The title compound, C8H10O3, has two planar molecules in the asymmetric unit possessing mean deviations from planarity of 0.051 and 0.071 Å. In the crystal, there are two distinct infinite chains, both along [010]. The chains are formed by O—H⋯O interactions between the phenol and both the 3-methoxy and the 4-methoxy groups.
] n , is a one-dimensional coordination polymer extending along the c axis. It consist of isatin sulfonate molecules linking pairs of sodium cations with Na-O bonds to both carbonyl and sulfonate oxygen atoms whereby two oxygen atoms of symmetry-related carbonyl groups bridge two sodium cations. The sodium cation possesses an octahedral coordination environment, including one sulfonate and three carbonyl oxygen atoms bound in the equatorial plane, and two water molecules bound axially. The isatin moiety of the organic ligand is nearly planar, with a mean deviation from planarity of 0.038 Å . The chains of the coordination polymer are further linked into a three-dimensional network with eight distinct interactions, including one N-HÁ Á ÁO and four O-HÁ Á ÁO hydrogen bonds, two C-HÁ Á ÁO interactions and one -interaction. Structure descriptionAs part of our standing project to study the crystal structures of N-H isatins, we report the crystal structure of the title compound. The asymmetric unit comprises a sodium cation, a 2,3-dioxoindoline-5-sulfonate anion and two coordinating water molecules (Fig. 1). The isatin moiety of the anion is nearly planar. The sodium cation possesses an octahedral configuration, and is coordinated by three carbonyl oxygen atoms, two water molecules, and one sulfonate oxygen atom. Two symmetry-related O1 carbonyl oxygen atoms bridge two sodium cations, with the O2 carbonyl oxygen binding to only a single sodium cation. The O5 sulfonate oxygen atom and the two water oxygen atoms (O6, O7) complete the sodium coordination environment (Fig. 2). Despite the coordination of the carbonyl oxygen atoms to the sodium cations, the C O bonds and other metric parameters are
The title compound, C10H12O3, has a single near planar molecule in the asymmetric unit, with the non-H atoms possessing a mean deviation from planarity of 0.132 Å. The molecules dimerize in the solid state through C—H...O interactions. These dimers are further linked through parallel slipped π–π interactions of the aryl rings [intercentroid distance = 3.5444 (11) Å, interplanar distance = 3.3998 (12) Å, slippage = 1.002 (2) Å].
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