In these exercises you need to assign a molecule to the NMR signals by:

1. click on the assignment line in the table on the right

2. click on the corresponding atoms in the molecule

3. To delete an assignment click on the chain icon of the I column

4. If the assignment is fully correct the table row will be highlighted in green

5. To reset/delete your answers from the computer click on "Delete answers"

 

These are experimental spectra and may contain some impuritites like the residual solvents.

 

In CDCl3, water is around 1.5ppm and CHCl3 at 7.27.

In DMSO-d6, water is at around 3.5 and DMSO-d5 at 2.5.

If the solvent is not specified it is CDCl3.

The acetone used to clean the NMR tubes may also be an impurity in the spectra.