一氧化锰 - 维基百科,自由的百科全书
一氧化锰 | |
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IUPAC名 Manganese(II) oxide 氧化锰(II) | |
别名 | 氧化亚锰 C.I. 77726 |
识别 | |
CAS号 | 1344-43-0 ![]() |
PubChem | 14940 |
RTECS | OP0900000 |
性质 | |
化学式 | MnO |
摩尔质量 | 70.9374 g·mol⁻¹ |
外观 | 绿色晶体 |
密度 | 5.37 g/cm3 (23 °C) |
熔点 | 1785 °C[1] |
溶解性(水) | 不溶 |
折光度n D | 2.16 |
结构 | |
晶体结构 | 石盐 (立方晶系), cF8 |
空间群 | Fm3m, No. 225 |
配位几何 | 八面体 (Mn2+) 八面体 (O2–) |
危险性 | |
欧盟编号 | 未列出 |
闪点 | 不可燃 |
相关物质 | |
其他阴离子 | 硫化锰 硒化锰 碲化锰 |
其他阳离子 | 一氧化铬 氧化亚铁 |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
一氧化锰是锰的一种氧化物,化学式MnO,在自然界中以罕见的方锰矿的形式存在。[2]它在磁共振成像、电极材料制备等方面有着潜在应用。[3]
结构
[编辑]一氧化锰有着与氯化钠晶体相同的结构,其阴、阳离子都处于八面体的配位环境中,它有着非化学计量比的组成,可由MnO变化到MnO1.045[4]。在118 K以下时,一氧化锰具有反铁磁性[4],其磁结构最初于1951年由中子衍射得到表征。[5]。其禁带宽度为4.02 eV,自旋磁矩为4.52 μB。[6]
制备
[编辑]草酸锰的热分解根据产物的不同会生成一氧化锰、α-三氧化二锰或四氧化三锰,其中在真空中于500 °C分解可以得到一氧化锰。[8]
化学性质
[编辑]一氧化锰不溶于水[2],是一种离子型的碱性氧化物,和酸反应得到相应的二价锰盐。[4]例如:[9]
它在高温下和氢氧化钠反应,生成锰(III)酸钠并放出氢气:[10]
它和氯化铁反应得到铁酸锰:[11]
它和氧化钡、锰(III)酸钇于高温反应,可以得到具有层状钙钛矿结构的化合物YBaMn2O5;[12]和五氧化二钒或偏钒酸铵反应,得到具有钪钇石结构的Mn2V2O7。[13] 它可以直接用作反应物来构建其它一些含锰材料,如(H2dmp)0.5Mn(H2PO4)(C2O4)[14]、Na3Mn2SbO6等。[15]
参考文献
[编辑]- ^ Hay, R.; Howat, D. D.; White, James. Slag systems. Journal of the West of Scotland Iron and Steel Institute, 1934. 41: 97-105. ISSN: 0083-825X.
- ^ 2.0 2.1 2.2 Pradyot Patnaik (2002) Handbook of Inorganic Chemicals, McGraw-Hill Professional, ISBN 0070494398
- ^ 王涛, 周菊红. 一氧化锰纳米材料的研究进展. 广州化工, 2016, 44(21):10-12. doi:10.3969/j.issn.1001-9677.2016.21.005
- ^ 4.0 4.1 4.2 4.3 Greenwood, N. N.; Earnshaw, A. Chemistry of the Elements 2nd. Oxford:Butterworth-Heinemann. 1997. ISBN 0-7506-3365-4.
- ^ Shull, C. G.; Strauser, W. A.; Wollan, E. O. Neutron Diffraction by Paramagnetic and Antiferromagnetic Substances. Physical Review. 1951, 83 (2): 333–345. ISSN 0031-899X. doi:10.1103/PhysRev.83.333.
- ^ Franchini, C.; Bayer, V.; Podloucky, R.; Paier, J.; Kresse, G. Density functional theory study of MnO by a hybrid functional approach. Physical Review B. 2005, 72 (4). ISSN 1098-0121. doi:10.1103/PhysRevB.72.045132.
