Stabilization of interpenetrating cluster-based frameworks promoted by N-H⋯X hydrogen bonds: Synthesis, structures and properties of {[Cd(NH3)4]3[Re3Mo3Se8(CN)6]}X (X = Cl, Br and I)

Viktoria K. Muravieva, Yakov M. Gayfulin, Pierric Lemoine, Nikolay G. Naumov, Stéphane Cordier

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Control of covalent coordination polymer structures using non-covalent interactions is a promising way for obtaining functional materials by self-assembly in solution. Here we report the crucial role of halide anions in the formation of interpenetrating frameworks based on cyanometalate clusters. It was found that the interaction of [Re3Mo3Se8(CN)6]5- cluster anions and Cd2+ cations in aqueous ammonia led to the formation of the 1D polymeric compound {[Cd(NH3)5]2[Cd(NH3)4]3[Re3Mo3Se8(CN)6]2}·5H2O (1). Compound 1 is unstable outside the mother liquor due to the rapid loss of NH3 and H2O molecules. Addition of KX (X = Cl, Br, I) to the reaction mixture led to selective formation of 3D framework compounds {[Cd(NH3)4]3[Re3Mo3Se8(CN)6]}X (2-4 for X = Cl, Br, I, respectively) stabilized by N-H⋯X hydrogen bonding. Compounds 2-4 demonstrate high thermal stability as well as reversible loss of ammonia and reversible oxidation in the solid state.

Original languageEnglish
Pages (from-to)4164-4172
Number of pages9
JournalCrystEngComm
Volume20
Issue number29
DOIs
Publication statusPublished - 7 Aug 2018

Keywords

  • METAL-ORGANIC FRAMEWORKS
  • POROUS COORDINATION POLYMERS
  • INORGANIC 3D NETWORKS
  • CRYSTAL-STRUCTURE
  • PRUSSIAN BLUE
  • CATALYTIC-ACTIVITIES
  • MOLECULAR TECTONICS
  • OCTAHEDRAL RHENIUM
  • DFT CALCULATIONS
  • SOLID-STATE

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