|   Sample  |       Shell  |       Ra[Å]  |       Nb  |       σ2c[Å2]  |       ΔEd(eV)  |       R-factore  |    
|   Uranyl in solution  |       U-Oax  |       1.77 ± 0.01  |       2f  |       0.0014 ± 0.0002  |       2.1  |       0.016  |    
|   U-Oeq2  |       2.41 ± 0.01  |       5.1  |       0.0006 ± 0.0007  |    |||
|   Uranyl in fiber  |       U-Oax  |       1.79 ± 0.01  |       2f  |       0.006 ± 0.002  |       3.9  |       0.016  |    
|   U-Oeq1  |       2.36 ± 0.03  |       2.2  |       0.004 ± 0.001  |    |||
|   U-N  |       2.48 ± 0.03  |       2.1  |       0.004 ± 0.001  |    |||
|   U-Oeq2  |       2.51 ± 0.03  |       1.9  |       0.004 ± 0.002  |