Table 1. Results of Curve-Fitting of Ru K-Edge EXAFS for Ru–P/SiO2, Bulk-Ru2P, and Ru/SiO2.
| sample | shell | CNa | r (Å)b | D.W.c | R factor (%) |
|---|---|---|---|---|---|
| Ru–P/SiO2 | Ru–P | 2.8 ± 0.6 | 2.30 ± 0.010 | 0.006 ± 0.0015 | 8.6 |
| Ru–Ru | 2.8 ± 0.9 | 2.80 ± 0.009 | 0.008 ± 0.0018 | ||
| bulk-Ru2P | Ru–P | 2.6 ± 0.4 | 2.32 ± 0.007 | 0.008 ± 0.0014 | 3.1 |
| Ru–Ru | 4.9 ± 0.5 | 2.80 ± 0.004 | 0.007 ± 0.0005 | ||
| Ru/SiO2 | Ru–Ru | 9.3 ± 0.5 | 2.67 ± 0.002 | 0.005 ± 0.0003 | 4.5 |
Coordination number.
Bond distance.
Debye–Waller factor.