Table 1. Summary of Photoswitching Properties for Cages and Azobenzene Subunits in This Study.
Tetratopic |
Ditopic |
|||
---|---|---|---|---|
A1 | ACC-1 | A2 | ACC-2 | |
Best E–Z PSS | 65% cis | 77% cis | 80% cis | 54% cis |
Best Z–E PSS | 13% cis | 6% cis | 6% cis | 3% cis |
t1/2 (25 °C)/h | 220 ± 70 | 110 ± 10 | 4.78 ± 0.01 | 6.0 ± 0.1 |
ΔH‡/kJ mol–1 | 102 ± 7 | 104 ± 2 | 107 ± 8 | 83 ± 2 |
ΔS‡/J K–1 mol–1 | -20 ± 20 | -7 ± 6 | 30 ± 30 | -51 ± 7 |