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 SM ISO690:2012DARII, Mariana, KRAVTSOV, Victor, KRAMER, Karl W, HAUSER, J, DECURTINS, Silvio, LIU, Shi-Xia, AFFRONTE, M., BACA, Svetlana. Aggregation of a Giant Bean-like {Mn26Dy6} Heterometallic Oxo-Hydroxo-Carboxylate Nanosized Cluster from a Hexanuclear {Mn6} Precursor. In: Crystal Growth and Design, 2020, nr. 1(20), pp. 33-38. ISSN 1528-7483. DOI: https://doi.org/10.1021/acs.cgd.9b01333 |
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  Crystal Growth and Design |
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| Numărul 1(20) / 2020 / ISSN 1528-7483 | ||||||
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| DOI:https://doi.org/10.1021/acs.cgd.9b01333 | ||||||
| Pag. 33-38 | ||||||
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Starting from a well-known hexanuclear mixed-valent manganese cluster, we report a synthetic protocol for its extension toward very large 3d-4f clusters. The exemplary case study demonstrates that a combination of such {Mn6} clusters with a DyIII salt and an auxiliary triazine-type ligand yields a large bean-like, heterometallic dotriacontanuclear mixed-valent nanocluster [Mn26Dy6O16(OH)12(O2CCHMe2)42]. This compound, which possesses a molecular C2 symmetry and crystallizes in a dense packing arrangement without inclusion of solvents, comprises 16 MnIII, 10 MnII, and 6 DyIII ions, thus leading to a plurality of intracluster magnetic exchange interactions. Interestingly, this results in the highest-nuclearity Mn-Dy cluster that shows a single-molecule magnetic (SMM) behavior. |
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| Cuvinte-cheie Binary alloys, Carboxylation, Dysprosium alloys, Metallic compounds |
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