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5-Methyl-1,2-oxazole-3-carb-oxy-lic acid.

ABSTRACT: In the crystal structure of the title compound, C(5)H(5)NO(3), all the non-H atoms are approximately coplanar: the carb-oxy O atoms deviating by 0.013?(2) and -0.075?(2)?Å from the isoxazole ring plane. In the crystal, the molecules form inversion dimers linked by pairs of O-H?O hydrogen bonds and the dimers stack via ?-? inter-actions [centroid-centroid distance = 3.234?(2)?Å].

SUBMITTER: Pan ML 

PROVIDER: S-EPMC3201508 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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5-Methyl-1,2-oxazole-3-carb-oxy-lic acid.

Pan Mei-Ling ML   Luo Yang-Hui YH   Li Jin-Feng JF  

Acta crystallographica. Section E, Structure reports online 20110903 Pt 10

In the crystal structure of the title compound, C(5)H(5)NO(3), all the non-H atoms are approximately coplanar: the carb-oxy O atoms deviating by 0.013 (2) and -0.075 (2) Å from the isoxazole ring plane. In the crystal, the molecules form inversion dimers linked by pairs of O-H⋯O hydrogen bonds and the dimers stack via π-π inter-actions [centroid-centroid distance = 3.234 (2) Å]. ...[more]

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