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adamconner
 one year ago
What do you notice about the frequency of the CH stretch as you go from hexane to 1hexene to 1hexyne?
What factors do you think can contribute to this difference in CH stretching frequency?
adamconner
 one year ago
What do you notice about the frequency of the CH stretch as you go from hexane to 1hexene to 1hexyne? What factors do you think can contribute to this difference in CH stretching frequency?

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aaronq
 one year ago
Best ResponseYou've already chosen the best response.2we can model bonds as springs, how does the frequency of oscillation of a spring change with increasing "stiffness"?

nincompoop
 one year ago
Best ResponseYou've already chosen the best response.0maybe the word stretch is not appropriate but the relative bond length do changes from singe to double and triple bonds

aaronq
 one year ago
Best ResponseYou've already chosen the best response.2the word stretch is used in IR spectroscopy  which is what this is about.

Photon336
 one year ago
Best ResponseYou've already chosen the best response.0Yeah @aaronq I think they do talk about bond stretching in IR a lot.. as you go from single to double to triple the number of bonds increases and bond length goes down. But i'm not sure though I mean I guess that if bond length goes down that would affect the frequency of oscillations, maybe fewer. perhaps since double and triple bonds have fewer degrees of freedom.

aaronq
 one year ago
Best ResponseYou've already chosen the best response.2bond length shortening increases the frequency of oscillations

abb0t
 one year ago
Best ResponseYou've already chosen the best response.0Yes, stretching is an appropriate word.
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