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Subhalide

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Subhalide

In chemistry, subhalide usually refers to inorganic compounds where the halide/metal ratio requires metal-metal (or element-element for nonmetals) bonding, sometimes extensively. Many compounds meet this definition.

Examples

Boron forms many subhalides, starting with B2X4, a representative member being diboron tetrafluoride. Aluminium forms a variety of subhalides. For gallium, adducts of Ga2Cl4 are known. Phosphorus subhalides include P2I4 P4Cl2, and P7Cl3 (structurally related to P73−). For bismuth, the compound originally described as bismuth monochloride was later shown to consists of Bi95+ clusters with chloride anions. Telluriium subhalides are particularly extensive and include the following members Te3Cl2, Te2X (X = Cl, Br, I), and two forms of TeI.

References

Subhalide Wikipedia


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