In the title compound, C 18 H 14 N 4 O, the molecules are disordered about a crystallographic twofold axis, leading to 50:50 disorder of the O- and N-atom sites within the oxazole ring. As a consequence, symmetry-related oxazole C—N and C—O bonds are averaged. The oxazole ring makes a dihedral angle of 6.920 (1)° with the pyridyl ring in the 2-position and 60.960 (2)° with the pyridyl rings in the 4- and 5-positions.
Campos-Gaxiola, J. J., Höpfl, H., Aguirre, G., & Parra-Hake, M. (2012). 2,4,5-Tris(pyridin-4-yl)-4,5-dihydro-1,3-oxazole. Acta Crystallographica Section E: Structure Reports Online, 68(6). https://doi.org/10.1107/S1600536812022611