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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
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| Mode Number |
Symmetry | Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensity (km/mol) |
reduced mass (u) |
description | Raman Act (Å4/u) |
Dep P | Dep U |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Σg | 2051 | 1959 | 0.000 | 1.0078 | ||||
| 2 | Σu | 2264 | 2162 | 237.451 | 1.2031 | ||||
| 3 | Πu | 693 | 661 | 678.448 | 1.2031 |
Unscaled Zero Point Vibrational Energy (zpe) 2850 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 2722 cm-1
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.
| Rep | deg. | n vib | IR | R |
|---|---|---|---|---|
| Σg+ | 1 | 1 | active | |
| Σg- | 1 | 0 | ||
| Σu+ | 1 | 1 | active | |
| Σu- | 1 | 0 | ||
| Πg | 2 | 0 | active | |
| Πu | 2 | 1 | active | |
| Δg | 2 | 0 | active | |
| Δu | 2 | 0 |