Abstract
In the title compound C
8
H
6
BrN
3
O, the benzotriazole ring is essentially planar (r.m.s. deviation = 0.0034 Å) and the bromoacetyl unit is twisted at a dihedral angle of 15.24 (16)° with respect to it. In the crystal, pairs of C—H⋯O hydrogen bondings result in the formation of inversion dimers, forming
R
2
2
(12) rings, which are connected by further C—H⋯O interactions into chains extending along the
b-
axis direction.