IR Spectra

Card Set Information

Author:
mse263
ID:
202817
Filename:
IR Spectra
Updated:
2014-10-07 19:56:41
Tags:
OChem
Folders:
OChem
Description:
absorbances
Show Answers:

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  1. O—H alcohol (no H-bonding)
    3640-3580 (v)
  2. O—H alcohol (H-bonding)
    3600-3200 (s, broad)
  3. N—H amides
    3500-3350 (m)
  4. N—H amines
    3450-3200 (m)
  5. C—H alkynes
    3300-3220 (s)

    (triple bond)
  6. C—H aromatic
    3100-3000 (v)
  7. C—H alkenes
    3060-3020 (m) 

    (double bond)
  8. C—H alkanes
    2980-2860 (s)
  9. C—H aldehyde
    2900+, 2700+ (m, 2 bands)
  10. O—H acids (H-bonding)
    3000-2500 (s, broad)
  11. C≡C alkynes
    2260-2120 (v)
  12. C≡N nitrile
    2260-2220 (v)
  13. C=O ester
    1750-1735 (s)
  14. C=O aldehyde
    1740-1720 (s)
  15. C=O ketone
    1725-1705 (s)
  16. C=O acid
    1725 -1700 (s)
  17. C=O aryl ketone
    1700 -1680 (s)
  18. C=O amide
    1690-1650 (s)
  19. C=O α,β-unsaturated ketone
    1685 -1665 (s)
  20. C=C alkene
    1680 - 1620 (v)
  21. C=C aromatic
    1600-1450 (v)
  22. C—O alcohols, ethers, esters
    1300 -1000 (s)
  23. C—N amines, alkyl
    1220 -1020 (w)

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