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IRS Spectrum

  1. H-X
    4000 - 3000
  2. O-H
    3590 - 3200
  3. -NH2 or NH
    3500 - 3300
  4. Alkyne (=C-H)
    3300
  5. Alkene (=C-H)
    3100 - 3000
  6. aromatic Ring (Ar-H)
    3030
  7. Carboxyl (acids usually) (O=C-O-H)
    3000 - 2500
  8. Alkyl hydrogen bond (CH3, CH2, CH)
    2970 - 2820
  9. Aldehyde (O=C-H)
    2810 + 2715*
  10. Triple Bonds (C=C)
    • 2260 - 2100
    • nothing but triple bonds in this section
  11. Double Bonds (C=C)
    1680 - 1620
  12. C=O
    1850 - 1670
  13. Anhydride (C=O)-O-(C=O)
    1820 + 1700
  14. Acids Carboxyl (C=O)-OH
    1780 - 1710
  15. Esters (C=O)-OR
    1750 - 1735
  16. Ketone (C=O)
    1750 - 1680
  17. Aldehydes (C=O)
    1740 - 1690
  18. Ethers C-O-C
    1200 - 1050
  19. Monobenzene ring (straight up)
    770 - 730 + 710 - 690*
  20. Metabenzene Ring (straight up and second one over)
    810 - 750 + 725 - 680*
  21. Orthobenzene ring (straight up and to the right)
    745
  22. Parabenzene Ring (straight up and straight down)
    810
Author
princesspink21
ID
62831
Card Set
IRS Spectrum
Description
Spectroscopy
Updated

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