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 | A' | 3416 | 3315 | 145 | A' | 3170 | in crystal | ||
2 | A' | 2397 | 2326 | 8 | A' | 2318 | |||
3 | A' | 1585 | 1538 | -9 | A' | 1547 | |||
4 | A' | 1170 | 1135 | 6 | A' | 1129 | |||
5 | A' | 517 | 501 | -29 | A' | 530 | |||
6 | A' | 327 | 318 | -171 | A' | 489 | |||
7 | A" | 3555 | 3450 | 170 | A" | 3280 | |||
8 | A" | 1265 | 1228 | -31 | A" | 1259 | |||
9 | A" | 388 | 377 | -41 | A" | 418 |
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.