<p><b>四氟化二硼</b>是一種無色氣體。它可以通過一氟化硼與三氟化硼在低溫下反應來製備，需要控制條件以免形成高聚物。在固態時，它的結構為平面型，而在氣態或液態時則扭轉90度，與丙二烯類似。
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<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>
 <ul><li><cite class="citation journal">Louis Trefonas and William N. Lipscomb. Crystal and Molecular Structure of Diboron Tetrafluoride, B<sub>2</sub>F<sub>4</sub>. J. Chem. Phys. 1958, <b>28</b> (1): 54. <span title="數位物件識別號">doi:10.1063/1.1744079</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%9B%9B%E6%B0%9F%E5%8C%96%E4%BA%8C%E7%A1%BC&amp;rft.atitle=Crystal+and+Molecular+Structure+of+Diboron+Tetrafluoride%2C+B%3Csub%3E2%3C%2Fsub%3EF%3Csub%3E4%3C%2Fsub%3E&amp;rft.au=Louis+Trefonas+and+William+N.+Lipscomb&amp;rft.date=1958&amp;rft.genre=article&amp;rft.issue=1&amp;rft.jtitle=J.+Chem.+Phys.&amp;rft.pages=54&amp;rft.volume=28&amp;rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsim_journal-of-chemical-physics_1958-01_28_1%2Fpage%2F54&amp;rft_id=info%3Adoi%2F10.1063%2F1.1744079&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li>
<li><cite class="citation journal">Gayles, J. N.; Self, J. Infrared Spectrum of Diboron Tetrafluoride in the Gaseous and Solid States. Journal of Chemical Physics. 1964, <b>40</b>: 3530–3539. <span title="數位物件識別號">doi:10.1063/1.1725048</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%9B%9B%E6%B0%9F%E5%8C%96%E4%BA%8C%E7%A1%BC&amp;rft.atitle=Infrared+Spectrum+of+Diboron+Tetrafluoride+in+the+Gaseous+and+Solid+States&amp;rft.au=Gayles%2C+J.+N.%3B+Self%2C+J.&amp;rft.date=1964&amp;rft.genre=article&amp;rft.jtitle=Journal+of+Chemical+Physics&amp;rft.pages=3530-3539&amp;rft.volume=40&amp;rft_id=info%3Adoi%2F10.1063%2F1.1725048&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li>
<li><cite class="citation journal">Arthur Finch and Hermann Irving Schlesinger. Diboron Tetrafluoride. J. Am. Chem. Soc. 1958, <b>80</b> (14): 3573–3574. <span title="數位物件識別號">doi:10.1021/ja01547a020</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%9B%9B%E6%B0%9F%E5%8C%96%E4%BA%8C%E7%A1%BC&amp;rft.atitle=Diboron+Tetrafluoride&amp;rft.au=Arthur+Finch+and+Hermann+Irving+Schlesinger&amp;rft.date=1958&amp;rft.genre=article&amp;rft.issue=14&amp;rft.jtitle=J.+Am.+Chem.+Soc.&amp;rft.pages=3573-3574&amp;rft.volume=80&amp;rft_id=info%3Adoi%2F10.1021%2Fja01547a020&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li>
<li><cite class="citation journal">A. K. Holliday and F. B. Taylor. Diboron tetrafluoride. Part II. Reactions with some oxides and organometallic compounds. J. Chem. Soc. 1964: 2731–2734. <span title="數位物件識別號">doi:10.1039/JR9640002731</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%9B%9B%E6%B0%9F%E5%8C%96%E4%BA%8C%E7%A1%BC&amp;rft.atitle=Diboron+tetrafluoride.+Part+II.+Reactions+with+some+oxides+and+organometallic+compounds&amp;rft.au=A.+K.+Holliday+and+F.+B.+Taylor&amp;rft.date=1964&amp;rft.genre=article&amp;rft.jtitle=J.+Chem.+Soc.&amp;rft.pages=2731-2734&amp;rft_id=info%3Adoi%2F10.1039%2FJR9640002731&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li>
<li><cite class="citation journal">Vernon H. Dibeler and Susan K. Liston. Mass-spectrometric study of photoionization. XII. Boron trifluoride and diboron tetrafluoride. J. Chem. Soc. 1968, <b>7</b> (9): 1742–1746. <span title="數位物件識別號">doi:10.1021/ic50067a010</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%9B%9B%E6%B0%9F%E5%8C%96%E4%BA%8C%E7%A1%BC&amp;rft.atitle=Mass-spectrometric+study+of+photoionization.+XII.+Boron+trifluoride+and+diboron+tetrafluoride&amp;rft.au=Vernon+H.+Dibeler+and+Susan+K.+Liston&amp;rft.date=1968&amp;rft.genre=article&amp;rft.issue=9&amp;rft.jtitle=J.+Chem.+Soc.&amp;rft.pages=1742-1746&amp;rft.volume=7&amp;rft_id=info%3Adoi%2F10.1021%2Fic50067a010&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li></ul><h2><span id=".E5.A4.96.E9.83.A8.E9.93.BE.E6.8E.A5"></span><span id="外部链接">外部連結</span></h2>
<ul><li>Diboron tetrafluoride at webelements（頁面存檔備份，存於網際網路檔案館）</li></ul><!-- 
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**四氟化二硼**是一種無色氣體。它可以通過一氟化硼與三氟化硼在低溫下反應來製備，需要控制條件以免形成高聚物。在固態時，它的結構為平面型，而在氣態或液態時則扭轉 90 度，與丙二烯類似。

## 參考資料

* Louis Trefonas and William N. Lipscomb. Crystal and Molecular Structure of Diboron Tetrafluoride, B2F4. J. Chem. Phys. 1958, **28** (1): 54. doi:10.1063/1.1744079.
* Gayles, J. N.; Self, J. Infrared Spectrum of Diboron Tetrafluoride in the Gaseous and Solid States. Journal of Chemical Physics. 1964, **40**: 3530–3539. doi:10.1063/1.1725048.
* Arthur Finch and Hermann Irving Schlesinger. Diboron Tetrafluoride. J. Am. Chem. Soc. 1958, **80** (14): 3573–3574. doi:10.1021/ja01547a020.
* A. K. Holliday and F. B. Taylor. Diboron tetrafluoride. Part II. Reactions with some oxides and organometallic compounds. J. Chem. Soc. 1964: 2731–2734. doi:10.1039/JR9640002731.
* Vernon H. Dibeler and Susan K. Liston. Mass-spectrometric study of photoionization. XII. Boron trifluoride and diboron tetrafluoride. J. Chem. Soc. 1968, **7** (9): 1742–1746. doi:10.1021/ic50067a010.

## 外部連結

* Diboron tetrafluoride at webelements（頁面存檔備份，存於網際網路檔案館）
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