The crystal structure of the title compound, C10H9ClN4S, is reported. There
is pi -conjugation between triazine and the bridging N4 atom, where N atom
s are sp(2) hybridized. The plane of the triazine ring forms a dihedral ang
le of 54.35 (4)degrees with the phenyl plane. There exists an intermolecula
r N-H . . .N hydrogen bond to form a dimer with an N . . .N separation of 2
.991 (2) Angstrom.