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Inne
Novel anionic water-containing inorganic fragment in [4-NH2PyH]8[Bi2Cl11] [Bi2Cl9(H2O)2]: structural characterization, thermal, dielectric and vibrational properties.
Autorzy
Rok wydania
2010
Czasopismo
Numer woluminu
29
Strony
2014-2022
DOI
10.1016/j.poly.2010.03.017
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
A novel compound, [4-NH2PyH]8[Bi2Cl11][Bi2Cl9(H2O)2] (abbreviated as 4APCB), was synthesized and structurally characterized at 100, 150 and 301 K. 4APCB crystallizes in a triclinic centrosymmetric space group, . The anionic framework is built up of two types of inorganic fragments, namely and , and 4-aminopyridinium- cations stacked between inorganic chains via π–π interactions. The latter type of anionic fragment was found for the first time in halobismuthate(III) solid complexes. Based on the results of differential scanning calorimetry (DSC), dilatometric and dielectric studies, 4APCB was found to undergo irreversible phase transition at ca. 342 K, accompanied by a partial decomposition of the compound (loss of water molecules). This chemical transformation is well reflected in the infrared spectrum of 4APCB.
Słowa kluczowe
Halogenobismuthates(III), X-ray diffraction, phase transition, Infrared
Adres publiczny
https://doi.org/10.1016/j.poly.2010.03.017
Strona internetowa wydawcy
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