Journal of Chemical Sciences

, Volume 115, Issue 1, pp 33–40 | Cite as

Hydrothermal synthesis of a new ethylenediammonium intercalated vanadyl phosphate, (H3NCH2CH2NH3)0.5[V0.32 4+V0.68 5+O2PO4{P(OH)2}0.44]0.44]

  • P. Ayyappan
  • Minakshi Asnani
  • A. Ramanan
  • Y. Piffard


In this paper we report the hydrothermal synthesis and characterisation of a new ethylenediammonium intercalated vanadyl phosphate, (H3NCH2CH2NH3)0.5 [V0.32 4+V0.68 5+O2PO4P(OH)2 0.44]. The phase purity of the solid was established using powder X-ray diffraction, single crystal X-ray diffraction, TGA, DTA, FTIR, UV-Vis and magnetic susceptibility measurements. Crystal data: orthorhombic,Pnma,a = 90289,b = 8.8962 andc = 15.9813 Å,V = 1283.7Å3,Z = 8. The structure contains layers made of VO5 square pyramids and PO4 tetrahedra; adjacent layers are connected through disordered tetrahedral PO2(OH)2 units. Ethylenediammonium cations occupy cavities in between the layers.


Vanadyl phosphate hydrothermal synthesis intercalation single crystal structure 


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Copyright information

© Indian Academy of Sciences 2003

Authors and Affiliations

  • P. Ayyappan
    • 1
  • Minakshi Asnani
    • 1
  • A. Ramanan
    • 1
  • Y. Piffard
    • 2
  1. 1.Department of ChemistryIndian Institute of TechnologyNew DelhiIndia
  2. 2.Institut des Matériaux de Nantes, Laboratoire de Chimie des Solides, CNRSUniversity of NantesFrance

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