Table 2. Summary of short inter­atomic contacts (Å) in the title compound.

Contact	Distance	Symmetry operation
Br1⋯H10	2.96	1 − x,  + y,  − z
Br1⋯C12	3.598	1 − x,  + y,  − z
C9⋯C8	3.409	1 − x, −y, 1 − z
H9⋯H7	2.45	x,  − y, −  + z
H11⋯H20B	2.35	x, −1 + y, z
C15⋯H21C	2.80	x,  − y,  + z
H22B⋯C18	3.07	−x, 1 − y, 1 − z
H21B⋯H22B	2.51	−x,  + y,  − z