Table 3. Hydrogen-bond geometry (Å, °) for (III) .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1N⋯O2i | 0.83 (4) | 2.26 (5) | 3.025 (5) | 153 (5) |
| N4—H4N⋯O4ii | 0.84 (5) | 2.29 (5) | 3.115 (6) | 169 (5) |
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.