Table 2. Hydrogen-bond geometry (Å, °) for (R*,R*)-4 .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O12—H12⋯N3i | 0.83 | 1.97 | 2.796 (6) | 172 |
| C15—H15C⋯O14ii | 0.97 | 2.58 | 3.365 (9) | 138 |
Symmetry codes: (i) 
; (ii) 
.
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.