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+/- in p orbitals

  1. Apr 29, 2013 #1
    In the attached figure, what is the physical meaning of signs + and - in opposite lobes of p orbitals?

    Attached Files:

  2. jcsd
  3. Apr 29, 2013 #2
    Those indicate the phase of the p orbitals. Recall that p orbitals have a node, so that, e.g. for the left one the function is positive to the right of the y axis and negative to the left of the y axis.
  4. Apr 29, 2013 #3
    Thank you. Do you mean that it is due to the radial part of wave function? If so, how to realize between px and py?
  5. Apr 29, 2013 #4
    No it's actually do to the angular part. px and py are just rotations of pz.
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