Research Article: 4-Cyano­pyridinium hydrogen sulfate

Date Published: July 01, 2012

Publisher: International Union of Crystallography

Author(s): Ying-Chun Wang.


All non-H atoms of the cation of the title salt, C6H5N2+·HSO4−, are essentially coplanar [r.m.s. deviation = 0.005 (1) Å] . In the crystal, N—H⋯O and O—H⋯O hydrogen bonds and weak C—H⋯O and C—H⋯N inter­actions link the mol­ecules into a two-dimensional network parallel to the (001) plane. Weak π–π stacking inter­actions between the pyridine rings of neighbouring mol­ecules further stabilize the structure [centroid–centroid distance = 3.785 (1) Å].

Partial Text

For materials which display ferroelectric–paraelectric phase transitions, see: Chen et al. (2001 ▶); Huang et al. (1999 ▶); Zhang et al. (2001 ▶); For the structures and properties of related compounds, see: Wang et al. (2002 ▶); Xue et al. (2002 ▶); Ye et al. (2008 ▶).




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