Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N7—H7⋯O16 | 0.892 (17) | 1.825 (18) | 2.7128 (14) | 172.8 (16) |
| N7—H7⋯O19 | 0.892 (17) | 2.578 (16) | 3.0517 (15) | 114.0 (12) |
| C2—H2⋯O16 | 0.931 (18) | 2.341 (17) | 3.0464 (16) | 132.4 (13) |
| C2—H2⋯O24 | 0.931 (18) | 2.498 (17) | 3.3444 (17) | 151.4 (14) |
| C8—H8A⋯O19 | 1.001 (18) | 2.411 (18) | 3.1171 (18) | 126.9 (13) |
| C9—H9C⋯O19 | 0.997 (18) | 2.592 (17) | 3.2311 (17) | 121.9 (12) |
| C9—H9B⋯O21i | 0.974 (19) | 2.571 (19) | 3.5074 (17) | 161.3 (14) |
| C9—H9B⋯O25ii | 0.974 (19) | 2.476 (18) | 3.0794 (18) | 119.9 (13) |
| C4—H4⋯O21iii | 0.924 (19) | 2.466 (18) | 3.1776 (16) | 134.0 (14) |
| C14—H14⋯O19iv | 0.941 (18) | 2.564 (18) | 3.4988 (16) | 172.3 (14) |
| C9—H9C⋯O22v | 0.997 (18) | 2.502 (18) | 3.3283 (16) | 140.0 (13) |
Symmetry codes: (i) 
; (ii) 
; (iii) 
; (iv) 
; (v) 
.