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Yaffa, L., Kama, A. B., Sall, M. L., Diop, C. A. K., Sidibe, M., Giorgi, M., Diop, M. & Gautier, R. (2020) Role of the organic counterions on the protonation of Strandberg-type phosphomolybdates. Polyhedron, 191 114795.
Added by: Richard Baschera (2020-11-17 13:20:19) Last edited by: Richard Baschera (2020-11-17 13:47:06) |
| Type de référence: Article DOI: 10.1016/j.poly.2020.114795 Numéro d'identification (ISBN etc.): 02775387 Clé BibTeX: Yaffa2020 Voir tous les détails bibliographiques  |
Catégories: INTERNATIONAL, MIOPS Créateurs: Diop, Diop, Gautier, Giorgi, Kama, Sall, Sidibe, Yaffa Collection: Polyhedron |
Consultations : 1/298
Indice de consultation : 5% Indice de popularité : 1.25% |
| Liens URLs https://linkinghub ... /S0277538720304526 |
| Résumé |
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Strandberg-type phosphomolybdate anions are metal-oxide clusters with general formula [HnP2Mo5O23]((6.n)) (n = 0, 1, 2). The protonation/deprotonation of this anion affects its redox properties. Herein, we explain how to select the organic counterions to direct the synthesis towards the non-protonated or protonated anion. The method is illustrated with the synthesis of two new compounds (C5H16N2)(3)[P2Mo5O23]center dot 4H(2)O (1) and (CH6N)(4)[H2P2Mo5O23]center dot CH5N center dot 4H(2)O (2). The two compounds were characterized by UV-Visible absorption, IR spectroscopy and single crystal X-ray diffraction. Their thermal stabilities and redox properties were also investigated. (C) 2020 Elsevier Ltd. All rights reserved.
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