Quantitative investigation of C-H⋯π and other intermolecular interactions in a series of crystalline: N -(substituted phenyl)-2-naphthamide derivatives

Rahul Shukla, Aamer Saeed, Jim Simpson, Deepak Chopra

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

In this study, we have investigated the nature and characteristics of different intermolecular interactions present in a series of seven N-(substituted phenyl)-2-naphthamides. The seven structures comprise 2-naphthyl ring systems linked by amide bridges to N-bound phenyl 1, or substituted benzene rings 3-7, or in the case of 2, a cyclohexane ring. A common feature of the crystal packing for all but the o-nitro derivative 7 is the presence of a strong intermolecular N-H⋯O interaction. In the case of 7, the possibility of such an interaction is obviated by the formation of an intramolecular N-H⋯O hydrogen bond. An additional feature of the crystal packing for 1-6 is the significant roles that C-H⋯π contacts play in generating three-dimensional networks. In contrast for 7, the intramolecular N-H⋯O hydrogen bond precludes the formation of molecular chains but the planar nature of this molecule allows significant π⋯π stacking interactions to stabilize the packing.

Original languageEnglish
Pages (from-to)5473-5491
Number of pages19
JournalCrystEngComm
Volume19
Issue number36
DOIs
StatePublished - 1 Jan 2017
Externally publishedYes

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics

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