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INFRARED (IR) SPECTROSCOPY

INFRARED (IR) SPECTROSCOPY. IR Spectroscopy – The Spectrum. IR Spectroscopy – The Spectrum. IR Spectroscopy. IR Spectroscopy - Theory. h n. IR – Bond Properties and Absorption Trends. Energy is proportional to the frequency n of the vibration.

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INFRARED (IR) SPECTROSCOPY

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  1. INFRARED (IR) SPECTROSCOPY

  2. IR Spectroscopy – The Spectrum

  3. IR Spectroscopy – The Spectrum

  4. IR Spectroscopy

  5. IR Spectroscopy - Theory hn

  6. IR – Bond Properties and Absorption Trends Energy is proportional to the frequency n of the vibration Frequency is related to the force constant (K) and the Reduced mass (m) The molecule may possess only quantized amounts of energy. En = (n + ½)hn, n = 0, 1, 2, 3,….

  7. IR – Bond Properties and Absorption Trends

  8. IR – Modes of Stretching and Bending

  9. IR – Correlation Chart

  10. IR – Pentane; neat vs gas phase vs CCl4 solution neat Gas phase CCl4 solution

  11. IR – Alkyl Halides

  12. IR – Alkenes

  13. IR – Alkenes: Out Of Plane bending (the oop region)

  14. IR – Alkynes 1-heptyne

  15. IR – Aromatics

  16. IR – Aromatics; Substitution Pattern

  17. IR – Alkenes: Out Of Plane bending (the oop region)

  18. IR – Alcohols and Phenols

  19. IR – Alcohols; 1o vs 2o vs 3o

  20. IR – Unknown (C6H14 O)

  21. IR – Ethers

  22. IR – Carbonyl compounds

  23. IR – Ketones Conjugation effects

  24. IR – Ketones Conjugation effects

  25. IR – Aldehydes

  26. UNKNOWN C8H8O

  27. IR – Carboxylic Acids

  28. IR – Esters

  29. UNKNOWN C8H8O2

  30. IR – Amides

  31. Nitrogen Containing Compounds Amides Amines Nitro- Nitrile

  32. IR – Amides C5H11NO Isomers

  33. IR – Amines (Anilines)

  34. IR – Nitriles and Nitros

  35. IR Problem 5c (page 92, Intro to Spectroscopy, 3rd Ed.)

  36. IR Problem 5g (page 94, Intro to Spectroscopy, 3rd Ed.)

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