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Ziegler-Natta polymerization of ethylene

  1. Oct 3, 2008 #1
    Hi everyone,

    Does anyone know much about the Ziegler-Natta polymerization reaction? I used Spartan to find a transition state structure (specifically for the insertion of ethylene into Cp2ZrCH3+), and I'm supposed to use a molecular vibration (with an imaginary frequency, corresponding to the actual motions during reaction) to deduce whether the reaction is concerted or occurs in discrete steps. Unfortunately the vibration didn't really show much in this respect, and I was hoping maybe someone out there knew a little more about this topic.
  2. jcsd
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