Table 1 EXAFS fit results for the “Äspö-calcite” sample.

From: Deep anoxic aquifers could act as sinks for uranium through microbial-assisted mineral trapping

SP

N

R, Å

σ2, Å2

U-O1

3.2(3)

2.22(2)

0.0006(4)

U-O2

2.8(4)

2.82(3)

0.0006(4)

U-C

6.0*

3.30(5)

0.0174(5)

U-O3

6.0*

3.52(7)

0.0174(5)

U-Ca

6.0*

4.07(7)

0.0401(9)

  1. The goodness of fit– 0.2% was achieved, and the energy shift, ΔE0 = −9.4(3) eV.
  2. SP scattering path, N coordination number, R bond distance, σ2 Debye–Waller factor.
  3. *– fixed value. The uncertainty is shown in paratheses for the last digit at 1σ.
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