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Kolekcje
Inne
Synthesis, structure and magnetic properties of a tetranuclear Mn(II) complex with carbohydrazone based ligand.
Autorzy
Rok wydania
2015
Czasopismo
Inorganic Chemistry Communications
Numer woluminu
62
Strony
60-63
DOI
10.1016/j.inoche.2015.10.021
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
A new tetranuclear complex of Mn(II), [Mn4(L)2(CH3OH)2(μ-N3)4(N3)2] ∙ 2(CH3OH) (1), was synthesized and characterized by spectroscopic methods, single-crystal X-ray diffraction analysis and TGA analysis where HL is bis-[(E)-N′-(phenyl(pyridin-2-yl)methylene)]carbohydrazide. Single crystal X-ray analysis reveals that 1 has a Mn4 core in which Mn(II) ions are connected by azide and enolate oxygen atoms. IR spectroscopy and X-ray analysis indicate that the carbohydrazone is coordinated to the metal cores as a mononegative ligand in the enol form. The magnetic behavior of 1 was investigated between 2 and 295 K and indicated that the magnetic coupling mediated via azide bridge is ferromagnetic whereas the enolate oxygen mediates antiferromagnetic coupling that leads to overall antiferromagnetic behavior.
Słowa kluczowe
Mn(II) complex, Magnetic studies, crystal structure, spectroscopic studies, TGA analysis
Adres publiczny
http://dx.doi.org/10.1016/j.inoche.2015.10.021
Strona internetowa wydawcy
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