Journal of Chemical Crystallography

, Volume 41, Issue 7, pp 919–923 | Cite as

Synthesis and Crystal Structure of a Pure Inorganic Network Based Tetra-Sodium Capped Sandwich-Type Polyanion

  • Zhangang Han
  • Yanna Wang
  • Xueliang Zhai
Original Paper


The synthesis and single-crystal structure of a Na-salt compound Na10[Co4(OH2)2(AsW9O34)2]·32H2O (1) was reported. Compound 1 crystallizes in triclinic system, space group P−1, with the lattice parameters: a = 11.6040(10) Å, b = 12.9361(13) Å, c = 17.396(2) Å, α = 97.4120(10)°, β = 106.8590(10)°, γ = 111.867(2)° and Z = 1. Compound 1 consists of a pure inorganic network based on tetra-sodium capped sandwich-type anionic clusters [Co4(OH2)2(AsW9O34)2]10− bridged through Na–OH2 subunits. The thermogravimetric and electrochemistry measurements had also been studied.

Graphical Abstract

A pure inorganic network built upon tetra-sodium capped sandwich-type polyanions and Na–O–Na units.


Polyoxometalate Sandwich-type cluster Na–O–Na Inorganic network 



This work was financially supported by the Natural Science Foundation of China (20701011), and Doctoral Initial Foundation of Hebei Normal University (L2005B13), and the Education Department Foundation of Hebei Province (Z2006436).

Supplementary material

10870_2011_18_MOESM1_ESM.doc (228 kb)
Supplementary material 2 (DOC 228 kb)


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.College of Chemistry and Material ScienceHebei Normal UniversityShijiazhuangChina

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