Hydrothermal synthesis and crystal structure of [Ni(H2O)4][VO(PO4)]2, a Nickel(II) Vanadyl(IV) Phosphate

Robert C. Haushalter, Victoria Soghomonian, Qin Chen, Jon Zubieta

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

The new M2+/V4+/P/O phase [Ni(H2O)4][VO(PO4)]2 was prepared by hydrothermal synthesis and characterized by X-ray crystallography and thermogravimetric analysis. Crystal data: tetragonal space group I 4/mmm, a = 6.251(1)Å, c = 13.338(3)Å, V = 521.2(3)Å3, Z = 2, Dcalc = 2.845 g/cm3; structure solution and refinement based on 176 reflections with I0 ≥ 3σ(I0) (MoKα radiation, λ = 0.71073Å) converged at R = 0.0564. The structure consists of {VO(PO4)} layers, constructed from VO5 square pyramids and PO4 tetrahedra, linked by NiO6 octahedra. The structure is distinct from that of Ni0.5[VO(PO4)] · 1.5H2O, which exhibits a three-dimensional network structure with tunnels accommodating the aquo ligands.

Original languageEnglish (US)
Pages (from-to)512-519
Number of pages8
JournalJournal of Solid State Chemistry
Volume105
Issue number2
DOIs
StatePublished - Aug 1993

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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