Research Article

NMR Studies into the Potential Interactions of Fullerene with Tetraphenylporphyrin and Some of Its Derivatives

Table 6

1H relaxation rates of phenyl hydrogen in H2[(p- )4TPP] with and without C60 in chlorobenzene-d5.

T (K)H2[(p-OCH3)4TPP]H2[(p-OCH3)4TPP] with C60
(1/s)τ C (ps) (1/s)τ C (ps)

2680.857 (0.011)2421.00 (0.01)283
2830.834 (0.012)2360.956 (0.013)270
2980.790 (0.016)2230.875 (0.015)247
3130.778 (0.014)2200.847 (0.017)240
3280.745 (0.015)2110.784 (0.019)222

Values in parentheses represent error limits at the 90% confidence level.