trans-1,2-Difluorodiazine
- Formula: F2N2
- Molecular weight: 66.0102
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Vibrational and/or electronic energy levels
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Takehiko Shimanouchi
Symmetry: C2h Symmetry Number σ = 2
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| ag | 1 | NN str | 1523 | C | ia | 1523 | gas | |||
| ag | 2 | NF str | 1018 | C | ia | 1018 | gas | |||
| ag | 3 | FNN deform | 603 | C | ia | 603 | gas | |||
| au | 4 | Torsion | 364 | B | 363.5 M | gas | ia | |||
| bu | 5 | NF str | 991 | A | 991.01 VS | gas | ia | |||
| bu | 6 | FNN deform | 423 | C | 423 M | gas | ia | |||
Source: Shimanouchi, 1972
Notes
| VS | Very strong |
| M | Medium |
| ia | Inactive |
| A | 0~1 cm-1 uncertainty |
| B | 1~3 cm-1 uncertainty |
| C | 3~6 cm-1 uncertainty |
References
Go To: Top, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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