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Synthesis, structure and third-order non-linear optical properties of tungsten dioxo complex with 8-hydroxyquinoline ligand WO2 (C9H6NO)2

  • Yong Li
  • , Jing Lu
  • , Ji Qing Xu*
  • , Xiao Bing Cui
  • , Ying Hua Sun
  • , Ke Chang Li
  • , Qing Xin Yang
  • , Ling Yun Pan
  • , Hai Ying Bie
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Tungsten dioxo complex WO2(C9H6NO)2 was obtained via the low temperature solid-state reaction of (NH4)2WS4, 8-hydroxyquinoline (8-hq) and (CHe)4NI, and it was characterized by means of elemental analyses, IR spectroscopy and X-ray diffraction analysis. The crystal of the title compound belongs to monoclinic, space group C2/c, with the crystal cell parameters: a = 1.3316(3) nm, 6 = 0.94444(19) nm, c = l.3485(3) nm, β = 109.66(3)°, V = l.5970(6) nm3, Z = 6. The title compound possesses a supramolecular structure formed through hydrogen bonds and π-π stacking interactions. The third-order non-linear optical (NLO) properties of the title compound were also investigated. The third-order non-linear absorption coefficient α2 and refractive index n2 are 0.85 × 10-11 m/W-1 and -1.5 ×10-19m-2/W, respectively. The third-order nonlinear susceptibility X(3) is 3.03 × 10-13 esu for 3.8 × 10-5 mol/L sample concentration.

Original languageEnglish
Pages (from-to)681-684
Number of pages4
JournalChemical Research in Chinese Universities
Volume20
Issue number6
StatePublished - Nov 2004

Keywords

  • Solid state reaction
  • Supramolecular structure
  • Third-order non-linear optical property
  • Tungsten dioxo complex

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