Abstract: | The title compound (C9H7N3O) has been determined from three dimensional X-ray diffraction data. The crystals are monoclinic, a = 4.858(3) Å, b = 15.008(7) Å, c = 11.787(2) Å, ß = 94.107(2)°, V= 857.2(4) Å3, z = 4, Dcalc = 1.342 g. cm?3, space group P21/c. The structure was solved by direct methods and refined by full-matrix least-squares method (γ MoKα′, R = 0.0766). |