Polymorphism of an organic system effected by the directionality of hydrogen-bonding Chains

Sihui Long, Sean Parkin, Maxime Siegler, Carolyn P. Brock, Arthur Gammers, Tonglei Li

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Four polymorphs of 2-[methyl(phenyl)amino]nicotinic acid were discovered, and their single crystal structures were obtained at 90 K. In addition, one monohydrate and one salt were also crystallized and measured. Among the crystal structures, there are 17 crystallographically independent conformations. More interestingly, the four anhydrate forms are tessellated similarly by stacking of one-dimension hydrogen-bonding chains and, yet, the directionalities of the hydrogen-bonding chains are unique in each polymorph.

Original languageEnglish
Pages (from-to)3137-3140
Number of pages4
JournalCrystal Growth and Design
Volume8
Issue number9
DOIs
StatePublished - Sep 2008

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics

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