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. Author manuscript; available in PMC: 2023 Jul 25.
Published in final edited form as: Angew Chem Int Ed Engl. 2022 Jun 2;61(30):e202204570. doi: 10.1002/anie.202204570

Table 1.

Selected Bond Lengths, Angles and Vibrational Stretches for Compounds 1–3.

1 2 3
<(Fe−N−O) (°) 172.9(2), 166.2(3) 170.0(6) 171.8(2), 163.1(2)
d(N−O) (AÅ) 1.166(3), 1.174(3) 1.140(7) 1.181(3), 1.187(3)
d(Fe−N) (AÅ) 1.670(2), 1.683(2) 1.731(5) 1.663(2), 1.681(2)
νN−O (cm−1) 1735, 1685 1795 1650, 1618
τ 4 [17][18] 0.92 0.98 0.99