Molecular and crystal structures of a class of push-pull quinonoid compounds with potential nonlinear optical applications

M. Ravi, Shmuel Cohen, Israel Agranat, T. P. Radhakrishnan*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Molecular and crystal structures of three compounds with electron donor-conjugation unit-electron acceptor framework are reported where the conjugation unit is formally a quinonoid ring. Semiempirical quantum chemical calculations indicate large hyperpolarizabilities in these push-pull molecules. Since all the crystal structures are found to belong to centrosymmetric space groups, modifications are necessary for quadratic nonlinear optical applications.

Original languageEnglish
Pages (from-to)225-232
Number of pages8
JournalStructural Chemistry
Volume7
Issue number3
DOIs
StatePublished - Jun 1996

Keywords

  • Crystal structures
  • Hyperpolarizability
  • Nonlinear optics
  • Push-pull quinonoids

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