Research Article: 1,4-Bis(4-pyridylmeth­yl)piperazin-1-ium perchlorate fumaric acid hemisolvate

Date Published: August 01, 2009

Publisher: International Union of Crystallography

Author(s): Gregory A. Farnum, Robert L. LaDuca.

http://doi.org/10.1107/S1600536809026026

Abstract

In the title salt, C16H21N4+·ClO4−·0.5C4H4O4, fumaric acid mol­ecules, situated across crystallographic inversion centres, are O—H⋯N hydrogen bonded to two protonated 1,4-bis­(4-pyridylmeth­yl)piperazine cations, forming trimolecular units. These construct one-dimensional supra­molecular ribbons by N—H⋯N hydrogen bonding, and further aggregate via π–π inter­actions [shortest C⋯C contact = 3.640 (1) Å] and perchlorate-mediated C—H⋯O inter­actions.

Partial Text

For the preparation of bis­(4-pyridylmeth­yl)piperazine, see: Pocic et al. (2005 ▶). For a cadmium fumarate coordination polymer containing bis­(4-pyridylmeth­yl)piperazine, see: Martin et al. (2009 ▶).

 

Source:

http://doi.org/10.1107/S1600536809026026

 

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