Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | |
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You are here: Comparisons > Vibrations > Vibrations |
Calculated |   | Experimental | |||||||
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Mode Number | Symmetry | Frequency | Scaled Frequency |
Harm. diff |
Fund. diff |
Symmetry | Harmonic Frequency |
Fundamental Frequency |
Comment |
1 | Σg | 1235 | 1190 | -116 | -143 | Σg | 1351 | 1333 | unperturbed value |
2 | Σu | 2174 | 2095 | -222 | -254 | Σu | 2396 | 2349 | |
3 | Πu | 536 | 516 | -137 | -151 | Πu | 672 | 667 |
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.