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Insertion of single-ion magnets based on mononuclear Co(II) complexes into ferromagnetic oxalate-based networks
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Insertion of single-ion magnets based on mononuclear Co(II) complexes into ferromagnetic oxalate-based networks
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| Palacios-Corella, M.; García López, Víctor; Sánchez-Sánchez, C.; Clemente Juan, Juan Modesto; Clemente León, Miguel; Coronado Miralles, Eugenio | |||
| Aquest document és un/a article, creat/da en: 2021 | |||
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| The 1 : 2 and 1 : 1 Co(II) complexes of the L ligand (L = 6-(3,5-diamino-2,4,6-triazinyl)2,2′-bipyridine) with formulas [CoII(L)2](ClO4)2·0.5MeCN·Et2O (1) and [CoII(L)(CH3CN)2(H2O)](ClO4)2·MeCN (2) have been prepared. The structural and magnetic characterization of the two compounds shows that they contain octahedral high-spin Co(II) and present a field-induced slow relaxation of the magnetization. 1 has been inserted into a bimetallic oxalate-based network leading to a novel achiral 3D compound of formula [CoII(L)2][MnIICrIII(ox)3]2·(solvate) (3) exhibiting ferromagnetic ordering below 4.6 K. EPR measurements suggest a weak magnetic coupling between the two sublattices. | |||
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23 - Química [1060]