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. Author manuscript; available in PMC: 2013 Oct 3.
Published in final edited form as: J Am Chem Soc. 2012 Sep 21;134(39):16255–16264. doi: 10.1021/ja305900r

Figure 2.

Figure 2

Monomer Structure. (a.) Structures of 5 and 6. (b.) XRCS of 5. (c.) XRCS of 6. (d.) Structure of 1 geometry minimized using B3LYP/6–31G(d). (e.) Models of benzyl and TBDMS protected chain ends minimized using AM1 showing the effect of protecting group size on steric barriers to polymerization.