Crystal structure and Hirshfeld surface analyses, inter-molecular inter-action energies and energy frameworks of methyl 6-amino-5-cyano-2-(2-meth-oxy-2-oxoeth-yl)-4-(4-nitro-phen-yl)-4H-pyran-3-carboxyl-ate.

The title compound, C17H15N3O7, contains pyran and phenyl rings, with the pyran ring exhibiting a flattened-boat conformation. In the crystal, inter-molecular N-H⋯N hydrogen bonds link the mol-ecules into centrosymmetric dimers, forming R 2 2(12) ring motifs. These dimers are linked through N-H⋯O hydrogen bonds into a three-dimensional architecture. A Hirshfeld surface analysis indicates that the most important contributions for the crystal packing are from H⋯O/O⋯H (29.7%), H⋯H (28.7%), H⋯C/C⋯H (16.0%) and H⋯N/N⋯H (12.9%) inter-actions. In addition to van der Waals inter-actions and N-H⋯N and N-H⋯O hydrogen bonds, halogen bonds, tetrel bonds and pnictogen bonds also play an important role in the cohesion of the crystal structure.