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碘化锰

碘化锰
IUPAC名
碘化锰(II)
识别
CAS号 7790-33-2(无水)  checkY
13446-37-2(四水)  checkY
PubChem 82250
ChemSpider 74227
SMILES
 
  • [Mn+2].[I-].[I-]
InChI
 
  • 1S/2HI.Mn/h2*1H;/q;;+2/p-2
InChIKey QWYFOIJABGVEFP-NUQVWONBAL
EINECS 232-201-6
性质
化学式 MnI2
摩尔质量 308.747 g/mol g·mol⁻¹
外观 粉色晶体(四水)[1]
密度 5.01 g/cm3
2.82 g·cm−3(四水)[1]
熔点 701°C (anhydrous)
80 °C (tetrahydrate)
沸点 1033 °C
溶解性 易溶于水[2]
结构
晶体结构 Rhombohedral, hP3
空间群 P-3m1, No. 164
配位几何 octahedral
危险性
警示术语 R:R20/21/22
安全术语 S:S36[3]
欧盟分类 有害 (Xn)
NFPA 704
0
1
1
 
闪点 non-flammable
相关物质
其他阴离子 氟化锰
氯化锰
溴化锰
其他阳离子 碘化亚铁
碘化钴
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

碘化锰是一种粉色固体,可溶于水,化学式为MnI2

碘化锰可以用作粉色涂料,或者作为Mn2+或I的来源。它通常在照明行业中使用。[4]

制备

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无水的碘化锰(II)可以通过乙醚中直接化合得到[2]

Mn + I2Et2O→ MnI2

其一水合物则利用氢碘酸碳酸锰的反应即可制备。

配合物

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碘化锰可以形成[MnI4]2-配阴离子。[2]

参考资料

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  1. ^ 1.0 1.1 J. E. Moore, J. E. Abola, R. A. Butera. Structure of manganese(II) iodide tetrahydrate, MnI2.4H2O. Acta Crystallographica Section C Crystal Structure Communications. 1985-09-15, 41 (9): 1284–1286 [2021-11-26]. doi:10.1107/S0108270185007466. (原始内容存档于2021-11-26). 
  2. ^ 2.0 2.1 2.2 《无机化学丛书》第九卷 锰分族 铁系 铂系.申泮文等. 北京:科学出版社,2011. ISBN 978-7-03-030545-9. P19. 碘化锰(II)
  3. ^ 223646 Manganese(II) iodide 98%. Sigma-Aldrich. [2011-08-05]. 
  4. ^ Cepanec, Ivica. Synthesis of Biaryls. Elseveir. 2004: 104 [2008-06-18]. ISBN 0-08-044412-1. 
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碘化锰
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