Conţinutul numărului revistei |
Articolul precedent |
Articolul urmator |
355 0 |
SM ISO690:2012 KORCHAGIN, Denis, GUREEV, Ya, YURIEVA, Elena, SHILOV, Gennadii, AKIMOV, Alexander, MISOCHKO, Eugenii, MORGUNOV, Roman, ZAKHAROV, Konstantin, VASILIEV, Alexander, PALII, Andrew, LOHMILLER, Thomas, HOLLDACK, Karsten, ALDOSHIN, Serghei. Field-induced single-ion magnet based on a quasi-octahedral Co(ii) complex with mixed sulfur-oxygen coordination environment. In: Dalton Transactions, 2021, nr. 39(50), pp. 13815-13822. ISSN 1477-9226. DOI: https://doi.org/10.1039/d1dt02413b |
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Dalton Transactions | |
Numărul 39(50) / 2021 / ISSN 1477-9226 /ISSNe 1477-9234 | |
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DOI:https://doi.org/10.1039/d1dt02413b | |
Pag. 13815-13822 | |
Rezumat | |
Synthesis and characterization of structure and magnetic properties of the quasi-octahedral complex (pipH2)[Co(TDA)2] 2H2O (I), (pipH22+ = piperazine dication, TDA2- = thiodiacetic anion) are described. X-ray diffraction studies reveal the first coordination sphere of the Co(ii) ion, consisting of two chelating tridentate TDA ligands with a mixed sulfur-oxygen strongly elongated octahedral coordination environment. SQUID magnetometry, frequency-domain Fourier-transform (FD-FT) THz-EPR spectroscopy, and high-level ab initio SA-CASSCF/NEVPT2 quantum chemical calculations reveal a strong "easy-plane"type magnetic anisotropy (D ≈ +54 cm-1) of complex I. The complex shows field-induced slow relaxation of magnetization at an applied DC field of 1000 Oe. |
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