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Bismuthide
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Bismuthide
The bismuthide ion is Bi3− but the term is often used to describe less reduced forms of bismuth.
Bismuthides are compounds of bismuth with more electropositive elements. A wide variety are known.
The stoichiometry of bismuthides ranges from lithium bismuthide (Li3Bi), which can be viewed as the Li+ salt of Bi3-. The corresponding sodium and potassium derivatives are also known. They all prepared by heating the elements.
In terms of Bi-rich phases, examples are LiBi, KBi2, CaBi3, which exhibit strong Bi-Bi bonding. Some are intermetallic compounds, containing partially metallic and partially ionic bonds. The majority of bismuthides adopt efficient packing arrangements and become densely packed structures, which is a characteristic of intermetallic compounds.
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Bismuthide
The bismuthide ion is Bi3− but the term is often used to describe less reduced forms of bismuth.
Bismuthides are compounds of bismuth with more electropositive elements. A wide variety are known.
The stoichiometry of bismuthides ranges from lithium bismuthide (Li3Bi), which can be viewed as the Li+ salt of Bi3-. The corresponding sodium and potassium derivatives are also known. They all prepared by heating the elements.
In terms of Bi-rich phases, examples are LiBi, KBi2, CaBi3, which exhibit strong Bi-Bi bonding. Some are intermetallic compounds, containing partially metallic and partially ionic bonds. The majority of bismuthides adopt efficient packing arrangements and become densely packed structures, which is a characteristic of intermetallic compounds.