Synthesis and Crystal Structure of a Pure Inorganic Network Based Tetra-Sodium Capped Sandwich-Type Polyanion
Journal of Chemical Crystallography(2011)
Abstract
The synthesis and single-crystal structure of a Na-salt compound Na 10 [Co 4 (OH 2 ) 2 (AsW 9 O 34 ) 2 ]·32H 2 O ( 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 [Co 4 (OH 2 ) 2 (AsW 9 O 34 ) 2 ] 10− bridged through Na–OH 2 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.
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Key words
Polyoxometalate,Sandwich-type cluster,Na-O-Na,Inorganic network
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