Advanced Organic Chemistry: Infrared spectrum of 1,1,2-trichloroethane CH2ClCHCl2

Interpreting and explaining the infrared spectrum of 1,1,2-trichloroethane

[Author © Dr Phil Brown PhD: Doc Brown's advanced level organic chemistry exam revision notes suitable for students of UK A level chemistry courses & US K12 grade 11, grade 12 and AP honors chemistry courses: Molecular spectrometry - analysing the infrared spectra of 1,1,2-trichloroethane [spectra page updated April 3rd 2026 *]

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Introductory note on the infrared spectrum of 1,1,2-trichloroethane

Students and teachers please note my explanation of the infrared spectrum of 1,1,2-trichloroethane is designed for advanced, but pre-university, chemistry courses.

Based in the infrared spectrum diagram for 1,1,2-trichloroethane, only some of the most prominent peaks for particular bond vibrations are discussed, particularly if 1,1,2-trichloroethane has a functional group with a particular characteristic wavenumber peak.

The infrared spectrum of 1,1,2-trichloroethane is unique and the whole, or selected wavenumbers, can be used to fingerprint its identity, sometimes analysing a mixture containing 1,1,2-trichloroethane or following its change of concentration in a reaction.

infrared spectrum of 1,1,2-trichloroethane C2H3Cl3 Cl2CHCH2Cl wavenumbers cm-1 functional group detection fingerprint pattern identification of 1,1,2-trichloroethane doc brown's advanced organic chemistry revision notes 

Spectra obtained from a liquid film of 1,1,2-trichloroethane. The right-hand part of the of the infrared spectrum of 1,1,2-trichloroethane, wavenumbers ~1500 to 400 cm-1 is considered the fingerprint region for the identification of 1,1,2-trichloroethane and most organic compounds. It is due to a unique set of complex overlapping vibrations of the atoms of the molecule of 1,1,2-trichloroethane.

1,1,2-trichloroethane  Cl2CHCH2Cl  or  CHCl2CH2Cl

The molecular structure and naming of haloalkanes

Interpretation of the infrared spectrum of 1,1,2-trichloroethane

The most prominent infrared absorption lines of 1,1,2-trichloroethane

As with any molecule with an alkyl group in the molecule, C-H stretching vibrations occur at wavenumbers 2975 to 2845 cm-1 and 1470 to 1340 cm-1.

For 1,1,1-trichloroethane, there are series of C-Cl vibrations bands of various modes at wavenumbers 800 to 580 cm-1.

The absence of other specific functional group bands will show that a particular functional group is absent from the 1,1,2-trichloroethane molecular structure.

Key words & phrases: C2H3Cl3 Cl2CHCH2Cl CHCl2CH2Cl ClCH2CHCl2 CH2ClCHCl2 image and diagram explaining the infrared spectrum of 1,1,2-trichloroethane, complete infrared absorption spectrum of 1,1,2-trichloroethane, comparative spectra of 1,1,2-trichloroethane, prominent peaks/troughs for identifying functional groups in the infrared spectrum of 1,1,2-trichloroethane, important wavenumber values in cm-1 for peaks/troughs in the infrared spectrum of 1,1,2-trichloroethane, revision of infrared spectroscopy of 1,1,2-trichloroethane, fingerprint region analysis of 1,1,2-trichloroethane, how to identify 1,1,2-trichloroethane from its infrared spectrum, identifying organic compounds like 1,1,2-trichloroethane from their infrared spectrum, how to analyse the absorption bands in the infrared spectrum of 1,1,2-trichloroethane detection of functional groups in the 1,1,2-trichloroethane molecule example of the infrared spectrum of a molecule like 1,1,2-trichloroethane with a functional group  interpreting interpretation of the infrared spectrum of 1,1,2-trichloroethane shows presence of functional group formula old names functional group How do you interpret the infrared absorption spectrum of 1,1,2-trichloroethane How to interpret the infrared spectrum of 1,1,2-trichloroethane Explanatory diagram of the infrared spectrum of the 1,1,2-trichloroethane molecule in terms of its molecular structure. Listing data of the prominent main wavenumber peaks troughs in the infrared spectrum of 1,1,2-trichloroethane. How to explain the infrared spectrum of 1,1,2-trichloroethane. Use of the infrared spectrum of 1,1,2-trichloroethane, identification of 1,1,2-trichloroethane from its infrared spectrum - fingerprint wavenumber pattern to identify the 1,1,2-trichloroethane molecule. The uses of the infrared spectrum of the 1,1,2-trichloroethane molecule. The distinctive features of the infrared spectrum of the 1,1,2-trichloroethane molecule explained interpretation diagram explaining the peaks-trough of the transmittance of the infrared spectrum of 1,1,2-trichloroethane what does the infrared spectrum tell you about the structure and properties of the 1,1,2-trichloroethane molecule? How is infrared spectrum of 1,1,2-trichloroethane used to identify 1,1,2-trichloroethane?

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The infrared spectrum of 1,1,1-trichloroethane

The infrared spectrum of 1,1,2-trichloroethane

The mass spectrum of 1,1,1-trichloroethane

The mass spectrum of 1,1,2-trichloroethane

The H-1 NMR spectrum of 1,1,1-trichloroethane

The H-1 NMR spectrum of 1,1,2-trichloroethane

The C-13 NMR spectrum of 1,1,1-trichloroethane

The C-13 NMR spectrum of 1,1,2-trichloroethane

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