Synthesis and structural characterization of sodium vanadyl(IV) orthophosphate NaVOPO4

K. H. Lii, C. H. Li, T. M. Chen, S. L. Wang

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A new sodium vanadyl(IV) orthophosphate NaV0P04 has been synthesized by solid-state and hydrothermal method and characterized by single-crystal X-ray diffraction and magnetic susceptibility. It crystallizes in the monoclinic space group P21/c with a = 6.524(1), b = 8.455(4), c = 7.119(1), β= 115.29(1)°, Z = 4, R = 0.027, and is structurally similar to the triclinic analog LiVOPO4. The structure can be described as close-packed infinite chains of trans-corner-sharing VO6 octahedra with the holes around each chain filled with Na and P atoms. These infinite chains have alternating short and long V —O bonds and are similar to those found in β -VOPO4. The Na atom has six close oxygen neighbors at distances of 2.268 to 2.511 Å.

Original languageEnglish
Pages (from-to)67-73
Number of pages7
JournalZeitschrift fur Kristallographie - New Crystal Structures
Issue number1-2
StatePublished - 1991


  • Crystal structure
  • Magnetic susceptibility
  • Vanadyl phosphate


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