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. Author manuscript; available in PMC: 2018 May 23.
Published in final edited form as: J Am Chem Soc. 2017 Apr 17;139(16):5952–5956. doi: 10.1021/jacs.7b01982

Figure 5.

Figure 5

Synthesis of 3 (Fe1–N1: 1.679(6) Å; N1–N2: 1.252(8) Å; N1–N2–B: 130.6(6)°); Synthesis of 4 (Fe1–N1: 1.742(3) Å; N1–N2: 1.177(5) Å; N2–Fe2: 1.884(3) Å; Fe1–N1–N2: 175.1(3)°; Fe2–N2–N1: 173.4(3)°). The bond metrics of 4 were of obtained from one of the two crystallographically unique units within the unit cell. See the SI for details. Nonessential atoms and counteranions omitted for clarity. Ellipsoids shown at 50% probability.