Germanium tetrabromide
Germanium tetrabromide
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Germanium tetrabromide

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Germanium tetrabromide

Germanium tetrabromide is the inorganic compound with the formula GeBr4. It is a colorless solid that melts near room temperature. It can be formed by treating solid germanium with bromine, or by treating a germanium-copper mixture with bromine:

From this reaction, GeBr4 has a heat of formation of 83.3 kcal/mol.

The compound is liquid at 25 °C, and forms an interlocking liquid structure. From room temperature down to −60 °C the structure takes on a cubic α form, whereas at lower temperatures it takes on a monoclinic β form.

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