Williams D E, Bundoc A, Taylor K G
Department of Chemistry, University of Louisville, KY 40292.
Acta Crystallogr C. 1988 Mar 15;44 ( Pt 3):486-9. doi: 10.1107/s0108270187010205.
C18H22N4O2, Mr = 326.40, orthorhombic, Pbca, a = 19.475 (10), b = 10.435 (20), c = 8.762 (20) A, V = 1780.6 A3, Z = 4, Dx = 1.22 g cm-3, lambda(Mo K alpha) = 0.7107 A, mu = 0.76 cm-1, F(000) = 696, room temperature, 1564 reflections averaged from two octants, R = 0.044, wR = 0.050 for 669 observed reflections with I greater than sigma(I). The molecule has inversion symmetry and is nearly planar. The azoxy group is trans-substituted. Molecular packing is in herringbone-type layers.
