ROY confined in hydrogen-bonded frameworks: Coercing conformation of a chromophore

Sishuang Tang, Anna Yusov, Yuantao Li, Melissa Tan, Yunhui Hao, Zongzhe Li, Yu Sheng Chen, Chunhua T. Hu, Bart Kahr, Michael D. Ward

Research output: Contribution to journalArticlepeer-review

Abstract

5-Methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile is a crystalline compound rich in conformational polymorphs largely owing to the flexible torsion angle that leads to distinct colors, earning it the moniker ROY (Red-Orange-Yellow). Guanidinium organosulfonate hydrogen-bonded frameworks form six crystalline inclusion compounds with ROY, described here, in which the framework limits conformational twisting out of plane. Three of the six inclusion compounds enforce greater planarity and π-conjugation than any of nine ROY polymorphs that have been characterized by single crystal X-ray diffraction. This journal is

Original languageEnglish (US)
Pages (from-to)2378-2383
Number of pages6
JournalMaterials Chemistry Frontiers
Volume4
Issue number8
DOIs
StatePublished - Aug 2020

ASJC Scopus subject areas

  • General Materials Science
  • Materials Chemistry

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