Research Article

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

Table 5

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
in CBZin CBZ
(1/s)τ C (ps) (1/s)τ C (ps)

2680.699 (0.012)3460.725 (0.009)359
2830.660 (0.014)3270.688 (0.015)341
2980.624 (0.016)3080.659 (0.012)326
3130.584 (0.015)2890.618 (0.018)306
3280.547 (0.019)2700.585 (0.019)290

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