Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N11—H112⋯N33i | 0.876 (17) | 2.519 (17) | 3.3196 (19) | 152.5 (14) |
| N13—H131⋯N33ii | 0.965 (17) | 2.471 (18) | 3.3312 (19) | 148.2 (13) |
| N13—H132⋯N43iii | 0.869 (14) | 2.448 (15) | 3.3102 (19) | 171.4 (13) |
| N21—H211⋯N11ii | 0.847 (16) | 2.450 (17) | 3.291 (2) | 172.0 (13) |
| N21—H212⋯N41 | 0.939 (16) | 2.435 (17) | 3.349 (2) | 164.4 (14) |
| N23—H231⋯N21iv | 0.876 (18) | 2.574 (19) | 3.443 (2) | 171.3 (16) |
| N31—H312⋯N13v | 0.896 (17) | 2.510 (17) | 3.2668 (19) | 142.4 (13) |
| N33—H332⋯N23 | 0.911 (16) | 2.314 (16) | 3.2025 (18) | 164.9 (13) |
| N41—H412⋯N31vi | 0.897 (18) | 2.392 (17) | 3.164 (2) | 144.3 (15) |
| N11—H111⋯Cg2i | 0.914 (17) | 2.573 (16) | 3.4260 (14) | 155.8 (14) |
| N23—H232⋯Cg1 | 0.887 (18) | 2.516 (17) | 3.2454 (15) | 139.9 (15) |
| N31—H311⋯Cg4vii | 0.922 (17) | 2.815 (16) | 3.7205 (16) | 166.6 (13) |
| N33—H331⋯Cg2iv | 0.860 (16) | 2.608 (15) | 3.2617 (13) | 133.8 (13) |
| N41—H411⋯Cg1viii | 0.868 (18) | 2.707 (17) | 3.5729 (15) | 174.1 (16) |
Symmetry codes: (i) 
; (ii) 
; (iii) 
; (iv) 
; (v) 
; (vi) 
; (vii) 
; (viii) 
. C1, Cg2 and Cg4 are the centroids of the C11–C16, C21–C26 and C41–C46 phenyl rings, respectively.