<p><b>二氟化硫</b>是一種硫的鹵化物，化學式為SF<sub>2</sub>。它可由二氯化硫與氟化鉀或氟化汞在低壓在反應製得：
</p>
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  </semantics></math></span></span></dd></dl><p>二氟化硫分子中鍵角為98°，鍵長為159pm。這種化合物十分不穩定，會二聚成為FSSF<sub>3</sub>。它的不對稱同分異構體S<sub>2</sub>F<sub>4</sub>被認為是透過將SF<sub>2</sub>插入到另一個SF<sub>2</sub>分子的S-F鍵產生的。
</p><p>它也可以由二氟化氧和硫化氫反應生成：
</p>
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  </semantics></math></span></span></dd></dl><h2><span id=".E5.8F.82.E8.80.83.E8.B5.84.E6.96.99"></span><span id="参考资料">參考資料</span></h2>

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**二氟化硫**是一種硫的鹵化物，化學式為 SF2。它可由二氯化硫與氟化鉀或氟化汞在低壓在反應製得：

　
: ${\rm {\ SCl_{2}+2KF{\xrightarrow {423K}}SF_{2}+2KCl}}$

　
: ${\rm {\ SCl_{2}+HgF_{2}{\xrightarrow {423K}}SF_{2}+HgCl_{2}}}$

二氟化硫分子中鍵角為 98°，鍵長為 159pm。這種化合物十分不穩定，會二聚成為 FSSF3。它的不對稱同分異構體 S2F4 被認為是透過將 SF2 插入到另一個 SF2 分子的 S-F 鍵產生的。

它也可以由二氟化氧和硫化氫反應生成：

　
: ${\rm {\ OF_{2}+H_{2}S{\xrightarrow {}}SF_{2}+H_{2}O}}$

## 參考資料
13814-25-0