Methylene chloride
- Formula: CH2Cl2
- Molecular weight: 84.933
- IUPAC Standard InChI: InChI=1S/CH2Cl2/c2-1-3/h1H2
- IUPAC Standard InChIKey: YMWUJEATGCHHMB-UHFFFAOYSA-N
- CAS Registry Number: 75-09-2
- 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. - Isotopologues:
- Other names: Methane, dichloro-; Aerothene MM; Dichloromethane; Freon 30; Methylene dichloride; Narkotil; Solaesthin; Solmethine; CH2Cl2; Methane dichloride; Methylene bichloride; Chlorure de methylene; Metylenu chlorek; NCI-C50102; R 30; Rcra waste number U080; UN 1593; Methoklone; Salesthin; F 30; F 30 (chlorocarbon); HCC 30; Khladon 30; Metaclen; NSC 406122; Soleana VDA
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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 | 2999 | B | 2999 M | gas | 2996 S p | gas | ||
| a1 | 2 | CH2 scis | 1467 | C | 1467 W | gas | 1430.1 W p | gas | ||
| a1 | 3 | CCl2 s-str | 717 | B | 717 M | gas | 713 S p | gas | ||
| a1 | 4 | CCl2 scis | 282 | B | 284 | liq. | 281.5 M p | gas | ||
| a2 | 5 | CH2 twist | 1153 | B | ia | 1153 VW | gas | Spectrum of liquid 2Cl2, weak band is found at ν1156 cm(ν1, )may be assigned to ν5 | ||
| b1 | 6 | CH2 a-str | 3040 | B | 3045 | liq. | 3040 S dp | gas | ||
| b1 | 7 | CH2 rock | 898 | B | 897.7 M | gas | 893 VW | gas | ||
| b2 | 8 | CH2 wag | 1268 | B | 1268 S | gas | 1265 | liq. | ||
| b2 | 9 | CCl2 a-str | 758 | B | 758 VS | 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 |
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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