Research Article

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

Table 3

1H relaxation Rates of Pyrrole Hydrogen in H2[(p-CN)4TPP] with and without C60 in Chlorobenzene-d5.

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

2680.825 (0.014)4080.921 (0.016)456
2830.820 (0.016)4060.878 (0.018)435
2980.813 (0.024)4020.781 (0.009)397
3130.809 (0.013)4000.765 (0.020)379
3280.803 (0.014)3970.695 (0.020)344

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