Timeline for Why does NMR deal with protons?
Current License: CC BY-SA 3.0
8 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
Feb 11, 2017 at 14:05 | comment | added | matt_black | NMR does deal with electrons, but not their spin. The nuclear environment that determines the NMR resonance of a nucleon is dependent on the electrons in the molecule and features like peak splitting are a result of transmission via electrons of features dependent on remote nuclei. | |
Feb 11, 2017 at 2:56 | comment | added | MaxW | EPR only works for unpaired electrons. Most organic compounds have only paired electrons. Organometallic complexes are fairly rare in the overall scheme of things. | |
Feb 11, 2017 at 2:43 | answer | added | long | timeline score: 5 | |
Feb 11, 2017 at 0:12 | comment | added | TLo | So can I know why electron spin are also not used to know a molecules structure in orgo? Why just focus on NMR? Does NMR have more usefulness? | |
Feb 10, 2017 at 23:07 | comment | added | Zhe | Electron spins are used for spectroscopy. The expected energy gap is different so you would be looking in a different area of the EM spectrum (i.e., microwave versus radio). See: en.wikipedia.org/wiki/Electron_paramagnetic_resonance | |
Feb 10, 2017 at 21:52 | comment | added | MaxW | Your question and title are inconsistent. All nuclei aren't just a proton. $\ce{^13C}$ is also used for NMR studies as well as other isotopes. | |
Feb 10, 2017 at 21:51 | comment | added | orthocresol | The energy gap between "up" and "down" spin states of an electron is much larger than the energy gap between the two spin states of a proton. So, the spectra don't quite interfere. It is possible to do what is essentially NMR, but on an electron: en.wikipedia.org/wiki/Electron_paramagnetic_resonance | |
Feb 10, 2017 at 21:32 | history | asked | TLo | CC BY-SA 3.0 |