Table S1.

EPR conditions and simulation values

			g				g-Strain
Spectrum	ν, GHz	T, K	x	y	z	Average	x	y	z	Average
Fig. 3A (Top)	9.3883	7.5	1.9762	2.0187	2.0067	2.0005	0.0421	0.0050	0.0127	0.0199
Fig. 3A (Middle)	9.3851	7.1	1.9890	2.0168	2.0065	2.0041	0.0333	0.0066	0.0125	0.0175
Fig. 3A (Bottom)	9.3870	7.4	1.9789	2.0108	2.0072	1.9990	0.0379	0.0046	0.0124	0.0183
Fig. 5C	9.3848	8.8	1.9912	2.0222	2.0102	2.0078	0.0364	0.0045	0.0116	0.0175
Fig. 5D (Upper)	9.3859	7.2	1.9755	2.0216	2.0094	2.0022	0.0439	0.0052	0.0122	0.0204
Fig. 5D (Lower)	9.3881	7.6	1.9834	2.0206	2.0072	2.0037	0.0409	0.0058	0.0133	0.0200
Fig. S1B	9.3892	8.9	1.9931	2.0222	2.0108	2.0087	0.0353	0.0047	0.0120	0.0173