Dibromomethane-d2
- Formula: CD2Br2
- Molecular weight: 175.847
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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: C2ν Symmetry Number σ = 2
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a1 | 1 | CD2 s-str | 2214 | C | 2214 W | gas | 2195 M p | liq. | ||
| a1 | 2 | CD2 scis | 1026 | D | 1026 | liq. | 1028 W p | liq. | ||
| a1 | 3 | CBr2 s-str | 559 | C | 559 M | gas | 551 S p | liq. | ||
| a1 | 4 | CBr2 scis | 172 | D | 172 VS p | liq. | ||||
| a2 | 5 | CD2 twist | 782 | D | ia | 782 W p | liq. | |||
| b1 | 6 | CD2 a-str | 2324 | C | 2324 W | gas | 2313 VW dp | liq. | ||
| b1 | 7 | CD2 rock | 625 | B | 625 VS | gas | 636 VW | liq. | ||
| b2 | 8 | CD2 wag | 907 | B | 907 VS | gas | 902 W dp | liq. | ||
| b2 | 9 | CBr2 a-str | 608 | C | 608 | liq. | 612 M dp | liq. | ||
Source: Shimanouchi, 1972
Notes
| VS | Very strong |
| S | Strong |
| M | Medium |
| W | Weak |
| VW | Very weak |
| ia | Inactive |
| p | Polarized |
| dp | Depolarized |
| B | 1~3 cm-1 uncertainty |
| C | 3~6 cm-1 uncertainty |
| D | 6~15 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 I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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