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4-Amino-pyridinium picrate.


ABSTRACT: In the title compound, C(5)H(7)N(2) (+)·C(6)H(2)N(3)O(7) (-), the 4-amino-pyridinium cation is essentially planar (r.m.s. deviation = 0.002?Å). The three nitro groups in the picrate anion are twisted away from the attached benzene ring [dihedral angles = 24.1?(1), 9.3?(3) and 21.4?(1)°]. In the crystal structure, the ions are linked into a three-dimensional network by N-H?O and C-H?O hydrogen bonds.

SUBMITTER: Ramesh P 

PROVIDER: S-EPMC2984070 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature

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4-Amino-pyridinium picrate.

Ramesh P P   Akalya R R   Chandramohan A A   Ponnuswamy M N MN  

Acta crystallographica. Section E, Structure reports online 20100331 Pt 4


In the title compound, C(5)H(7)N(2) (+)·C(6)H(2)N(3)O(7) (-), the 4-amino-pyridinium cation is essentially planar (r.m.s. deviation = 0.002 Å). The three nitro groups in the picrate anion are twisted away from the attached benzene ring [dihedral angles = 24.1 (1), 9.3 (3) and 21.4 (1)°]. In the crystal structure, the ions are linked into a three-dimensional network by N-H⋯O and C-H⋯O hydrogen bonds. ...[more]

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