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A supra-cubane-like Mo/S/Cu cluster: Cation-directed synthesis, crystal structure and nonlinear optical property

  • Jinfang Zhang*
  • , Weitao Chen
  • , Yu Fang
  • , Ding Jia
  • , Yinlin Wang
  • , Yinglin Song
  • , Chi Zhang
  • *Corresponding author for this work
  • Jiangnan University
  • Jiangsu University
  • Soochow University

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract Directed by potassium-crownether host-guest cation, a unique octameric eicosanuclear heterothiometallic Mo/S/Cu cluster [K(dibenzo-18-crown-6)(DMF)2]4[Mo8S32Cu12] (1) was synthesized by the reaction of (NH4)2MoS4, CuI, KI, dibenzo-18-crown-6 in DMF solution. 1 was characterized by elemental analysis, IR, thermogravimetric analysis, X-ray powder and single crystal diffractions. 1 crystallizes in the tetragonal space group I41cd. The anionic octameric eicosanuclear [Mo8S32Cu12]4- cluster exhibits a supra-cubane-like skeleton, fabricated by four nest-shaped clusters [Mo(μ1-S)(μ3-S)3Cu3]+ and four flywheel-shaped clusters [Mo(μ2-S)34-S)Cu3]+ linking together through shared Cu atoms. The cation [K(dibenzo-18-crown-6)(DMF)2]+ of 1 exhibits the host-guest configuration, where K+ is embedded in the center of dibenzo-18-crown-6. Furthermore, Z-scan studies (532 nm, 21 ps pulses) reveal that 1 possesses effective third-order nonlinear optical (NLO) properties.

Original languageEnglish
Article number11430
Pages (from-to)1-5
Number of pages5
JournalPolyhedron
Volume101
DOIs
StatePublished - 5 Aug 2015
Externally publishedYes

Keywords

  • Crystal structure
  • Heterothiometallic Mo/S/Cu cluster
  • Host-guest cation-directed synthesis
  • Nonlinear optical property
  • Supra-cubane-like skeleton

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