Repozytorium
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Kolekcje
Inne
Crystal structure and phase transitions of [(C2H5)4N]6Bi8Cl30.
Autorzy
Rok wydania
1989
Czasopismo
Journal of Physics and Chemistry of Solids
Numer woluminu
50
Strony
1265-1269
DOI
10.1016/0022-3697(89)90399-5
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
A new [(C2H5)4N]6Bi8Cl30 crystal of the family of alkylammonium halogenobismuthates was grown. X-ray diffraction studies showed that the crystals are monoclinic, space group C2/m with a = 20.117(5), b = 12.682(3), c = 20.396(5) Å, β = 93.03(3), Z =2. The lattice consists of (C2H5)4N+ cations and a new type of Bi8Cl6−30 anion. Dielectric studies revealed two closely-lying structural phase transitions around 241 K (on cooling). They were interpreted as due to a freezing of the rotational motions of tetraethylammonium cations.
Adres publiczny
https://doi.org/10.1016/0022-3697(89)90399-5
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