| Conţinutul numărului revistei |
| Articolul precedent |
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 SM ISO690:2012ALDOSHIN, Serghei, ANTIPIN, Igor, KNIAZEVA, Mariya, KORCHAGIN, Denis, MORGUNOV, Roman, OVSYANNIKOV, Alexander, PALII, Andrew, SANINA, N., SHILOV, Gennadii, SOLOVIEVA, Svetlana. Synthesis, Structure and Magnetic Properties of Mn2Tb2 Tetranuclear Complex with p-tert-Butylthiacalix[4]arene. In: Israel Journal of Chemistry, 2020, nr. 5-6(60), pp. 600-606. ISSN 0021-2148. DOI: https://doi.org/10.1002/ijch.201900155 |
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 Israel Journal of Chemistry |
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| Numărul 5-6(60) / 2020 / ISSN 0021-2148 /ISSNe 1869-5868 | ||||||
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| DOI:https://doi.org/10.1002/ijch.201900155 | ||||||
| Pag. 600-606 | ||||||
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A new tert-buthylthiacalix[4]arene-based tetranuclear 3d-4f metal complex with the Mn2Tb2 core has been synthesized and its molecular and crystal structures have been studied by X-ray diffraction. The complex geometry is similar to that of the earlier synthesized tert-buthylthiacalix[4]arene-based M2Ln2 complexes with M=Mn(II), Co(II), and Ln=Gd, Pr, Eu, but unlike those systems, it exhibits intricated cooperative low-temperature magnetic properties arising from the presence of intercluster interactions. At T<8.5 K the complex shows weak spin-canted ferromagnetism and field induced metamagnetic phase transition. The paramagnetic behavior observed at temperatures higher than 8.5 K is similar to that previously reported for the Mn2Gd2 complex, this being indicative of the existence of competitive ferro- and antiferromagnetic intracluster interactions. |
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| Cuvinte-cheie 3d-4f metal complexes, metamagnetic transition, SQUID magnetometryt, hiacalix[4]arenes, X-ray diffraction analysis |
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