Table 1. Fitting Form and Structure Factors for SAXS of Fully Oxidized {P2W18} Solutionsb.
formula | conc. (mMolar) | cluster radius (Å) | Etaa (Å) | Phib |
---|---|---|---|---|
Li6[P2W18O62] | 50 | 5.7 | 24 | 0.7 |
50-Li-{P2W18} | ||||
Na6[P2W18O62] | 50 | 5.7 | 23 | 0.5 |
50-Na-{P2W18} | ||||
K6[P2W18O62] | 60 | 5.7 | 22 | 0.6 |
60-K-{P2W18} |
Half of the center-to-center distance of clusters. A unit-less term that describes the “pack” of the clusters, or how many nearest neighbors surround each cluster (larger number indicates more “nearest neighbor” clusters).
See Figures S4-SAXS, S5-SAXS, and S6-SAXS for the data fits.