Ethene, 1,1-dichloro-
- Formula: C2H2Cl2
- Molecular weight: 96.943
- IUPAC Standard InChI: InChI=1S/C2H2Cl2/c1-2(3)4/h1H2
- IUPAC Standard InChIKey: LGXVIGDEPROXKC-UHFFFAOYSA-N
- CAS Registry Number: 75-35-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Ethylene, 1,1-dichloro-; Vinylidene chloride; 1,1-Dichloroethene; 1,1-Dichloroethylene; CH2=CCl2; Chlorure de vinylidene; 1,1-DCE; NCI-C54262; Rcra waste number U078; VDC; Vinylidene dichloride; Vinylidine chloride; 1,1-dichloroethylene (vinylidine chloride); 1,1-dichloroethylene (vinylidene chloride)
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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 | CH2 s-str | 3035 | D | 3035 W | gas | 3035 VS p | liq. | l4 solution | |
| a1 | 2 | CC str | 1627 | C | 1627 VS | gas | 1616 VS p | liq. | ||
| a1 | 3 | CH2 scis | 1400 | C | 1400 M | gas | 1391 M p | liq. | ||
| a1 | 4 | CCl2 s-str | 603 | C | 603 VS | gas | 601 VS p | liq. | ||
| a1 | 5 | CCl2 scis | 299 | C | 299 W | gas | 299 S p | liq. | ||
| a2 | 6 | Torsion | 686 | D | ia | 686 M dp | liq. | |||
| b1 | 7 | CH2 a-str | 3130 | D | 3130 W | gas | 3130 S dp | liq. | l4 solution | |
| b1 | 8 | CH2 rock | 1095 | C | 1095 VS | gas | 1088 VW | liq. | ||
| b1 | 9 | CCl2 a-str | 800 | B | 800 VS | gas | 788 M dp | liq. | ||
| b1 | 10 | CCl2 rock | 372 | C | 372 M | gas | 375 S dp | liq. | ||
| b2 | 11 | CH2 wag | 875 | B | 875 S | gas | 874 W | liq. | ||
| b2 | 12 | CCl2 wag | 460 | B | 460 S | gas | 458 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
Go To: Top, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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