Table 3. Least-Squares Curve-Fitting Results for EXAFS Spectra of the Solid Reaction Products 5–7 and a Concentrated Solution of the Rh–Glutathione Reaction Product 8^a,^b.

	Rh–(N/O)			Rh–S			Rh···Rhc
sample	CN	R (Å)	σ2 (Å2)	CN	R (Å)	σ2 (Å2)	CN	R (Å)	σ2 (Å2)	ΔE0	d
5	2.0	2.10	0.0037	4.1	2.34	0.0044	2.0	3.44	0.0142	0.7	14.7
6	3.2	2.10	0.0039	3.2	2.315	0.0042	0.77	3.03 f	0.0078	–0.4	18.5
7	2 f	2.09	0.0032	4.6	2.32	0.0050	0.80	3.10	0.0047	–0.2	17.5
8	2.5	2.08	0.0034	4.1	2.33	0.0050	0.85	3.11	0.0046	1.2	17.6

^aSee Figure 4.

^bAmplitude reduction factor (S₀²) = 0.92 fixed;²³f = fixed value; estimated errors: R ± 0.02 Å; σ² ± 0.001 Ų; CN ± 10–15%.

^cUncertain values for 5 and 6 (see text).

^d = fitting residual (%).