<p><b>五碘化二鑭</b>是一種無機化合物，化學式為La<sub>2</sub>I<sub>5</sub>。它可由化學計量比的單質在鉭制容器中化合而成：</p>
<dl><dd>4 La + 5 I<sub>2</sub> —<sup><u>1225 K</u></sup>→ 2 La<sub>2</sub>I<sub>5</sub></dd></dl><p>該化合物和Pr<sub>2</sub>I<sub>5</sub>有同種結構。
</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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**五碘化二鑭**是一種無機化合物，化學式為 La2I5。它可由化學計量比的單質在鉭制容器中化合而成：

　
: 4 La + 5 I2 —1225 K→ 2 La2I5

該化合物和 Pr2I5 有同種結構。

## 參考文獻
138210-90-9