Space-filling model of a 1,2-dinitrobenzene molecule, C ₆ H ₄ N ₂ O ₄ , also known as ortho -dinitrobenzene or o -dinitrobenzene. The molecule is shown as found in the crystal structure reported in Acta Crystallogr. B (1990) 46 , 567–572 and CSD entry ZZZFYW01 .

Colour code:

Carbon, C: grey

Hydrogen, H: white

Nitrogen, N: blue

Oxygen, O: red