358 | 100 | Σu | 2258 | |||
4 | Σu | 1608 | 1551 | -22 | Σu | 1573 | |||
5 | Πg | 638 | 616 | 43 | Πg | 573 | |||
6 | Πu | 804 | 776 | 226 | Πu | 550 | |||
7 | Πu | 153 | 148 | 87 | Πu | 61 |
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.