Table 3. 31P NMR Data for Paraoxon–C70-OH Fullerene Interactionsa.
[C70-OH] (M) | C70:paraoxon ratio | δ (ppm) | Δδ (ppm) | 1/[C70] (M)−1 | 1/Δδ (ppm–1) |
---|---|---|---|---|---|
6.3 × 10–2 | 70:1 | 9.10 | 3.03 | 15.769 | 0.330 |
4.5 × 10–2 | 50:1 | 8.96 | 2.89 | 22.076 | 0.346 |
3.6 × 10–2 | 40:1 | 8.82 | 2.75 | 27.595 | 0.364 |
2.7 × 10–2 | 30:1 | 8.6 | 2.53 | 36.793 | 0.395 |
1.8 × 10–2 | 20:1 | 7.69 | 1.62 | 55.190 | 0.617 |
9.1 × 10–3 | 10:1 | 6.97 | 0.90 | 110.380 | 1.111 |
4.5 × 10–3 | 5:1 | 6.58 | 0.51 | 220.760 | 1.961 |
0.00 | 0 | 6.07 | N/A | N/A | N/A |
Δδ (ppm) represents the observed chemical shift (δ) change for that specific fullerene-containing sample vs the δ observed for the paraoxon control.