四氟氧化鎢
四氟氧化鎢 | |
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識別 | |
CAS號 | 13520-79-1 ![]() |
PubChem | 139487 |
SMILES |
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InChI |
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性質 | |
化學式 | WOF4 |
莫耳質量 | 275.83 g·mol⁻¹ |
外觀 | 無色晶體[1] |
密度 | 5.07 g/cm3[2] |
熔點 | 110 °C(383 K)([2]) |
沸點 | 185 °C(458 K) |
溶解性(水) | 反應[2] |
溶解性 | 可溶於氯仿[3] 微溶於二硫化碳[3] |
結構 | |
晶體結構 | 單斜晶系 |
危險性 | |
歐盟分類 | 未列出 |
相關物質 | |
其他陰離子 | 四氯氧化鎢 四溴氧化鎢 |
其他陽離子 | 四氟氧化鉬 |
相關化學品 | 二氟二氧化鎢 |
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。 |
四氟氧化鎢是一種無機化合物,化學式為WOF4,易水解。其反應活性類似於六氟化鎢。[4]
製備
WOF4可由氟氣於230~400℃和三氧化鎢反應得到:[4]
- WO3 + 2 F2 → WOF4 + 2 O2
它也可以由鎢和氧氣和氟氣的混合物在高溫下反應而成,[1]六氟化鎢的部分水解也能產生WOF4:[5]
WOF4還可以由氟化鉛和三氧化鎢在700 °C下反應而成:[3]
性質
固態的WOF4之前假定為四聚體結構,[6]後來受到光譜學研究的質疑。在氣態下,該分子具有單體結構。[7]四氟氧化鎢可以和乙腈等配體形成配合物。[8][9]
參考文獻
- ^ 1.0 1.1 1.2 Perry, Dale L.; Phillips, Sidney L. Handbook of inorganic compounds. Boca Raton: CRC Press. 1995: 428. ISBN 0-8493-8671-3. OCLC 32347397.
- ^ 2.0 2.1 2.2 Haynes, William M.; Lide, David R.; Bruno, Thomas J. CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data.. Boca Raton, Florida. 2017: 104. ISBN 978-1-4987-5429-3. OCLC 957751024.
- ^ 3.0 3.1 3.2 3.3 Lassner, Erik; Schubert, Wolf-Dieter. Tungsten : Properties, Chemistry, Technology of the Element, Alloys, and Chemical Compounds. Boston, MA. 1999: 168. ISBN 1-4615-4907-8. OCLC 1113605323.
- ^ 4.0 4.1 朱文祥. 無機化合物製備手冊. 化學工業出版社, 2006. pp 269 【Ⅵ-132】 四氟氧鎢. ISBN 7-5025-8537-0
- ^ 5.0 5.1 Mendicino, L.; Electrochemical Society. Dielectric Science and Technology Division; Electrochemical Society. Meeting; Symposium on Environmental Issues with Materials and Processes in the Electronics and Semiconductor Industries. Environmental issues with materials and processes for the electronics and semiconductor industries : proceedings of the fourth international symposium. Pennington, NJ: Electrochemical Society. 2001: 180. ISBN 1-56677-312-1. OCLC 48710248.
- ^ Lippard, Stephen J. Progress in inorganic chemistry. Volume 28. New York, N.Y.: Wiley. 1981: 245. ISBN 978-0-470-16679-6. OCLC 123541241.
- ^ Johnson, B. F. G. Inorganic chemistry of the transition elements. Volume 4, A review of the literature published between October 1973 and September 1974. London: Chemical Society. 1976: 138. ISBN 978-1-84755-645-5. OCLC 820579758.
- ^ Levason, William; Reid, Gillian; Zhang, Wenjian. Coordination complexes of the tungsten(VI) oxide fluorides WOF4 and WO2F2 with neutral oxygen- and nitrogen-donor ligands. Journal of Fluorine Chemistry (Elsevier BV). 2016, 184: 50–57. ISSN 0022-1139. doi:10.1016/j.jfluchem.2016.02.003.
- ^ Arnaudet, Lucile; Bougon, Roland; Charpin, Pierrette; Isabey, Jacques; Lance, Monique; Nierlich, Martine; Vigner, Julien. Preparation, characterization, and crystal structure of the adducts WOF4.nC5H5N (n = 1, 2). Inorganic Chemistry (American Chemical Society (ACS)). 1989, 28 (2): 257–262. ISSN 0020-1669. doi:10.1021/ic00301a020.
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