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亚锰酸镧

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亚锰酸镧
别名 锰(III)酸镧
氧化锰(III)镧
识别
CAS号 12031-12-8  checkY
SMILES
 
  • [La+3].[O-][Mn]([O-])[O-]
性质
化学式 LaMnO3
摩尔质量 241.84 g·mol⁻¹
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

亚锰酸镧是一种无机化合物化学式为LaMnO3,简写LMO。亚锰酸镧具有钙钛矿结构,由中心原子和八面體构成。立方晶系的钙钛矿结构由于受到氧八面体强烈的姜-泰勒效应,被扭曲为正交晶系的结构。[1]

制备

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亚锰酸镧可由对应氧化物或碳酸盐的高温反应制备。[2]

将硝酸镧和硝酸锰混合,蒸去溶剂后高温反应,也能得到亚锰酸镧。[3]

参见

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参考文献

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  1. ^ S. Satpathy; et al. Electronic Structure of the Perovskite Oxides: La1−xCaxMnO3. Physical Review Letters. 1996, 76: 960 [2019-01-07]. doi:10.1103/PhysRevLett.76.960. (原始内容存档于2017-06-10). 
  2. ^ Bockris, John O'M.; Otagawa, Takaaki. Mechanism of oxygen evolution on perovskites. The Journal of Physical Chemistry. 2002, 87 (15): 2960–2971. ISSN 0022-3654. doi:10.1021/j100238a048. 
  3. ^ Liu, Yuxi; Dai, Hongxing; Du, Yucheng; Deng, Jiguang; Zhang, Lei; Zhao, Zhenxuan; Au, Chak Tong. Controlled preparation and high catalytic performance of three-dimensionally ordered macroporous LaMnO3 with nanovoid skeletons for the combustion of toluene. Journal of Catalysis. 2012, 287: 149–160. ISSN 0021-9517. doi:10.1016/j.jcat.2011.12.015. 
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