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. Author manuscript; available in PMC: 2009 May 21.
Published in final edited form as: J Am Chem Soc. 2008 Apr 30;130(20):6624–6638. doi: 10.1021/ja710669w

Figure 4.

Figure 4

Molecular structures of 3a (top) and 4a (bottom), showing 50% thermal ellipsoids. The aryl isopropyl groups are omitted for clarity. Selected bond distances (Å) and angles (°) for 3a: Fe-N3 2.041(2), Fe-N3′ 2.079(2), N3-C14 1.258(2), Fe-N3-Fe′ 96.72(6), N3-C14-C24 125.4 (2). For 4a: Fe1-Fe2 2.7816(8), Fe1-N5 2.000(3), Fe2-N5 2.016(3), Fe1-H1 1.69(3), Fe2-H1 1.67(3), N5-C15 1.258(4), Fe1-N5-Fe2 87.7(1), N5-C15-C25 129.3(3).