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(○), Fourier transform of the K-edge EXAFS spectrum of 0.10 M Cu(II) in aqueous 4 M imidazole solution; (
), the final fit using the split axial model with eight outlying oxygen scatterers distributed into two shells (see Table 1 for the metrics), and; (
), the fit residual. Inset: (○), the EXAFS spectrum; (
), the final fit, and; bottom, (
), the fit residual
