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(E)-4-Hydroxy-2-[(2-hydroxyphenyl)iminiomethyl]phenolate
The title compound, C(13)H(11)NO(3), crystallizes in a zwitterionic form and has a trans configuration about the C=N bond. The molecule is almost planar, the dihedral angle between the two benzene rings being 4.32 (8)°. The two hydroxy substituents are coplanar with each of their attached benzene...
| Autores principales: | , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
International Union of Crystallography
2010
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3006709/ https://www.ncbi.nlm.nih.gov/pubmed/21587785 http://dx.doi.org/10.1107/S1600536810020295 |
| Sumario: | The title compound, C(13)H(11)NO(3), crystallizes in a zwitterionic form and has a trans configuration about the C=N bond. The molecule is almost planar, the dihedral angle between the two benzene rings being 4.32 (8)°. The two hydroxy substituents are coplanar with each of their attached benzene rings [r.m.s. deviations of 0.0053 (2) and 0.0052 (2) Å]. An intramolecular N—H⋯O hydrogen bond formed between the iminium N and the phenolate O atom generates an S(6) ring motif. In the crystal, the molecules are linked through O—H⋯O hydrogen bonds into chains along [110]. Two neighbouring chains are further connected through O—H⋯O hydrogen bonds in an antiparallel manner. π–π interactions are also observed, with centroid–centroid distances of 3.7115 (19) and 3.743 (2) Å. |
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