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Acta Cryst. (2005). E61, o2696-o2698  [ doi:10.1107/S1600536805023068 ]


H.-Y. Chen, Q. Fang, G. Xue and W.-T. Yu

Abstract: The title compound (alternative name dimethyl croconate), C7H6O5, is the first example of a croconate ether. The molecule is essentially planar and exhibits a local symmetry (C2v) that is different from that shown by the croconate dianion (C5h), indicating that the geometry of these compounds is very sensitive to the electric charge state.

Online 23 July 2005

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