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Figure 2
The dependence of bond distances: (a) D2 on D4 for structures that were originally determined as 2-hy­droxy-3,5-di­nitro­benzoate (II), or as containing 2-hy­droxy-3,5-di­nitro­benzoic acid (I); (b) D1 on D3 for the structures that were determined as 2-carb­oxy-4,6-di­nitro­phenolate (III). Colour code for symbols: black squares are the data retrieved from the CSD; red circles are the corrected title structures; green and blue triangles are the original and the corrected structure of LUDFUL, which contains a mol­ecule of 2-hy­droxy-3,5-di­nitro­benzoic acid (I).

ISSN: 2056-9890
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