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 | A1 | 2499 | 2381 | -29 | -20 | A1 | 2528 | 2401 | harmonic estimates |
2 | A1 | 2468 | 2352 | -22 | -11 | A1 | 2490 | 2363 | |
3 | A1 | 1108 | 1056 | 15 | -13 | A1 | 1093 | 1069 | |
4 | A1 | 1026 | 978 | 26 | -0 | A1 | 1000 | 978 | |
5 | A1 | 511 | 487 | -69 | -85 | A1 | 580 | 572 | |
6 | A2 | 232 | 221 | ||||||
7 | E | 2557 | 2437 | 9 | 11 | E | 2548 | 2426 | |
8 | E | 2512 | 2395 | -3 | -13 | E | 2515 | 2408 | |
9 | E | 1163 | 1108 | -5 | -36 | E | 1168 | 1144 | |
10 | E | 1141 | 1087 | 11 | -15 | E | 1130 | 1102 | |
11 | E | 839 | 800 | -16 | -26 | E | 855 | 826 | |
12 | E | 371 | 354 | -81 | -93 | E | 452 | 447 |
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.