2,4-Dinitro-trans-cinnamic Acid

2,4-Dinitrocinnamic acid [3-(2,4-dinitrophenyl)prop-2-enoic acid], C₉H₆N₂O₆, crystallizes as a normal centrosymmetrical carboxy dimer. O-H

O and C-H

O hydrogen bonds are found in the structure.

	Crystallographic Information File (CIF) Contains datablocks global, 24dn
	Structure factor file (SHELXL table format) Supplementary material

CCDC reference: 128421

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