Acta Cryst. (2004). E60, o542-o543  [ doi:10.1107/S1600536804004350 ]

N,N'-Bis(2-carboxyethyl)-1,4,5,8-naphthalenetetracarboxylic diimine dimethylformamide disolvate

G. D. Fallon, S. J. Langford and M.A.-P. Lee

Abstract: In the title compound, C₂₀H₁₄N₂O₈·2C₃H₇NO, the essentially planar C₂₀H₁₄N₂O₈ molecule is centrosymmetric and is hydrogen bonded via the carboxylic acid H atoms to the aldehyde O atom of the dimethylformamide molecules.

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