| Summary: | In the title molecular salt (systematic name: morpholinium 3-hydroxy-2,4,6-trinitrophenolate), C4H10NO+·C6H2N3O8−, two of the nitro groups of the anion are close to parallel with the plane of the benzene ring [dihedral angles = 3.46 (9) and 11.60 (10)°] and one is almost perpendicular [dihedral angle = 82.23 (8)°]. An intramolecular O—H...O hydrogen bond occurs in the anion. The morpholinium cation has a slightly distorted chair conformation. In the crystal, the components are linked by simple N—H...O and trifurcated N—H...(O,O,O) hydrogen bonds.
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