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Inne
Bis(tetraethylammonium) tetrabromocobaltate(II) and bis(tetrabutylammonium) tetrabromomanganate(II): structure and magnetic properties.
Autorzy
Rok wydania
2010
Czasopismo
Numer woluminu
21
Strony
269-276
DOI
10.1007/s11224-009-9577-y
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
he crystal structures of tetrabromocobal-tate(II) and tetrabromomanganate(II) salts of general for-mula [(C2H5)4N]2[CoBr4](1) and [(C4H9)4N]2[MnBr4](2)were determined. The manganese and cobalt cations arefour-coordinated by bromide anions and they adopt aslightly distorted tetrahedral coordination. In the structureof both compounds there are neither hydrogen bonds norany unusual short-range intermolecular interactions. Mag-netic measurements of the powdered samples gave nega-tive values of the Weiss constants equal to-4.9 and-1.1 K for (1) and (2), respectively, which suggest anti-ferromagnetic interactions to be transferred within thecrystal lattice
Słowa kluczowe
Tetrabromometallates(II), Manganese, Cobalt, magnetic properties, EPR spectroscopy
Adres publiczny
http://dx.doi.org/10.1007/s11224-009-9577-y
Strona internetowa wydawcy
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