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. Author manuscript; available in PMC: 2020 May 22.
Published in final edited form as: J Am Chem Soc. 2019 May 14;141(20):8116–8127. doi: 10.1021/jacs.8b12082

Figure 6.

Figure 6.

X-Band HYSCORE spectra (top) of natural abundance (left) and 15N enriched (right) [ArP3BFe(N2)][Na(12-C-4)2] with comparison (bottom) of experimental data (grey) to simulations of hyperfine couplings to 14/15Nα (red) using parameters in Table 1. Acquisition parameters: temperature = 20 K; magnetic field = 325.3 mT; microwave frequency = 9.411 GHz (14N), 9.424 GHz (15N); MW pulse length (π/2, π) = 8 ns, 16 ns; τ = 142 ns; t1 = t2 = 100 ns; Δt1 = Δt2 = 16 ns; shot repetition time (srt) = 1 ms).