In the title compound, C11H13N2SSe+.Br-, the Se-S bond length is 2.189
(2) Angstrom and the C(2)-Se and C(1)-S bond lengths are 1.890(3) and
1.765(3) Angstrom, respectively. The C(2)-Se-S and C(1)-S-Se bond ang
les are 89.36(10) and 93.36(11)degrees, respectively. In the planar he
terocyclic ring, pi-electron delocalization extends over the exocyclic
N(2) atom.