Explore BrainMass

NMR Tree Diagram

This content was STOLEN from BrainMass.com - View the original, and get the already-completed solution here!

In this problem the H NMR spectrum of styrene oxide shows that protons 1, 2, and 3 all have different chemical shift values. Proton 2 is coupled to both proton 1 (J= 5.8 Hz) and proton 3 (J=2.5 Hz). Draw a scale tree diagram and your best rendering of the resulting peaks for proton 2.

See attached file for full problem description.

© BrainMass Inc. brainmass.com October 24, 2018, 9:17 pm ad1c9bdddf


Solution Preview

Non-Equivalent Protons in Styrene Oxide

Please open up the jpg image which shows the tree diagram and resulting sketch of the nmr spectrum.

The spin-spin coupling pattern of proton 2 can be predicted from the coupling constant, J, measured between protons 2 and 3 and again between ...

Solution Summary

A NMR Tree Diagram for proton is drewn. The solution was rated '5/5' by the student who posted the question originally.

See Also This Related BrainMass Solution

NMR Splitting and Radical Mechanism

1. Knowing that Jac > Jab > Jbc how many lines (peaks) would be observed for Ha?

2. Write the free radical mechanism for the following decomposition and give the formula for the two radical involved in the propagation steps of the following free radical reaction.

View Full Posting Details