<p><b>三溴化鎝</b>是一種無機化合物，化學式為TcBr<sub>3</sub>。
</p>
<h2><span id=".E5.88.B6.E5.A4.87.E4.B8.8E.E7.BB.93.E6.9E.84"></span><span id="制备与结构">製備與結構</span></h2>
<p>用氫於750℃還原二氧化鎝，得到灰色的金屬鎝。將製得的金屬鎝和溴按化學計量比1:3反應，得到TcBr<sub>3</sub>。</p>
<dl><dd>2 Tc + 3 Br<sub>2</sub> → TcBr<sub>3</sub></dd></dl><p>其結構為無限延伸的鏈狀[TcBr<sub>6</sub>]八面體。而同族錸的三溴化物為三聚體Re<sub>3</sub>Br<sub>9</sub>。
</p>
<h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

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**三溴化鎝**是一種無機化合物，化學式為 TcBr3。

## 製備與結構

用氫於 750℃還原二氧化鎝，得到灰色的金屬鎝。將製得的金屬鎝和溴按化學計量比 1:3 反應，得到 TcBr3。

　
: 2 Tc + 3 Br2 → TcBr3

其結構為無限延伸的鏈狀 [TcBr6] 八面體。而同族錸的三溴化物為三聚體 Re3Br9。

## 參考文獻
142287-57-8