Bis(isobutyl-ammonium) phthalate monohydrate.

N-Isobutyl-phthalimic acid hydrolyzes to the title salt, 2C(4)H(12)N(+)·C(8)H(4)O(4) (-)·H(2)O, which adopts a hydrogen-bonded layer structure. In the anion, the carboxyl-ate groups are twisted with respect to the benzene ring [dihedral angles = 43.8 (1) and 50.9 (1)°].

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Bibliographic Details
Main Authors: Norzalida, Z., Ariffin, A., Ng, Seik Weng
Format: Article
Published: International Union of Crystallography 2008
Subjects:
Online Access:http://eprints.um.edu.my/907/
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2961518/
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Description
Summary:N-Isobutyl-phthalimic acid hydrolyzes to the title salt, 2C(4)H(12)N(+)·C(8)H(4)O(4) (-)·H(2)O, which adopts a hydrogen-bonded layer structure. In the anion, the carboxyl-ate groups are twisted with respect to the benzene ring [dihedral angles = 43.8 (1) and 50.9 (1)°].