Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N2—H2N⋯O2i | 0.93 (6) | 1.83 (7) | 2.762 (7) | 179 (6) |
| C2—H2⋯O4ii | 0.95 | 2.58 | 3.302 (9) | 133 |
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.