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P orbital notation 
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#1
May2113, 03:13 PM

P: 182

Hi,
Reading http://rmp.aps.org/abstract/RMP/v70/i4/p1039_1 I've run into a notational question of atomic p orbitals. The authors use symbols like [itex]p_\sigma[/itex] and [itex]p_\pi[/itex]. From their fig. 3 (attached), they do look like [itex]p_x[/itex] and [itex]p_z[/itex] orbitals, respectively, rather than anything close to σ or π bonds. Is this just a common notational convention that I've somehow missed? And if so, what is the symbol for the third p orbital? 


#2
May2213, 01:33 AM

Sci Advisor
P: 3,593

Where's the figure?



#3
May2213, 04:20 AM

P: 182

Here it is, I hope...



#4
May2213, 04:34 AM

Sci Advisor
PF Gold
P: 1,352

P orbital notation
They are the indeed ##p_x## and ##p_z##orbitals. My guess is that they are using this notation to signify that the bond formed will be a ##\sigma## or ##\pi## bond.



#5
May2213, 04:49 AM

P: 182

Ah! Now that makes some sense. Thank you.



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