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. 2022 May 26;61(23):8703–8714. doi: 10.1021/acs.inorgchem.2c00461

Table 5. EXAFS Best-Fit Parameters of NpO2+ and PuO2+ in HClO4.

fit parameters NpO2+ (CN = 4) NpO2+ (CN = 5) PuO2+ (CN = 4) PuO2+ (CN = 5)
R(An–Oyl) (Å) 1.83(1) 1.83(1) 1.80(1) 1.80(1)
σ2(An–Oyl) (Å2) 0.0003 0.0000 0.0019 0.0015
R(An–OI) (Å) 2.51(1) 2.51(1) 2.47(1) 2.47(1)
σ2(An–OI) (Å2) 0.0034 0.0044 0.0061 0.0074
S02 0.9 0.8 0.8 0.7
E0 (eV) 6.0 5.6 6.4 6.1
Rfactor (%) 2.5 2.6 4.9 6.5