過五氧化氫

過五氧化氫
	首選IUPAC名; Pentaoxidane; 五氧烷
別名	Hydrogen pentoxide, dihydrogen pentoxide
識別
CAS號
PubChem	16122616
SMILES	OOOOO;
InChI	1S/H2O5/c1-3-5-4-2/h1-2H;
InChIKey	KUGRPPRAQNPSQD-UHFFFAOYSA-N
性質
化學式	H2O5
摩爾質量	82.01 g·mol−1
相關物質
相關化學品	過氧化氫; 過三氧化氫; 過四氧化氫（英語：Tetraoxidane）
	若非註明，所有數據均出自標準狀態（25 ℃，100 kPa）下。

過五氧化氫，又稱五氧烷（Pentaoxidane）、五氧化氫（Hydrogen pentoxide）、五氧化二氫（Dihydrogen pentoxide），是一種由氫和氧組成的無機化合物，化學式為H₂O₅^[1]。這是最不穩定的多氧化氫（英語：Hydrogen polyoxide）之一^[2]^[3]^[4]。

合成

該化合物是過三氧化氫生產的副產物。^[5]
該化合物可以通過過氧自由基在低溫下的反應合成。^[6]

參考文獻

^ The Chemistry of Peroxides, Volume 3. John Wiley & Sons. 20 April 2015: 8 [16 May 2023]. ISBN 978-1-118-41271-8 （英語）.
^ Selected ATcT [1, 2] enthalpy of formation based on version 1.122 of the Thermochemical Network [3]. atct.anl.gov. [15 May 2023].
^ Denis, Pablo A. Theoretical characterization of hydrogen pentoxide, H 2 O 5. International Journal of Quantum Chemistry（英語：International Journal of Quantum Chemistry）. 5 October 2013, 113 (19): 2206–2212 [16 May 2023]. doi:10.1002/qua.24432 （英語）.
^ Patai, Saul. The Chemistry of Peroxides. Wiley. 1983: 485 [16 May 2023]. ISBN 978-0-471-10218-2 （英語）.
^ Xu, Xin; Goddard, William A. III. Peroxone chemistry: Formation of H₂O₃ and ring-(HO₂)(HO₃) from O₃/H₂O₂. Proceedings of the National Academy of Sciences. November 2002, 99 (24): 15308–15312. Bibcode:2002PNAS...9915308X. PMC 137712 . PMID 12438699. doi:10.1073/pnas.202596799 .
^ Levanov, Alexander V.; Sakharov, Dmitri V.; Dashkova, Anna V.; Antipenko, Ewald E.; Lunin, Valeri V. Synthesis of Hydrogen Polyoxides H 2 O 4 and H 2 O 3 and Their Characterization by Raman Spectroscopy. European Journal of Inorganic Chemistry（英語：European Journal of Inorganic Chemistry）. November 2011, 2011 (33): 5144–5150 [16 May 2023]. ISSN 1434-1948. doi:10.1002/ejic.201100767 （英語）.

[1] The Chemistry of Peroxides, Volume 3. John Wiley & Sons. 20 April 2015: 8 [16 May 2023]. ISBN 978-1-118-41271-8 （英語）.

[2] Selected ATcT [1, 2] enthalpy of formation based on version 1.122 of the Thermochemical Network [3]. atct.anl.gov. [15 May 2023].

[3] Denis, Pablo A. Theoretical characterization of hydrogen pentoxide, H 2 O 5. International Journal of Quantum Chemistry（英語：International Journal of Quantum Chemistry）. 5 October 2013, 113 (19): 2206–2212 [16 May 2023]. doi:10.1002/qua.24432 （英語）.

[4] Patai, Saul. The Chemistry of Peroxides. Wiley. 1983: 485 [16 May 2023]. ISBN 978-0-471-10218-2 （英語）.

[5] Xu, Xin; Goddard, William A. III. Peroxone chemistry: Formation of H₂O₃ and ring-(HO₂)(HO₃) from O₃/H₂O₂. Proceedings of the National Academy of Sciences. November 2002, 99 (24): 15308–15312. Bibcode:2002PNAS...9915308X. PMC 137712 . PMID 12438699. doi:10.1073/pnas.202596799 .

[6] Levanov, Alexander V.; Sakharov, Dmitri V.; Dashkova, Anna V.; Antipenko, Ewald E.; Lunin, Valeri V. Synthesis of Hydrogen Polyoxides H 2 O 4 and H 2 O 3 and Their Characterization by Raman Spectroscopy. European Journal of Inorganic Chemistry（英語：European Journal of Inorganic Chemistry）. November 2011, 2011 (33): 5144–5150 [16 May 2023]. ISSN 1434-1948. doi:10.1002/ejic.201100767 （英語）.

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