The proton NMR spectrum for a compound with the formula CsH100 is shown below along with the spectral data in tabular fo
Posted: Mon Jul 11, 2022 1:36 pm
The proton NMR spectrum for a compound with the formula CsH100 is shown below along with the spectral data in tabular form. (It may be necessary to expand (zoom) some of the ¹H signals to view spin-spin splitting details.) Ang 100 90- 80 70- 60 50 40 30 20 10 14 13 12 11 10 Chemical Shift (b) pom Reproduced with permission from Sigma-Aldrich Co. LLC The 1H signal at 2.15 ppm is an impurity. The infrared spectrum exhibits strong, broad bands at 3335 and 1000 cm³, plus a medium intensity band at 1650 cm, 13C NMR Data Normal Carbon DEPT-135 22.2 Positive Negative 40.9 60.2 Negative 112.5 Negative 142.3 No peak DEPT-90 No peak No peak No peak No peak No peak Proton Shift Relative Area 1.76 2.13 2.29 3.71 4.78 1H NMR Data 4.86 3 1.2 2.1 2.0 1.1 1.0