Table 2. EPR Parameters Used for Simulations of the W^V Signals^a.

	g1	g2	g3	g-anisotropy	g-rhombicity
WDV	1.993 (0.009)	1.909 (0.005)	1.852 (0.007)	0.141	0.59
WFV	1.995 (0.010)	1.881 (0.006)	1.852 (0.007)	0.143	0.79
183W hyperfine parameters	A1	A2	A3
183WD	225 (20)	112(10)	123 (10)
183WF	225 (20)	129(5)	134 (5)

^aSpectral broadening was described by the g-strain effect (parameters in brackets). Anisotropy (g₁–g₃) and rhombicity [(g₁ – g₂)/(g₁ – g₃)] were also calculated. The natural abundance of the isotope ¹⁸³W (I = 1/2) was considered (14.3%), and hyperfine coupling parameters are given in MHz.