Table 1. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N1H1AS11i | 0.86 | 2.54 | 3.3450(15) | 156 |
| N1H1BS1ii | 0.86 | 2.55 | 3.3975(14) | 171 |
| N2H2N11iii | 0.86 | 1.88 | 2.709(2) | 162 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.
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.