- Bond length

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Lou1024

March 6th, 2006 17:05

Bond length

Hey everyone,
Consider the carbon-nitrogen bonds in the following:
http://img343.imageshack.us/img343/7823/science19dd.png
Which bond is shorter? Which is stronger?
Sorry for my terrible paint skills 8)
Thanks,
Lou

arit	March 7th, 2006 15:53

This is what my book says:

C-N: Bond length: 147 pm, energy: 305 kJ/mol
C (triple bond) N: Bond length: 116 pm, energy: 890 kJ/mol

RobJim

March 13th, 2006 00:15

Triple bonds are always shorter and stronger than single bonds, all else being equal. I can't think offhand how the negative charge affects things though.

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