1 / 28

1 H-NMR SPECTROSCOPY 2008

1 H-NMR SPECTROSCOPY 2008. Unknown C 4 H 8 O 2. 1 H-NMR. 1 H-NMR - Theory. 3.1 Nuclear Spin States 3.2 Nuclear Magnetic Moments 3.3 Absorption of Energy. 1 H-NMR - Theory. 1 H-NMR - Theory. 3.4 Absorption / Resonance. 3.4 Absorption / Resonance. 1 H-NMR . 3.7 The Spectrometer.

urit
Download Presentation

1 H-NMR SPECTROSCOPY 2008

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 1H-NMR SPECTROSCOPY 2008

  2. Unknown C4H8O2

  3. 1H-NMR

  4. 1H-NMR - Theory 3.1 Nuclear Spin States 3.2 Nuclear Magnetic Moments 3.3 Absorption of Energy

  5. 1H-NMR - Theory

  6. 1H-NMR - Theory 3.4 Absorption / Resonance 3.4 Absorption / Resonance

  7. 1H-NMR 3.7 The Spectrometer The FID (Free Induction Decay) Fourier Transform (time domain signal converted to frequency domain signal)

  8. 1H-NMR – Chemical Shift Chemical equivalence Hybridization effects Electronegativity Effects Shielding (vs deshielded) hexane

  9. 1H-NMR Chemical Shift Hybridization effects Electronegativity Effects

  10. 1H-NMR – Chemical Shift

  11. 1H-NMR – Chemical Shift Acidic and Exchangeable Protons - Chemical Shift Ranges

  12. 1H-NMR – Chemical Shift Magnetic Anisotropy (3.12)

  13. 1H-NMR – Coupling Spin-Spin Splitting (3.13)

  14. 1H-NMR – Coupling Spin-Spin Splitting (3.13)

  15. 1H-NMR – Coupling Spin-Spin Splitting (3.13)

  16. 1H-NMR – Coupling The Coupling Constant (3.17)

  17. 1H-NMR – Coupling The Coupling Constant (3.17)

  18. 1H-NMR – Coupling The Coupling Constant (3.17)

  19. 1H-NMR – Coupling The Coupling Constant (3.17)

  20. 1H-NMR – Coupling The Coupling Constant (3.17)

  21. 1H-NMR – Coupling - The Coupling Constant (3.17) C6H5-CH=CH-CO2CH3 C10H10O2 2587.6 2571.6 3073.8 3089.8

  22. 1H-NMR - Aromatics (3.19C)

  23. 1H-NMR 4-n-propylphenol

  24. 1H-NMR - Aromatics Chemical Shift Calculation 6.75 vs 7.03 ppm

  25. 1H-NMR – Unknown (C6H4Br)

  26. 1H-NMR – Unknown (C6H6BrN)

  27. 1H-NMR – Unknown (C7H7BrO) C7H7OBr

  28. 1H-NMR – Unknown isomers Unknown A (C7H14) Unknown B (C7H14)

More Related