Table 1 Curve fitting results of Au L3-edge FT-EXAFS for PdAu8-Mo6, PdAu8-PMo12, PtAu8-Mo6 and PtAu8-PMo12, and θE values for PdAu8-PMo12 and PtAu8-PMo12.
From: Counteranion-induced structural isomerization of phosphine-protected PdAu8 and PtAu8 clusters
Sample | Bond | CN | r/Å | σ2 | R-factor (%) | θE (K) |
|---|---|---|---|---|---|---|
PdAu8-PMo12 | Au–P | 1.0 (2) | 2.29 (4) | 0.05 (4) | 4.2 | 390 (90) |
Au–Pd | 1.0 (1) | 2.63 (3) | 0.05 (2) | 210 (18) | ||
Au–Au | 2.0 (2) | 2.80 (2) | 0.06 (2) | 126 (11) | ||
PdAu8-Mo6 | Au–P | 1.1 (2) | 2.30 (4) | 0.05 (4) | 2.5 | |
Au–Pd | 1.0 (2) | 2.63 (3) | 0.06 (3) | |||
Au–Au | 3.1 (2) | 2.80 (3) | 0.07 (2) | |||
PtAu8-PMo12 | Au–P | 1.0 (2) | 2.20 (3) | 0.04 (4) | 12.8 | 376 (52) |
Au–Pt(Au) | 1.0 (1) | 2.66 (2) | 0.03 (2) | 218 (36) | ||
Au–Au | 2.0 (2) | 2.79 (2) | 0.06 (2) | 127 (14) | ||
PtAu8-Mo6 | Au–P | 1.0 (2) | 2.20 (4) | 0.05 (4) | 10.9 | |
Au–Pt(Au) | 1.1 (1) | 2.65 (2) | 0.04 (2) | |||
Au–Au | 2.9 (2) | 2.81 (3) | 0.07 (2) | |||