title: Crystal structure of (S)-4-carbamoyl-4-(1,3-dioxo-isoindolin-2-yl)butanoic acid.
abstract: In the title compound, C13H12N2O5, the phthalimide ring system is essentially planar, with a maximum deviation of 0.0479 (14) Å. In the crystal, each mol-ecule is linked via six neighbouring mol-ecules into a three-dimensional network through N-H⋯O and O-H⋯O hydrogen bonds, which form an R 3 (2)(8) ring motif.
authors.affiliation: Graduate school of Advanced Science and Engineering, Waseda University (TWIns), Tokyo 162-8480, Japan.
authors.forename: Kohei
authors.initials: K
authors.lastname: Otogawa
authors.affiliation: Graduate school of Advanced Science and Engineering, Waseda University (TWIns), Tokyo 162-8480, Japan.
authors.forename: Kazuhiko
authors.initials: K
authors.lastname: Ishikawa
authors.affiliation: Consolidated Research Institute for Advanced Science and Medical Care, Waseda University (ASMeW), Tokyo 162-0041, Japan.
authors.forename: Motoo
authors.initials: M
authors.lastname: Shiro
authors.affiliation: Graduate school of Advanced Science and Engineering, Waseda University (TWIns), Tokyo 162-8480, Japan ; Consolidated Research Institute for Advanced Science and Medical Care, Waseda University (ASMeW), Tokyo 162-0041, Japan.
authors.forename: Toru
authors.initials: T
authors.lastname: Asahi
keywords: crystal structure; hydrogen bonds; thalidomide