The percent s-character of carbon participating in a C-H bond can be established by measuring the 13C-1H coupling constant and using the following relationship: Percent s-character 5 0.2 J(13C-1H)The 13C-1H coupling constant observed for methane, for example, is 125 Hz, which gives 25% s-character, the value expected for an sp3 hybridized carbon atom. Q.) Calculate the expected 13C-1H coupling constant in ethylene and acetylene.

The percent s-character of carbon participating in a C-H bond can be established by measuring the 13C-1H coupling constant and using the following relationship: Percent s-character 5 0.2 J(13C-1H)The 13C-1H coupling constant observed for methane, for example, is 125 Hz, which gives 25% s-character, the value expected for an sp3 hybridized carbon atom. Q.) Calculate the expected 13C-1H coupling constant in ethylene and acetylene.

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions

Section20.3: Uv-visible Spectroscopy

Problem 20.5P

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The percent s-character of carbon participating in a C-H bond can be established by measuring the 13C-1H coupling constant and using the following relationship: Percent s-character 5 0.2 J(13C-1H)The 13C-1H coupling constant observed for methane, for example, is 125 Hz, which gives 25% s-character, the value expected for an sp3 hybridized carbon atom. Q.) In cyclopropane, the 13C-1H coupling constant is 160 Hz. What is the hybridization of carbon in cyclopropane?
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