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What is a meso atom ?

  1. Nov 10, 2013 #1
    What is a "meso atom"?

    The class of compound I'm reading about is phthalocyanine:
    The article mentions "meso atoms" on the phthalocyanine molecule. What is a meso atom, and which of phthalocyanines atoms would be considered meso atoms?
  2. jcsd
  3. Nov 10, 2013 #2
    I would imagine the 'naming' of the carbons/atoms follows that of porphyrin.

    http://llg.chem.uni.wroc.pl/?Molecules:Porphyrin_Primer:Basics [Broken]
    Last edited by a moderator: May 6, 2017
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