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Pyrrolidinium-2-carboxyl-ate-4-nitro-phenol (1/2).


ABSTRACT: In the title compound, C5H9NO2·2C6H5NO3, the pyrrolidine ring of the pyrrolidinium-2-carboxyl-ate zwitterion adopts a twisted conformation on the -CH2-CH2- bond adjacent to the N atom. The mean plane of this pyrrolidine ring forms dihedral angles of 25.3?(3) and 32.1?(3)° with the two nitro-phenol rings. An intra-molecular N-H?O hydrogen bond occurs in the pyrrolidinium-2-carboxyl-ate mol-ecule. In the crystal, mol-ecules are linked via O-H?O and N-H?O hydrogen bonds, enclosing R (3) 2(8) ring motifs, forming chains running parallel to the a axis. These chains are further cross-linked by O-H?O and C-H?O hydrogen bonds, forming undulating two-dimensional networks lying parallel to (001).

SUBMITTER: Sowmya NS 

PROVIDER: S-EPMC3884369 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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Pyrrolidinium-2-carboxyl-ate-4-nitro-phenol (1/2).

Sowmya Narayanan Swarna NS   Vidyalakshmi Yechuri Y   Sampathkrishnan Sadasivam S   Srinivasan Thothadri T   Velmurugan Devadasan D  

Acta crystallographica. Section E, Structure reports online 20131031 Pt 11


In the title compound, C5H9NO2·2C6H5NO3, the pyrrolidine ring of the pyrrolidinium-2-carboxyl-ate zwitterion adopts a twisted conformation on the -CH2-CH2- bond adjacent to the N atom. The mean plane of this pyrrolidine ring forms dihedral angles of 25.3 (3) and 32.1 (3)° with the two nitro-phenol rings. An intra-molecular N-H⋯O hydrogen bond occurs in the pyrrolidinium-2-carboxyl-ate mol-ecule. In the crystal, mol-ecules are linked via O-H⋯O and N-H⋯O hydrogen bonds, enclosing R (3) 2(8) ring m  ...[more]

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