Technetium tribromide is a binary inorganic chemical compound of technetium metal and bromine with the chemical formula .
Synthesis can be synthesized by reaction of Tc metal with elemental bromine at 400 °C.
Physical properties crystallizes in the orthorhombic space group Pmmn (a = 11.0656(2) Å, b = 5.9717(1) Å, c = 6.3870(1) Å.
Technetium tribromide is isomorphous with and .
The compound is stable in air for weeks and insoluble in common organic solvents.
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