Why is Pz orbital used to represent sigma bond in M.O theory?  [ENDORSED]

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David Sung 2H
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Why is Pz orbital used to represent sigma bond in M.O theory?

Postby David Sung 2H » Thu Nov 17, 2016 10:43 am

Is this experimentally determined, or is there a specific reason why it is the Pz, and not any of the other p orbitals that represent the sigma bond in Molecular Orbital theory?

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Re: Why is Pz orbital used to represent sigma bond in M.O theory?  [ENDORSED]

Postby Chem_Mod » Thu Nov 17, 2016 11:15 am

It's a convention. We can define the z axis to be oriented in any direction but we choose to define it as parallel to the internuclear axis.


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