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Title: Heptanickel(II) double-cubane core in wells-dawson heteropolytungstate, [Ni7(OH)6(H2O)6(P2W15O56)2]16−
Authors: Bassil, Bassem 
Xiang, Y
Haider, Ali
Hurtado, J
Novitchi, G
Powell, A.K
Bossoh, A.M
Mbomekallé, I.M
De Oliveira, P
Kortz, Ulrich
Affiliations: Department of Chemistry 
Issue Date: 2016
Part of: Journal of chemical communications
Volume: 52
Start page: 2601
End page: 2604
The hepta-Ni2+-containing 30-tungsto-4-phosphate(V) [Ni7(OH)6(H2O)6(P2W15O56)2]16− (1) has been synthesized in aqueous, slightly basic medium under conventional reaction conditions, and charactarized via different physical methods. Single-crystal XRD showed that 1 consists of a corner-fused double-cubane {Ni7(OH)6(H2O)6}8+ fragment sandwiched by two trilacunary [P2W15O56]12− units. Polyanion 1 is solution-stable as shown by 31P NMR. Ferromagnetic coupling interaction between the 7 paramagnetic centers of the double-cubane core in 1 with a S = 7 ground state was demonstrated. Electrochemical studies were also performed on 1.
Type: Journal Article
Appears in Collections:Department of Chemistry

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