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.
| Br1⋯Br2 | 3.2865 (8) | Br3⋯Br3iii | 3.7378 (8) |
| Br1⋯Br8i | 3.6115 (8) | Br4⋯Br5 | 3.5336 (7) |
| Br2⋯Br3 | 3.2929 (9) | Br5⋯Br6 | 3.2936 (9) |
| Br2⋯Br7ii | 3.5480 (9) | Br6⋯Br7 | 3.2977 (10) |
| Br2⋯Br3ii | 3.5688 (9) | Br7⋯Br8 | 3.2717 (9) |
| Br3⋯Br4 | 3.2808 (8) | Br7⋯Br8iv | 3.7295 (11) |
Symmetry codes: (i) 
; (ii) 
; (iii) 
; (iv) 
.
