查看“︁二碘化镅”︁的源代码

{{Chembox
<!-- Images -->|ImageFile=Strontium-bromide-xtal-2011-Mercury-3D-balls.png|ImageSize=|ImageAlt=<!-- Names -->|IUPACName=Americium(II) iodide|OtherNames=碘化镅(II)|Section1={{Chembox Identifiers
| CASNo = 38150-40-2
| CASNo_Ref = {{cascite|correct|CAS}}
| PubChem = 
| SMILES = [I-].[I-].[Am+2]
| StdInChI=1S/Am.2HI/h;2*1H/q+2;;/p-2
| StdInChIKey=BEKYCNWSCXLCSQ-UHFFFAOYSA-L
  }}|Section2={{Chembox Properties
| Am=1|I=2
| Appearance = 黑色固体
| Density = 6.60 g/cm<sup>3</sup>
| MeltingPt = 
| BoilingPt = 
| Solubility = 
  }}|Section3={{Chembox Hazards
| MainHazards =
| FlashPt =
| AutoignitionPt =
  }}|Section4={{Chembox Structure
| CrystalStruct= [[单斜晶系]]
| SpaceGroup=C2/c (No. 15)
| LattConst_a= 768 [[皮米|pm]]
|LattConst_b = 831 pm
|LattConst_c= 793 pm
|LattConst_beta = 98.46°
}}}}

'''二碘化镅'''，或'''碘化镅(II)'''（[[IUPAC]]：Americium(II) iodide），是一种[[无机化合物]]，[[化学式]]为AmI<sub>2</sub>。<ref name=":0">{{cite journal |last1=Baybarz |first1=R. D. |last2=Asprey |first2=L. B. |last3=Strouse |first3=C. E. |last4=Fukushima |first4=E. |year=1972 |title=Divalent Americium: The Crystal Structure and Magnetic Susceptibility of AmI<sub>2</sub> |journal=Journal of Inorganic and Nuclear Chemistry |volume=34 |issue=11 |pages=3427–3431 |doi=10.1016/0022-1902(72)80237-9}}</ref>它是一种黑色固体，以与[[溴化锶]]相同的图案结晶。<ref>{{Greenwood&Earnshaw2nd}}</ref>

== 制备 ==
二碘化镅可由金属镅和[[碘化汞]]的在[[氩气]]中的化学反应制得：<ref name=":0" />

: <chem>Am + HgI2 -> AmI2 + Hg</chem>

== 性质 ==
二碘化镅是一种[[离子化合物]]，由Am<sup>2+</sup>和I<sup>-</sup>[[离子]]组成。二碘化镅的[[晶体结构]]与[[二碘化铕]]同构，同属[[单斜晶系]]，[[晶格参数]]为a=7.677±0.003 Å, b=8.311±0.004 Å，c=7.925±0.003 Å，β=98.46±0.03°。<ref name=":0" />

== 参考资料 ==
{{reflist}}

{{镅化合物}}
{{碘化物}}

{{Inorganic-compound-stub}}

[[Category:镅化合物]]
[[Category:碘化物]]
[[Category:锕系金属卤化物]]