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2-(3,5-Dioxo-4-aza-tri-cyclo-[5.2.1.0(2,6)]dec-8-en-4-yl)acetic acid.

ABSTRACT: The asymmetric unit of the title compound, C11H11NO4, contains two mol-ecules, A and B, with different conformations: in mol-ecule A, the norborne and carb-oxy-lic acid groups lie to the same side of the heterocycle, whereas in a mol-ecule B, they lie on opposite sides. In the crystal, the A mol-ecules form R 2 (2)(8) carb-oxy-lic acid inversion dimers, linked by pairs of O-H?O hydrogen bonds. The B mol-ecules link to one of the ketone O atoms of the A mol-ecule by an O-H?O inter-action, resulting in tetra-mers (two A and two B mol-ecules). The tetra-mers are linked by weak C-H?O inter-actions, generating a three-dimensional network.

SUBMITTER: Akkurt M 

PROVIDER: S-EPMC3884503 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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2-(3,5-Dioxo-4-aza-tri-cyclo-[5.2.1.0(2,6)]dec-8-en-4-yl)acetic acid.

Akkurt Mehmet M   Jarrahpour Aliasghar A   Shirvani Pouria P   Tahir Muhammad Nawaz MN  

Acta crystallographica. Section E, Structure reports online 20130810 Pt 9

The asymmetric unit of the title compound, C11H11NO4, contains two mol-ecules, A and B, with different conformations: in mol-ecule A, the norborne and carb-oxy-lic acid groups lie to the same side of the heterocycle, whereas in a mol-ecule B, they lie on opposite sides. In the crystal, the A mol-ecules form R 2 (2)(8) carb-oxy-lic acid inversion dimers, linked by pairs of O-H⋯O hydrogen bonds. The B mol-ecules link to one of the ketone O atoms of the A mol-ecule by an O-H⋯O inter-action, resulti  ...[more]

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