Figure 1
The molecular structures comprising the 2:1 co-crystal in the title compound showing the atom-labelling scheme and displacement ellipsoids at the 70% probability level: (a) p-nitrobenzoic acid and (b) N,N′-bis(pyridin-3-ylmethyl)ethanediamide; unlabelled atoms are related by the symmetry operation 2 − x, 1 − y, 2 − z. |