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Tetraphenylporphyrin and dipole moments

  1. Oct 11, 2004 #1
    A copper(II) ion fits perfectly into the center of tetraphenylporphyrin (TPP), and i was wondering if by doing so, will it become more polar or less polar than the original TPP?

    this is something that i forgot, but can someone please correct me if i am wrong?

    if a molecule has no dipole moment, then it is non polar right? and the more dipole moment it has, the more polar it is right?

    also..tetraphenylchlorine has a dipole moment, while tetraphenyloporphin has no dipole moment right?
  2. jcsd
  3. Oct 11, 2004 #2


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    A copper ion is present in the center of TPP molecule... It has ionic and coordinatively covalent bonds between Cu and TPP nitrogens. So I presume that the resulting non-ionic molecule would be more polar than original TPP, as there should be an electron flow through Cu center.
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