<p><b>一氧化二碳</b>（<b>DCMO</b>），分子式為C<sub>2</sub>O，是一種十分活潑的共價化合物。它是二氧化三碳光解的中間體，與CO、CO<sub>2</sub>和C<sub>3</sub>O<sub>2</sub>等碳氧化物聯繫密切。
</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\rm {C_{3}O_{2}\rightarrow CO+C_{2}O}}}">
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              <mi mathvariant="normal">C</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>3</mn>
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              <mi mathvariant="normal">O</mi>
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              <mi mathvariant="normal">C</mi>
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    <annotation encoding="application/x-tex">{\displaystyle {\rm {C_{3}O_{2}\rightarrow CO+C_{2}O}}}</annotation>
  </semantics></math></span></span></dd></dl><p>它相對穩定，與NO和NO<sub>2</sub>會發生反應。
</p>
<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>
<ol><li><cite class="citation journal">Bayes, Kyle. THE PHOTOLYSIS OF CARBON SUBOXIDE. Journal of the American Chemical Society. 1961-09, <b>83</b> (17): 3712–3713 <span> [<span>2022-03-02</span>]</span>. <span title="國際標準連續出版物號">ISSN 0002-7863</span>. <span title="數位物件識別號">doi:10.1021/ja01478a033</span>. （原始內容存檔於2022-03-28） <span title="連接到英語網頁">（英語）</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E4%B8%80%E6%B0%A7%E5%8C%96%E4%BA%8C%E7%A2%B3&amp;rft.atitle=THE+PHOTOLYSIS+OF+CARBON+SUBOXIDE&amp;rft.aufirst=Kyle&amp;rft.aulast=Bayes&amp;rft.date=1961-09&amp;rft.genre=article&amp;rft.issn=0002-7863&amp;rft.issue=17&amp;rft.jtitle=Journal+of+the+American+Chemical+Society&amp;rft.pages=3712-3713&amp;rft.volume=83&amp;rft_id=https%3A%2F%2Fpubs.acs.org%2Fdoi%2Fabs%2F10.1021%2Fja01478a033&amp;rft_id=info%3Adoi%2F10.1021%2Fja01478a033&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li>
<li><cite class="citation journal">Anderson, D. J.; Rosenfeld, R. N. Photodissociation dynamics of carbon suboxide at 193 and 248 nm. The Journal of Chemical Physics. 1991-06-15, <b>94</b> (12): 7857–7867 <span> [<span>2022-03-02</span>]</span>. <span title="國際標準連續出版物號">ISSN 0021-9606</span>. <span title="數位物件識別號">doi:10.1063/1.460121</span>. （原始內容存檔於2022-03-28） <span title="連接到英語網頁">（英語）</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E4%B8%80%E6%B0%A7%E5%8C%96%E4%BA%8C%E7%A2%B3&amp;rft.atitle=Photodissociation+dynamics+of+carbon+suboxide+at+193+and+248+nm&amp;rft.au=Rosenfeld%2C+R.+N.&amp;rft.aufirst=D.+J.&amp;rft.aulast=Anderson&amp;rft.date=1991-06-15&amp;rft.genre=article&amp;rft.issn=0021-9606&amp;rft.issue=12&amp;rft.jtitle=The+Journal+of+Chemical+Physics&amp;rft.pages=7857-7867&amp;rft.volume=94&amp;rft_id=http%3A%2F%2Faip.scitation.org%2Fdoi%2F10.1063%2F1.460121&amp;rft_id=info%3Adoi%2F10.1063%2F1.460121&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li>
<li><cite class="citation journal">Thweatt, W. David; Erickson, Mark A.; Hershberger, John F. Kinetics of the CCO + NO and CCO + NO 2 Reactions. The Journal of Physical Chemistry A. 2004-01-01, <b>108</b> (1): 74–79 <span> [<span>2022-03-02</span>]</span>. <span title="國際標準連續出版物號">ISSN 1089-5639</span>. <span title="數位物件識別號">doi:10.1021/jp0304125</span>. （原始內容存檔於2022-03-02） <span title="連接到英語網頁">（英語）</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E4%B8%80%E6%B0%A7%E5%8C%96%E4%BA%8C%E7%A2%B3&amp;rft.atitle=Kinetics+of+the+CCO+%2B+NO+and+CCO+%2B+NO+2+Reactions&amp;rft.au=Erickson%2C+Mark+A.&amp;rft.au=Hershberger%2C+John+F.&amp;rft.aufirst=W.+David&amp;rft.aulast=Thweatt&amp;rft.date=2004-01-01&amp;rft.genre=article&amp;rft.issn=1089-5639&amp;rft.issue=1&amp;rft.jtitle=The+Journal+of+Physical+Chemistry+A&amp;rft.pages=74-79&amp;rft.volume=108&amp;rft_id=https%3A%2F%2Fpubs.acs.org%2Fdoi%2F10.1021%2Fjp0304125&amp;rft_id=info%3Adoi%2F10.1021%2Fjp0304125&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li></ol><!-- 
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**一氧化二碳**（**DCMO**），分子式為 C2O，是一種十分活潑的共價化合物。它是二氧化三碳光解的中間體，與 CO、CO2 和 C3O2 等碳氧化物聯繫密切。

　
: ${\rm {C_{3}O_{2}\rightarrow CO+C_{2}O}}$

它相對穩定，與 NO 和 NO2 會發生反應。

## 參考資料

1. Bayes, Kyle. THE PHOTOLYSIS OF CARBON SUBOXIDE. Journal of the American Chemical Society. 1961-09, **83** (17): 3712–3713 [2022-03-02]. ISSN 0002-7863. doi:10.1021/ja01478a033. （原始內容存檔於 2022-03-28） （英語）.
2. Anderson, D. J.; Rosenfeld, R. N. Photodissociation dynamics of carbon suboxide at 193 and 248 nm. The Journal of Chemical Physics. 1991-06-15, **94** (12): 7857–7867 [2022-03-02]. ISSN 0021-9606. doi:10.1063/1.460121. （原始內容存檔於 2022-03-28） （英語）.
3. Thweatt, W. David; Erickson, Mark A.; Hershberger, John F. Kinetics of the CCO + NO and CCO + NO 2 Reactions. The Journal of Physical Chemistry A. 2004-01-01, **108** (1): 74–79 [2022-03-02]. ISSN 1089-5639. doi:10.1021/jp0304125. （原始內容存檔於 2022-03-02） （英語）.
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