Formation of zintl-ions in alkali-lead alloys
نویسندگان
چکیده
منابع مشابه
"n-Doping" of deltahedral Zintl ions.
We report a simple and efficient method for replacing germanium atoms in deltahedral Ge(9)(4-) clusters with Sb or Bi. While reactions of Ge(9)(4-) with EPh(3) (E = Sb, Bi) at room temperature are known to produce mono- and disubstituted clusters [Ph(2)E-Ge(9)-Ge(9)-EPh(2)](4-) and [Ph(2)E-Ge(9)-EPh(2)](2-), respectively, at elevated temperatures or with sonication they result in exchange of Ge...
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15 صفحه اولFe(3+) ions in alkali lead tetraborate glasses--an electron paramagnetic resonance and optical study.
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متن کاملHeteroatomic deltahedral zintl ions of group 14 and their alkenylation.
Reported is the synthesis of Ge(9-x)Sn(x) heteroatomic deltahedral Zintl ions and their alkenylation by reactions with alkynes. The nine-atom clusters are made either by extraction from mixed Ge/Sn precursors with nominal composition K(4)Ge(9-x)Sn(x) or by dissolution of mixtures of the corresponding binary precursors K(4)Ge(9) and K(4)Sn(9) in solvents with high dielectric constants such as DM...
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ژورنال
عنوان ژورنال: Journal of Non-Crystalline Solids
سال: 1990
ISSN: 0022-3093
DOI: 10.1016/0022-3093(90)90877-o