Table 2. Pt–Pt ECNs for the First, Second, Third, and Fourth Coordination Shells (N1, N2, N3, and N4, Correspondingly) Extracted by NN Analysis from Experimental XANES Dataa.
sample/X-ray polarization | N1 | N2 | N3 | N4 |
---|---|---|---|---|
Pt/TiO2 (110)-∥-1 | 6.2(3) | 3.5(3) | 5(2) | 4(2) |
Pt/TiO2 (110)-∥-2 | 6.0(4) | 3.7(3) | 7(1) | 4(1) |
Pt/TiO2 (110)-⊥ | 6.1(4) | 3.6(2) | 5(2) | 3(1) |
Pt/SiO2 | 7.9(4) | 4.0(4) | 7(2) | 5(1) |
Uncertainties in the last digit are given in parentheses.