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1H NMR Chemical Shift Correlation Chart

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  • Chemical shift range for R-CH3 hydrogens

    0.7 - 1.3 ppm

  • Chemical shift range for R-CH2-R hydrogens

    1.2 - 1.4 ppm

  • Chemical shift range for R3CH hydrogens

    1.4 - 1.7 ppm

  • Chemical shift range for hydrogens on alkene carbons (R—C=CH2)

    1.6 - 2.6 ppm

  • Chemical shift range for hydrogens alpha to carbonyl (R—C=O—CH3)

    2.1 - 2.4 ppm

  • Chemical shift range for hydrogens on aldehyde (R—CHO)

    9.0 - 10.0 ppm

  • Chemical shift range for hydrogens on aromatic ring (Ar-H)

    6.5 - 8.0 ppm

  • Chemical shift range for hydrogens on alkynes (R—C≡C—H)

    1.7 - 2.7 ppm

  • Chemical shift range for hydrogens on alcohols (R—OH)

    0.5 - 5.0 ppm (variable with concentration, temperature, solvent)

  • Chemical shift range for hydrogens on carboxylic acids (R—COOH)

    11.0 - 12.0 ppm

  • Chemical shift range for hydrogens on amides (R—CONH2)

    5.0 - 9.0 ppm

  • Chemical shift range for hydrogens on amines (R—NH2)

    0.5 - 4.0 ppm

  • Chemical shift range for hydrogens on aromatic amines (Ar—NH2)

    3.0 - 5.0 ppm

  • Chemical shift range for hydrogens on nitro compounds (NO2—CH3)

    4.1 - 4.3 ppm

  • Chemical shift range for hydrogens on thiols (R—SH)

    1.0 - 4.0 ppm

  • Chemical shift range for hydrogens on halogenated carbons (R—CH2—X, X = Cl, Br, I)

    2.0 - 4.1 ppm depending on halogen

  • Effect of concentration, temperature, and solvent on chemical shifts

    These factors influence the exact chemical shift values, especially for exchangeable protons like OH and NH.