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钼酸锰

钼酸锰

IUPAC名
Managnese(2+) molybdate
英文名 Manganese molybdate
别名 钼酸亚锰
识别
CAS号 14013-15-1  checkY
PubChem 84155
SMILES
 
  • [O-] [Mo](=O)(=O)[O-].[Mn+2]
InChI
 
  • 1S/Mn.Mo.4O/q+2;;;;2*-1
InChIKey QYZFLCQIQOHNTP-UHFFFAOYSA-N
EINECS 237-823-1
性质
化学式 MnMoO4
摩尔质量 214.88 g·mol⁻¹
外观 米黄色固体(一水合物)[1]
密度 4.02 g/cm3
熔点 1130 °C(1403 K)
溶解性 难溶
折光度n
D
2.11
危险性
NFPA 704
0
3
0
 
相关物质
其他阴离子 铬酸锰
钨酸锰
其他阳离子 钼酸钾
钼酸亚铁
相关化学品 三氧化钼
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

钼酸锰是一种无机化合物,化学式为MnMoO4。α-MnMoO4晶体属于单斜晶系[2]它在低温具有反铁磁性[3]在630℃发生相变,转化为具有NiWO4结构的H型MnMoO4[4]

制备

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钼酸锰可以由氯化锰钼酸钠于180℃的水热条件下反应,产物用水和乙醇清洗、干燥,得到MnMoO4微晶。[5]

MnCl2 + Na2MoO4 → MnMoO4↓ + 2 NaCl

450~550℃下烧结锰的氧化物(如MnOMnO2等)和三氧化钼的混合物,可以制得钼酸锰。[4]

应用

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MnMoO4有着快速的基于赝电容英语Pseudocapacitance氧化还原反应[6],可用作水溶液中双电层电容器的活性电极材料[2]氢析出催化剂[6]

参考文献

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  1. ^ Clearfield, A.; Moini, A.; Rudolf, P. R. Preparation and Structure of Manganese Molybdates. Inorganic Chemistry. 1985-12-01, 24 (26): 4606–4609. doi:10.1021/ic00220a035. 
  2. ^ 2.0 2.1 Synthesis and Characterization of Manganese Molybdate for Symmetric Capacitor Applications (PDF Download Available). ResearchGate. [2017-03-10]. (原始内容存档于2019-04-21) (英语). 
  3. ^ Ehrenberg, H.; Schwarz, B.; Weitzel, H. Magnetic phase diagrams of -MnMoO4. Journal of Magnetism and Magnetic Materials. 2006-10-01, 305 (1): 57–62 [2017-08-21]. doi:10.1016/j.jmmm.2005.11.027. (原始内容存档于2019-07-01). 
  4. ^ 4.0 4.1 朱文祥. 无机化合物制备手册. 化学工业出版社, 2006. pp 263-264 【Ⅵ-111】 钼酸锰. ISBN 7-5025-8537-0
  5. ^ 许家胜, 张杰, 贺祥珂. 钼酸锰微晶的水热合成与光催化性能研究页面存档备份,存于互联网档案馆)[J]. 化学研究与应用, 2014(6):914-917.
  6. ^ 6.0 6.1 Yan, Xiaodong; Tian, Lihong; Murowchick, James; Chen, Xiaobo. Partially amorphized MnMoO4for highly efficient energy storage and the hydrogen evolution reaction. J. Mater. Chem. A. 2016-03-01, 4 (10): 3683–3688 [2017-08-21]. ISSN 2050-7496. doi:10.1039/c6ta00744a. (原始内容存档于2019-07-01) (英语). 

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钼酸锰
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