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Crystal structure of 2-methyl-4-[(thio­phen-2-yl)methyl­idene]-1,3-oxazol-5(4H)-one

The asymmetric unit of the title compound, C(9)H(7)NO(2)S, contains two crystallographically independent mol­ecules (A and B). Both mol­ecules are almost planar [maximum deviations = 0.047 (1) and 0.090 (1) Å, respectively, for the S atoms] with the oxazole and thio­phene rings being inclined to one...

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Detalles Bibliográficos
Autores principales: Sharma, Preetika, Subbulakshmi, K. N., Narayana, B., Byrappa, K., Kant, Rajni
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4384586/
https://www.ncbi.nlm.nih.gov/pubmed/25878864
http://dx.doi.org/10.1107/S2056989015000833
Descripción
Sumario:The asymmetric unit of the title compound, C(9)H(7)NO(2)S, contains two crystallographically independent mol­ecules (A and B). Both mol­ecules are almost planar [maximum deviations = 0.047 (1) and 0.090 (1) Å, respectively, for the S atoms] with the oxazole and thio­phene rings being inclined to one another by 2.65 (16)° in mol­ecule A and by 4.55 (15)° in mol­ecule B. In the crystal, the individual mol­ecules are linked via C—H⋯O hydrogen bonds, forming –A–B–A–B– chains along the [10-1] direction. The chains are linked via C—H⋯π and π–π inter­actions [inter­centroid distances = 3.767 (2) and 3.867 (2) Å] involving inversion-related oxazole and thio­phene rings in both mol­ecules, forming a three-dimensional structure.