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Acta Cryst. (2002). E58, o1088-o1090 [ doi:10.1107/S160053680201601X ]
Abstract: The crystal structure of ethylenediammonium 4-nitroanthranilate dihydrate, [(C2H10N2)2+·2(C7H5N2O4)-·2(H2O)], shows a three-dimensional hydrogen-bonded polymer in which both of the amine groups of ethylenediamine are protonated and each gives a total of four hydrogen-bonded interactions with oxygen and amine N atoms of the anthranilate anions as well as with the water molecules. The centrosymmetrically related anthranilate species are also linked directly to the water molecules, and give a double-chain structure down the b axis.
Online 13 September 2002
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