CdBiO2NO3, a new layered bismuth oxide nitrateстатья
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Дата последнего поиска статьи во внешних источниках: 26 декабря 2018 г.
Аннотация:Interaction of CdO, Bi2O3, and Cd(NO3)2.4H2O leads to formation of a novel bismuth oxide nitrate, CdBiO2NO3, which completes the family of bismuthite-like MIIBiO2NO3 oxide nitrates. The new compound is tetragonal, I4/mmm, a = 3.9486(1)Å, c = 14.2235(2)Å; its crystal structure resembles those of PbBiO2NO3 and CaBiO2NO3, except for, probably, different positioning of the nitrate group. The compound is stable until ~425 C when it decomposes, in one step, into CdO and a mixture of Bi–Cd oxides. Cd-based analogs of isostructural PbLnO2NO3 oxide nitrates are unlikely to exist. We discuss the similarities and differences in the structures of layered oxyhalides and oxynitrates of bismuth and rare-earths.