Table 5. Comparison of the Mo–O and Mo–Cs Distances Obtained from EXAFS and Neutron Diffractionb.
| Mo–O
distance (Å) |
Mo–Cs
distance (Å) |
|||
|---|---|---|---|---|
| sample | neutron | EXAFS | neutron | EXAFS |
| Cs2MoO4 | 1.770(2) | 1.78(1) | 3.880(2) | 3.89(2) |
| Cs2Mo0.95Te0.05O4 | 1.776a | 1.78(1) | 3.880a | 3.90(2) |
| Cs2Mo0.90Te0.10O4 | 1.778a | 1.78(1) | 3.883a | 3.90(2) |
| Cs2Mo0.50Te0.50O4 | 1.785(1) | 1.78(1) | 3.913(1) | 3.91(2) |
| Cs2Mo0.20Te0.80O4 | 1.799a | 1.78(1) | 3.924a | 3.91(2) |
a
Neutron data are available only for x(Te) = 0, 0.50, and 1; for the other compositions, the distances were obtained by interpolation.
b
The reported Mo–O distances from neutron diffraction correspond to the average of the four Mo–O tetrahedral distances.