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The benzimidazole moiety in the title molecule, C19H25N5O, is almost planar and oriented nearly perpendicular to the triazole ring. In the crystal, C—H...O hydrogen bonds link the molecules into a network structure. There are noμ-μinteractions present but two weak C—H...π(ring) interactions are observed. A Hirshfield surface analysis of the crystal structure indicates that the most important contributions for the crystal packing are from H...H (62.0%), H...C/ C...H (16.1%), H...N/N...H (13.7%) and H...O/O...H (7.5%) interactions. Evaluation of the electrostatic, dispersion and total energy frameworks indicate that the stabilization is dominated via the dispersion energy contributions in the title compound. [ABSTRACT FROM AUTHOR]