Table 4. Hydrogen-bond geometry (Å, °) for 4 .

Cg1 and Cg2 are the centroids of the major- and minor-disorder components of the thio­phene ring, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C5A—H5A⋯Cg1i	0.93	2.80	3.493 (14)	132
C5A—H5A⋯Cg2i	0.93	2.85	3.52 (2)	130

Symmetry code: (i) .