Encapsulation of Arenes within a Porous Molybdenum Oxide {Mo132} Nanocapsule

Bidyut Bikash Sarma, Liat Avram, Ronny Neumann

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


The use of confined space to modulate chemical reactivity and to sequester organic compounds spans significant disciplines in chemistry and biology. Here, the inclusion and assembly of arenes into a water-soluble porous metal oxide nanocapsule [{(MoVI)MoV5O21(H2O)6}12{MoV2O4(CH3COO)}30]42−(Mo132) is reported. The uptake of benzene, halobenzenes, alkylbenzenes, phenols, and other derivatives was studied by NMR, where it was possible to follow the encapsulation process from the outside of the capsule through its pores and then into the interior. The importance of size or shape of the arenes, and various intermolecular bond interactions contributed by the benzene substituent on the encapsulation process was studied, showing the importance of π–π stacking and CH–π interactions. Furthermore, by using NOESY, ROESY, and HOESY NMR techniques it was possible to understand the interaction of the encapsulated arenes and the acetate linkers or ligands that line the interior of the Mo132capsule.

Original languageEnglish
Pages (from-to)15231-15236
Number of pages6
JournalChemistry - A European Journal
Issue number43
Publication statusPublished - Oct 17 2016


  • NMR spectroscopy
  • arenes
  • encapsulation
  • keplerates
  • polyoxometalate

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry

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