| Conţinutul numărului revistei |
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 SM ISO690:2012WOODS, Toby J., BALLESTEROS-RIVAS, Maria Fernanda, OSTROVSKY, Sergei M., PALII, Andrew, REU, Oleg, KLOKISHNER, Sophia I., DUNBAR, Kim. Strong Direct Magnetic Coupling in a Dinuclear CoII Tetrazine Radical Single-Molecule Magnet. In: Chemistry - A European Journal, 2015, vol. 21, pp. 10302-10305. ISSN 0947-6539. DOI: https://doi.org/10.1002/chem.201501726 |
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  Chemistry - A European Journal |
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| Volumul 21 / 2015 / ISSN 0947-6539 | ||||||
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| DOI:https://doi.org/10.1002/chem.201501726 | ||||||
| Pag. 10302-10305 | ||||||
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The ligand-centered radical complex [(CoTPMA)2-μ-bmtz.-](O3SCF3)3CH3CN (bmtz=3,6-bis(2′-pyrimidyl)-1,2,4,5-tetrazine, TPMA=tris-(2-pyridylmethyl)amine) has been synthesized from the neutral bmtz precursor. Single-crystal X-ray diffraction studies have confirmed the presence of the ligand-centered radical. The CoII complex exhibits slow paramagnetic relaxation in an applied DC field with a barrier to spin reversal of 39K. This behavior is a result of strong antiferromagnetic metal-radical coupling combined with positive axial and strong rhombic anisotropic contributions from the CoII ions. |
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| Cuvinte-cheie cobalt, dinuclear single molecule magnet, magnetic exchange coupling, Radicals, tetrazine |
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