查看“︁锡化镁”︁的源代码

{{Chembox
| Name = 
| NameEn = Magnesium stannide
| ImageFile = Fluorite-unit-cell-3D-balls.png
|  ImageSize = 
|  ImageAlt = 
| IUPACName = 
| IUPACNameZh = 
| OtherNames = 
| Section1 = {{Chembox Identifiers
|   CASNo = 1313-08-2
|   PubChem = 
|   SMILES =  }}
| Section2 = {{Chembox Properties
|   Formula = Mg<sub>2</sub>Sn
|   MolarMass = 167.21
|   Appearance = 浅蓝色晶体
|   Density = 3.5 g·cm<sup>−3</sup>
|   MeltingPt = 771 °C
|   BoilingPt = 
|   Solubility =  }}
| Section3 = {{Chembox Hazards
|   MainHazards = 
|   FlashPt = 
|   Autoignition =  }}
}}
'''锡化镁'''是一种二元[[金属间化合物]]，化学式为Mg<sub>2</sub>Sn。

==制备==
锡化镁可由相应化学计量比的单质共熔得到：
::<math>\mathsf{ 2Mg + Sn \ \xrightarrow{771^oC}\ Mg_2Sn }</math>
== 性质 ==
锡化镁是浅蓝色的晶体，属[[立方晶系]]，空间群Fm{{overline|3}}m，晶胞参数''a'' = 0.67594 nm, Z = 4，具有[[氟化钙|CaF<sub>2</sub>]]结构。
<ref name='Лякишев'>{{книга
 |заглавие      = Диаграммы состояния двойных металлических систем |ответственный = Под ред. Н. П. Лякишева |место = М.
 |издательство  = Машиностроение |год = 2001 |том = 3 Книга 1 |страниц = 972 |isbn = 5-217-02843-2
}}</ref><ref>{{книга
 |автор         = Georg H. Grosch, Klaus-Jürgen Range
 |заглавие      = Studies on AB{{sub|2}}-type intermetallic compounds, I. Mg{{sub|2}}Ge and Mg{{sub|2}}Sn: single-crystal structure refinement and ab initio calculations
 |ссылка        = 
 |язык          = 
 |издание       = Journal of Alloys and Compounds
 |тип           = 
 |год           = 1996
 |том           = 235
 |номер         = 2
 |страницы      = 250–255
 |doi           = 10.1016/0925-8388(95)02058-6
 |issn          = 
}}</ref>另有文献报道其属于[[三方晶系]]，晶胞参数''a'' = 0.47496 nm, α = 60°, Z = 1。{{cn}}

它在600~1200 °C和2.5~5.5 GPa下，会出现[[六方晶系]]的相变。

它在770.5 °C熔化。<ref name='Лякишев'/>

==参考文献==
{{reflist}}

{{镁化合物}}

[[Category:镁化合物]]
[[Category:锡化物]]