- ^ W.H. McCarroll (1994) Oxides- solid sate chemistry, Encyclopedia of Inorganic chemistry Ed. R. Bruce King, John Wiley & Sons ISBN 0-471-93620-0
- ^ Ahmad, Tokeer; Ramanujachary, Kandalam V.; Lofland, Samuel E.; Ganguli, Ashok K. Nanorods of manganese oxalate: a single source precursor to different manganese oxide nanoparticles (MnO, Mn2O3, Mn3O4). Journal of Materials Chemistry. 2004, 14 (23): 3406. ISSN 0959-9428. doi:10.1039/b409010a.
- ^ Sniekers, Jeroen; Malaquias, João C.; Van Meervelt, Luc; Fransaer, Jan; Binnemans, Koen. Manganese-containing ionic liquids: synthesis, crystal structures and electrodeposition of manganese films and nanoparticles. Dalton Transactions. 2017, 46 (8): 2497–2509. ISSN 1477-9226. doi:10.1039/C6DT04781E.
- ^ Kreider, Peter B.; Funke, Hans H.; Cuche, Kevin; Schmidt, Michael; Steinfeld, Aldo; Weimer, Alan W. Manganese oxide based thermochemical hydrogen production cycle. International Journal of Hydrogen Energy. 2011, 36 (12): 7028–7037. ISSN 0360-3199. doi:10.1016/j.ijhydene.2011.03.003.
- ^ Muroi, M.; Street, R.; McCormick, P. G.; Amighian, J. Magnetic properties of ultrafineMnFe2O4powders prepared by mechanochemical processing. Physical Review B. 2001, 63 (18). ISSN 0163-1829. doi:10.1103/PhysRevB.63.184414.
- ^ Chapman, Jon P.; Attfield, J. Paul; Molgg, Michele; Friend, Chris M.; Beales, Tim P. A Ferrimagnetic Manganese Oxide with a Layered Perovskite Structure: YBaMn2O5. Angewandte Chemie International Edition in English. 1996, 35 (21): 2482–2484. ISSN 0570-0833. doi:10.1002/anie.199624821.
- ^ Knowles, Kevin M.; Sil, Anjan; Stöger, Berthold; Weil, Matthias. Crystal structure of the thortveitite-related M phase, (MnxZn1-x)2V2O7 (0.75<x<0.913): a combined synchrotron powder and single-crystal X-ray study. Acta Crystallographica Section C Structural Chemistry. 2018, 74 (10): 1079–1087. ISSN 2053-2296. doi:10.1107/S2053229618010458.
- ^ Luan, Lindong; Zou, Guohong; Lin, Zhien; Cai, Huaqiang; Huang, Hui. Solvent-free synthesis of metal phosphate-oxalates with layered and zeolitic structures. Inorganic Chemistry Communications. 2018, 96: 65–68. ISSN 1387-7003. doi:10.1016/j.inoche.2018.08.003.
- ^ Yadav, Dileep Kumar; Sethi, Aanchal; Shalu, Shalu; Uma, S. New series of honeycomb ordered oxides, Na3M2SbO6 (M(II) = Mn, Fe, (Mn, Fe), (Mn, Co)): synthesis, structure and magnetic properties. Dalton Transactions. 2019, 48 (24): 8955–8965. ISSN 1477-9226. doi:10.1039/C9DT01194C.
拓展阅读
[编辑]
- Spear, Frank S.; Cheney, John T. A petrogenetic grid for pelitic schists in the system SiO2-Al2O3-FeO-MgO-K2O-H2O. Contributions to Mineralogy and Petrology. 1989, 101 (2): 149–164. ISSN 0010-7999. doi:10.1007/BF00375302.
- Wu, Rongcheng; Qu, Jiuhui; Chen, Yongsheng. Magnetic powder MnO–Fe2O3 composite—a novel material for the removal of azo-dye from water. Water Research. 2005, 39 (4): 630–638. ISSN 0043-1354. doi:10.1016/j.watres.2004.11.005.
- Dong, Shun; Tang, Weikang; Hu, Peitao; Zhao, Xiaoguang; Zhang, Xinghong; Han, Jiecai; Hu, Ping. Achieving Excellent Electromagnetic Wave Absorption Capabilities by Construction of MnO Nanorods on Porous Carbon Composites Derived from Natural Wood via a Simple Route. ACS Sustainable Chemistry & Engineering. 2019, 7 (13): 11795–11805. ISSN 2168-0485. doi:10.1021/acssuschemeng.9b02100.
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