Table 1. Triplet Parameters Obtained from the Simulations of the TR-EPR Spectra when Two Species are Present; Each Row Reports Two Sets of Parameters^a.

	|D|	|E|	|E/D|	Px/Py/Pz	%
P0	0.111	0.030	0.270	0.80:0.00:0.20	100
P1	0.098	0.019	0.194	0.00:0.49:0.51	>95
	0.111	n.d.	n.d.	n.d.	n.d.
GdP1	0.098	0.019	0.194	0.00:0.39:0.61	>95
	0.111	n.d.	n.d.	n.d.	n.d.
1 & Gd1	0.092	0.017	0.185	0.00:0.00:1.00	63
	0.111	0.013	0.117	1.00:0.00:0.00	37
2	0.090	0.008	0.089	0.07:0.00:0.93	62
	0.100	0.024	0.240	0.93:0.07:0.00	38
Gd2	0.090	0.008	0.089	0.00:0.02:0.98	73
	0.100	0.024	0.240	0.90:0.00:0.10	27
3	0.074	0.016	0.216	0.79:0.21:0.00	100
Gd3	0.070	0.016	0.229	0.49:0.51:0.00	100

^aAbsolute values of the ZFS parameters |D| and |E| (cm^–1); |E/D| ratio; triplet sublevel population (P_x, P_y, and P_z); relative amount of each spectral component (%). The g tensor for all is g_xx = 2.006, g_yy = g_zz = 2.009. n.d. = not determined.