Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13−
Abstract
:1. Introduction
2. Results and Discussion
2.1. Synthesis of K13[Eu(α-SiW9Mo2O39)2] 21H2O
2.2. Elemental Analysis, TGA and IR Spectroscopy
2.3. Structure
2.4. NMR Spectroscopy
2.5. Electrochemistry
2.5.1. Compared Redox Behaviour of 1 and of [SiW9Mo3O40]4− at pH 3.0
2.5.2. Electro-Catalytic Activity of 1 towards O2 and H2O2 Reduction
3. Experimental Section
3.1. Synthesis of K13[Eu(α-SiW9Mo2O39)2] 21H2O
3.2. TGA, and IR Spectroscopy
3.3. X-ray Crystallography
Parameters | 1 |
---|---|
Formula | EuK13Mo4O94Si2W18 |
Formula weight, g | 5913.50 |
Crystal system | triclinic |
Space group | P-1 |
a/Å | 12.2447(10) |
b/Å | 12.7803(10) |
c/Å | 33.762(3) |
α/° | 83.799(2) |
β/° | 85.106(2) |
γ/° | 66.214(2) |
V/Å3 | 4801.4(6) |
Z | 2 |
Dcalc/g cm−3 | 4.090 |
μ/mm−1 | 23.307 |
Data/parameters | 37169/26808 |
Rint | 0.0560 |
GOF | 0.946 |
R1 (I > 2σ(I)) | 0.0720 |
wR2 | 0.1786 |
3.4. NMR Spectroscopy
3.5. Electrochemistry
4. Conclusions
Supplementary Materials
Acknowledgments
Author Contribution
Conflicts of Interest
References
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Parent, L.; De Oliveira, P.; Teillout, A.-L.; Dolbecq, A.; Haouas, M.; Cadot, E.; Mbomekallé, I.M. Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13−. Inorganics 2015, 3, 341-354. https://doi.org/10.3390/inorganics3030341
Parent L, De Oliveira P, Teillout A-L, Dolbecq A, Haouas M, Cadot E, Mbomekallé IM. Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13−. Inorganics. 2015; 3(3):341-354. https://doi.org/10.3390/inorganics3030341
Chicago/Turabian StyleParent, Loïc, Pedro De Oliveira, Anne-Lucie Teillout, Anne Dolbecq, Mohamed Haouas, Emmanuel Cadot, and Israël M. Mbomekallé. 2015. "Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13−" Inorganics 3, no. 3: 341-354. https://doi.org/10.3390/inorganics3030341