Table 2. Summary of short inter­atomic contacts (Å) in (I).

Contact	Distance	Symmetry operation
H4C⋯H4C	2.39	1 − x, 1 − y, 1 − z
H10⋯N3	2.48	+ x,  − y,  + z
H7⋯N4	2.58	− + x,  − y, − + z
H8⋯N4	2.53	− x, − + y,  − z
C4⋯O1	3.208 (2)	1 − x, 1 − y, 1 − z