Octet

Octet / H Nmr Table

Electron-poor aromatic

¹H NMR: protons in a Electron-poor aromatic environment appear at δ 7.5-8.5 ppm. e.g., nitrobenzene.

H Nmr Table details

Environment

Electron-poor aromatic

Chemical Shift Range

7.5-8.5

Notes

e.g., nitrobenzene

This is one row of the Spectroscopy sheet - print all 23 ¹H NMR shifts on one page.

H Nmr Table

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Source collection

R-CH₃ (primary alkyl)

¹H NMR: protons in a R-CH₃ (primary alkyl) environment appear at δ 0.9-1.0 ppm. Most shielded.

R₂CH₂ (secondary alkyl)

¹H NMR: protons in a R₂CH₂ (secondary alkyl) environment appear at δ 1.2-1.4 ppm.

R₃CH (tertiary alkyl)

¹H NMR: protons in a R₃CH (tertiary alkyl) environment appear at δ 1.4-1.7 ppm.

Allylic (C=C-CH)

¹H NMR: protons in a Allylic (C=C-CH) environment appear at δ 1.6-2.0 ppm. Adjacent to C=C.

Benzylic (Ar-CH)

¹H NMR: protons in a Benzylic (Ar-CH) environment appear at δ 2.2-2.5 ppm. Adjacent to aromatic ring.

Propargylic (C≡C-CH)

¹H NMR: protons in a Propargylic (C≡C-CH) environment appear at δ 1.8-2.2 ppm.

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