1,1-Dichloroethylene-d2
- Formula: C2D2Cl2
- Molecular weight: 98.956
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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 | 2262 | D | 2262 W | gas | ||||
| a1 | 2 | CC str | 1565 | C | 1565 VS | gas | ||||
| a1 | 3 | CD2 scis | 1039 | E | CF | |||||
| a1 | 4 | CCl2 s-str | 580 | C | 580 VS | gas | ||||
| a1 | 5 | CCl2 scis | 305 | E | CF | |||||
| a2 | 6 | Torsion | 488 | E | ia | CF | ||||
| b1 | 7 | CD2 a-str | 2380 | D | 2380 W | gas | l4 solution | |||
| b1 | 8 | CD2 rock | 998 | C | 998 VS | gas | ||||
| b1 | 9 | CCl2 a-str | 697 | C | 697 S | gas | SF(ν11) | |||
| b1 | 10 | CCl2 rock | 327 | C | 327 M | gas | ||||
| b2 | 11 | CD2 wag | 697 | C | 697 S | gas | SF(ν9) | |||
| b2 | 12 | CCl2 wag | 439 | B | 439 S | gas | ||||
Source: Shimanouchi, 1972
Notes
| VS | Very strong |
| S | Strong |
| M | Medium |
| W | Weak |
| ia | Inactive |
| CF | Calculated frequency |
| SF | Calculation shows that the frequency approximately equals that of the vibration indicated in the parentheses. |
| B | 1~3 cm-1 uncertainty |
| C | 3~6 cm-1 uncertainty |
| D | 6~15 cm-1 uncertainty |
| E | 15~30 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
Go To: Top, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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