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Table 3 EXAFS fitting parameters for all Fe K-edge EXAFS spectra

From: Effects of metal cation substitution on hexavalent chromium reduction by green rust

Samplek-rangeR-valueS20Shell:
ΔE0 (eV)
Fe-0
CN
R (Å)σ2−2)FeFe (edge-sharing)
CN
R (Å)σ2−2)FeFe (corner-sharing)
CN
R (Å)σ2−2)
Feroxyhyte4–140.0140.9*− 4.196*1.980.0132.80 ± 13%3.030.015*2.39 ± 20%3.410.015*
oxGR4–110.0040.9*− 4.636*1.98*0.0113.88 ± 10%3.050.015*2.49 ± 20%3.410.015*
oxAl-GR4–140.0110.9*− 4.566*1.98*0.0123.19 ± 12%3.040.015*2.59 ± 20%3.380.015*
oxMg-GR4–130.0080.9*− 4.116*1.98*0.0123.18 ± 10%3.020.015*2.23 ± 20%3.410.015*
oxZn-GR4–130.0060.9*− 4.26*1.98*0.0123.73 ± 10%3.050.015*2.26 ± 20%3.410.015*
  1. *Parameter was fixed during fitting