Synthesis of the neutral (CuF(NC5H5)4)2NbOF5 cluster

Alexander J. Norquist, Margaret E. Welk, Charlotte L. Stern, Kenneth R Poeppelmeier

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19 Citations (Scopus)


Composition space diagrams can be used to study the stability and variety of mixed transition metal oxide fluorides prepared under hydro(solvato)thermal conditions. Prior to this work the neutral (CuF(NC5H5)4)2NbOF5 cluster had not been observed but it was expected because of the nucleophilic character of the oxygen and trans fluorine in the [NbOF5]2- species. [H3O]2[(CuF(NC5H5)4)2NbOF5][F]2, a compound containing the 2:1 (Cu: Nb) cluster, was synthesized from the concentration variables, [CuO·0.5 Nb2O5], [(HF)(χ)· pyridine], and [H2O], by adding a fourth, [pyridine], and extending the composition space from a two-dimensional triangle to a three-dimensional prism. Crystal Data: [H3O]2[(CuF-(NC5H5)4)2NbOF5][F]2, tetragonal, space group I41/acd (no. 142), with a = 24.691(1) Å, c = 14.556(1) Å, Z = 8.

Original languageEnglish
Pages (from-to)1905-1909
Number of pages5
JournalChemistry of Materials
Issue number7
Publication statusPublished - 2000

ASJC Scopus subject areas

  • Materials Chemistry
  • Materials Science(all)

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