Abstract
In the title Schiff base, C
14
H
10
N
2
OS, the azomethine double bond is in an
E
configuration; the benzothiazolyl ring (r.m.s. deviation = 0.007 Å) is coplanar with the phenylene ring (r.m.s. deviation = 0.007 Å), the two rings being slightly bent at 2.6 (1)°. The hydroxy H atom forms an intramolecular hydrogen bond to the imino group. The bond dimensions of the monoclinic modification are similar to those of the orthorhombic modification [Liu
et al.
(2009
▶
).
Acta Cryst.
E
65
, o738].