10-Ethyl-4-oxo-2,3,4,10-tetrahydropyrimido[4,5-b]quinolin-2-iminium 4-toluenesulfonate: a polarized electronic structure in the cation and a hydrogen-bonded sheet structure

Jorge Trilleras, Jairo Quiroga, John N. Low, Justo Cobo, Christopher Glidewell

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

In the title compound, C13H13N4O+ center dot C7H7O3S- , the bond distances within the cation provide evidence for the delocalization of the positive charge in a manner reminiscent of guanidinium cations. Three independent N-H center dot center dot center dot O hydrogen bonds link the ions into centrosymmetric four-ion aggregates, and these are further linked into sheets by a single C-H center dot center dot center dot O hydrogen bond. This study shows how a single hydrogen bond can link centrosymmetric entities into a continuous sheet structure.

Original languageEnglish
Number of pages3
JournalActa Crystallographica Section C-Crystal Structure Communications
Volume64
DOIs
Publication statusPublished - Jul 2008

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