Table 2. Selected interatomic distances (Å).
| N1⋯C2i | 3.4051 (19) | C1⋯C4iii | 3.5667 (19) |
| N2⋯C2ii | 3.385 (2) | C2⋯C6vii | 3.5715 (18) |
| N3⋯C3iii | 3.4163 (19) | C2⋯C2i | 3.595 (2) |
| N4⋯C5iii | 3.4314 (17) | C4⋯C5ii | 3.4986 (19) |
| N4⋯C4iii | 3.4177 (19) | C1⋯H6B iv | 2.94 (3) |
| N1⋯H6B iv | 2.85 (2) | C6⋯H6C iii | 2.98 (3) |
| N1⋯H2i | 2.553 (18) | H2⋯C6vii | 2.773 (16) |
| N1⋯H6C v | 2.86 (3) | H2⋯H6B vii | 2.58 (3) |
| N2⋯H3vi | 2.525 (18) | H2⋯H6C vii | 2.48 (3) |
| N4⋯H4v | 2.641 (18) | H6A⋯H4v | 2.59 (3) |
| N4⋯H6B iv | 2.84 (3) | H6B⋯H6C iii | 2.47 (4) |
| C1⋯C3iii | 3.4166 (19) |
Symmetry codes: (i) 
; (ii) 
; (iii) 
; (iv) 
; (v) 
; (vi) 
; (vii) 
.