Hydrothermal syntheses of materials constructed from vanadium oxide and secondary metal-tetrapyridylpyrazine subunits. Structural consequences of the identity of the secondary metal

Wayne Ouellette, Eric Burkholder, Selena Manzar, Lindsey Bewley, Randy S. Rarig, Jon Zubieta

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

Hydrothermal reactions of V2O5, tetra-2- pyridylpyrazine (tpyprz) and an appropriate M(II) starting material yield a series of oxides of general composition [{Mx(tpyprz)} yV4O12] [x=1, y=2, M=Co(II), Ni(II); x=2, y=2, M=Cu(I); x=2, y=1, M=Zn(II)]. The Co(II) and Ni(II) analogues (1 and 2) are isostructural and consist of one-dimensional ribbons constructed from {V 4O12}4- clusters linked through {M(tpyprz)}24+ binuclear units of edge sharing {MO 3N3} octahedra. In contrast, the structure of [{Cu 2(tpyprz)}2V4O12] (3) is two-dimensional and constructed of {Cu2(tpyprz)}n 2n+ chains linked in the second dimension through the {V 4O12}4- clusters. The structure of [{Zn 2(tpyprz)V4O12] (4) is also two-dimensional but may be described as {Zn2V4O12} chains interconnected through the binucleating tpyprz ligands. The roles of the coordination preferences of the secondary metal cations as well as the nature of the organic components are discussed.

Original languageEnglish (US)
Pages (from-to)77-84
Number of pages8
JournalSolid State Sciences
Volume6
Issue number1
DOIs
StatePublished - Jan 2004

Keywords

  • Hydrothermal synthesis
  • Metal(II)-tetrapyridylpyrazine building blocks
  • Organic-inorganic hybrid materials
  • Vanadium oxide structures

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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