Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C6—H6⋯Br2 | 0.95 | 2.92 | 3.712 (3) | 142 |
| C20—H20⋯Br2 | 0.95 | 2.85 | 3.788 (2) | 168 |
| C23—H23⋯O2i | 0.95 | 2.49 | 3.392 (2) | 158 |
Symmetry code: (i) 
.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.