Infrared Spectroscopy

Outline

  1. Background Information

    1. Electromagnetic Radiation

    2. Molecular Vibrations

    3. Infrared Spectroscopy Basics

  2. Instrumentation

  3. General Approach to IR Spectrum Analysis

  4. Table of Functional Group Absorptions

  5. Example Spectra for Various Functional Groups

    1. alkane

    2. alkene

      1. terminal alkene

      2. trans alkene

      3. cis alkene

      4. 1,1-disubstituted alkene

      5. trisubstituted alkene

    3. alkyne

      1. terminal alkyne

      2. internal alkyne

    4. alkyl halide

      1. alkyl fluoride

      2. alkyl chloride

      3. alkyl bromide

      4. alkyl iodide

    5. aromatic

      1. mono-substituted aromatic

      2. ortho-substituted aromatic

      3. meta-substituted aromatic

      4. para-substituted aromatic

    6. alcohol

    7. ether

    8. aldehyde

    9. ketone

    10. carboxylic acid

    11. ester

    12. acid chloride

    13. acid anhydride

    14. amine

      1. primary amine

      2. secondary amine

      3. tertiary amine

    15. amide

      1. unsubstituted amide

      2. N-substituted amide

      3. N,N-disubstituted amide

    16. nitrile

    17. isocyanate

    18. isothiocyanate

    19. nitro compound

      1. aliphatic nitro compound

      2. aromatic nitro compound

    20. mercaptan

    21. sulfoxide

    22. sulfone

    23. sulfonate

    24. phosphine

    25. phosphine oxide

  6. Problems

    1. Unknown 1

    2. Unknown 2

    3. Unknown 3

    4. Unknown 4

    5. Unknown 5

    6. Unknown 6

    7. Unknown 7

    8. Unknown 8

    9. Unknown 9

    10. Unknown 10

    11. Unknown 11

    12. Unknown 12

    13. Unknown 13