Table 1. Key distances [in Å] of corannulene and its anions, C20H10n–
n = | 0 a | 1 b | 2 c | 3 (in 1) | 4 d |
C20H100 | C20H10˙– | C20H102– | C20H10˙3– | C20H104– | |
Hub | 1.411(2)–1.417(2) | 1.389(5)–1.425(5) | 1.390(3)–1.427(3) | 1.401(7)–1.429(7) | 1.391(5)–1.403(5) |
Spoke | 1.376(2)–1.381(2) | 1.392(5)–1.417(5) | 1.400(3)–1.418(3) | 1.418(8)–1.443(7) | 1.424(5)–1.432(5) |
Flank | 1.441(2)–1.450(2) | 1.388(5)–1.462(5) | 1.404(3)–1.475(3) | 1.421(7)–1.439(7) | 1.429(5)–1.443(5) |
Rim | 1.377(2)–1.387(2) | 1.396(5)–1.453(6) | 1.375(3)–1.435(3) | 1.416(7)–1.438(8) | 1.453(5)–1.462(5) |
Bowl depth | 0.875(2) | 0.841(5) | 0.811(3) | 0.850(7) | 0.283(5)/0.329(5) |