13C nmr spectrum of 1,1,2-trichloroethane C2H3Cl3 Cl2CHCH2Cl analysis of chemical shifts ppm interpretation of C-13 chemical shifts ppm of 1,1,2-trichloroethane C13 13-C nmr doc brown's advanced organic chemistry revision notes

Advanced Organic Chemistry: Carbon-13 NMR spectrum of 1,1,2-trichloroethane CH₂ClCHCl₂

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Interpreting the Carbon-13 NMR 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 13C NMR spectra of 1,1,2-trichloroethane [spectra page updated April 3rd 2026 *]

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Introductory note on the 13C NMR spectrum of 1,1,2-trichloroethane

Students and teachers please note that my explanation of the carbon-13 NMR spectrum of 1,1,2-trichloroethane is designed for advanced, but pre-university, chemistry courses.

The description does not involve the chemical shift δ spin-spin coupling effects for 1,1,2-trichloroethane and the relative size of the carbon-13 NMR shifts does not give the ratio of the carbon atoms in the different non-equivalent chemical environments of the 1,1,2-trichloroethane molecule.

The most common solvent used for investigating the 13C NMR spectrum of compounds like 1,1,2-trichloroethane, is CDCl₃ and other deuterated solvents.

13C nmr spectrum of 1,1,2-trichloroethane C2H3Cl3 Cl2CHCH2Cl analysis of chemical shifts ppm interpretation of C-13 chemical shifts ppm of 1,1,2-trichloroethane C13 13-C nmr doc brown's advanced organic chemistry revision notes

TMS is the acronym for tetramethylsilane, formula Si(CH₃)₄, whose ¹³C atoms are arbitrarily given a chemical shift of 0.0 ppm. This is the 'standard' in ¹³C NMR spectroscopy and all other ¹³C resonances, called chemical shifts, are measured with respect to the TMS, and depend on the individual (electronic) chemical environment of the ¹³C atoms in an organic molecule - 1,1,2-trichloroethane here.

1,1,2-trichloroethane Cl₂CHCH₂Cl or CHCl₂CH₂Cl

The molecular structure and naming of haloalkanes

Interpreting the C-13 NMR spectrum of 1,1,2-trichloroethane

As you can see from the diagram above there are 2 different ¹³C chemical shift lines in the C-13 NMR spectrum of 1,1,2-trichloroethane indicating 2 different chemical environments of the 2 carbon atoms of 1,1,2-trichloroethane.

Cl₂CH-CH₂Cl or CHCl₂CH₂Cl

(Note the 2 different colours indicating the 2 different chemical environments of the 2 carbon atoms in 1,1,2-trichloroethane).

¹³C chemical shifts (a) and (b) on the C-13 NMR spectrum diagram for 1,1,2-trichloroethane.

The carbon-13 NMR spectra provides direct evidence of 2 different carbon atom environments for the 2 carbon atoms in the 1,1,2-trichloroethane molecule, deduced from the presence of 2 different 13C NMR chemical shifts (ppm).

Key words & phrases: C2H3Cl3 Cl2CHCH2Cl CHCl2CH2Cl ClCH2CHCl2 CH2ClCHCl2 Interpreting the C-13 NMR spectra of 1,1,2-trichloroethane, C-13 nmr spectrum of 1,1,2-trichloroethane, understanding the carbon-13 nmr spectrum of 1,1,2-trichloroethane, explaining the line pattern in the high resolution C-13 nmr spectra of 1,1,2-trichloroethane, revising the C-13 nmr spectrum of 1,1,2-trichloroethane, ppm chemical shifts of the C-13 nmr spectrum of 1,1,2-trichloroethane, how to construct the diagram of the C-13 nmr spectrum of 1,1,2-trichloroethane, how to analyse the chemical shifts in the carbon-13 NMR spectrum of 1,1,2-trichloroethane deducing the chemical environment of all the carbon atoms in 1,1,2-trichloroethane examining the c13 nmr spectrum of 1,1,2-trichloroethane analysing the 13-c nmr spectrum of 1,1,2-trichloroethane how do you sketch and interpret the C-13 NMR spectrum of 1,1,2-trichloroethane interpreting interpretation of the C-13 NMR spectrum of 1,1,2-trichloroethane assignment of chemical shifts in the 13C NMR spectrum of 1,1,2-trichloroethane type functional group old names How do you interpret the chemical shifts of the C-13 NMR spectrum of 1,1,2-trichloroethane How to interpret the C-13 NMR spectrum of 1,1,2-trichloroethane Explanatory diagram of the 13C C-13 carbon-13 NMR spectrum of the number of different carbon atom environments in the 1,1,2-trichloroethane molecule from its carbon-13 NMR spectrum to help work out the molecular structure of the 1,1,2-trichloroethane molecule? The uses and distinctive features of the carbon-13 NMR spectrum of the 1,1,2-trichloroethane molecule explained. What do the number and values of the chemical shifts from the c-13 carbon-13 NMR spectrum tell us about the 1,1,2-trichloroethane molecule? explaining the decoupled carbon-13 NMR spectrum of 1,1,2-trichloroethane with a detailed interpretation diagram of all the C-13 chemical shifts and intensities

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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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