Solvothermal synthesis, structure and Mössbauer spectroscopy of a new mixed-valence iron aluminophosphate [FeII(H2O)2 Fe0.8IIIAl1.2 (PO4)3]·H3O

Li Peng, Jiyang Li*, Jihong Yu, Guanghua Li, Qianrong Fang, Ruren Xu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

A new mixed-valence open-framework iron aluminumphosphate [FeII(H2O)2Fe0.8 IIIAl1.2(PO4)3]· H3O (I) has been synthesized under solvothermal conditions and characterized by single-crystal X-ray diffraction, compositional analyses, TG-TDA and 57Fe powder absorption M̈ssbauer spectroscopy. Compound I crystallizes in the monoclinic space group C2/c (No. 15) with a = 13.3200(14) Å, b = 10.2104(11) Å, c = 8.8412(9) Å, β = 108.590(2), and Z = 4 with R1 =0.0525 (I > 2 σ(I)). Its open-framework structure is built up from distorted FeIIO4(H2O)2 octahedra, AlO5/FeIIIO5 trigonal dipyramids and PO4 tetrahedra, which possesses 8-memebered ring (MR) channels along [001] direction.

Original languageEnglish
Pages (from-to)541-547
Number of pages7
JournalComptes Rendus Chimie
Volume8
Issue number3-4
DOIs
Publication statusPublished - Mar 2005
Externally publishedYes

Keywords

  • Iron aluminophosphate
  • Mixed-valence
  • Open-framework structure
  • Solvothermal synthesis

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