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4,4'-(o-Phenyl-enedioxy-dimethyl-ene)dipyridinium dinitrate.

ABSTRACT: The cation of the salt, C(18)H(18)N(2)O(2) (2+)·2NO(3) (-), lies about a twofold rotation axis. The pyridinium ring is almost coplanar with the phenyl-ene ring [dihedral angle between rings = 5.69?(9)°]. The crystal structure shows ?-? stacking inter-actions [centroid-centroid distance = 3.70?(1)?Å] between the pyridinium rings and the phenyl-ene rings, generating a linear chain structure. The cation also forms two N-H?O hydrogen bonds to two nitrate groups.

SUBMITTER: Zou P 

PROVIDER: S-EPMC2971367 | biostudies-literature | 2009 Oct

REPOSITORIES: biostudies-literature

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4,4'-(o-Phenyl-enedioxy-dimethyl-ene)dipyridinium dinitrate.

Zou Ping P   Zhang Shuang S   Liu Ying Y   Qiao Jun J   Gao Jin-Sheng JS  

Acta crystallographica. Section E, Structure reports online 20091010 Pt 11

The cation of the salt, C(18)H(18)N(2)O(2) (2+)·2NO(3) (-), lies about a twofold rotation axis. The pyridinium ring is almost coplanar with the phenyl-ene ring [dihedral angle between rings = 5.69 (9)°]. The crystal structure shows π-π stacking inter-actions [centroid-centroid distance = 3.70 (1) Å] between the pyridinium rings and the phenyl-ene rings, generating a linear chain structure. The cation also forms two N-H⋯O hydrogen bonds to two nitrate groups. ...[more]

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