Table 2. Hyperfine Couplings (MHz) Used for Horseradish EDNMR Spectral Simulations Presented in Figure 3.

W-band (94 GHz)	hyperfine values (MHz) used in simulations
hyperfine matrix	Mn1	Mn2	Mn3	Mn4	1H
[A11, A22, A33]—this work (open cubane)	[−104, −104, −97.5]	[−96.5, −96.5, −91.3]	–2.4	–7.2	1
[A11, A22, A33]—Chrysina et al.17 (closed cubane)	[−104, −104, −97.5]	[−97, −102.5, −97]	[−96.5, −96.5, −91.3]	[28, 32, 127]	1