四臭化ゲルマニウムのソースを表示

{{Chembox
<!-- Images -->
| ImageFile      = GeBr4.png
| ImageSize      = 
| ImageAlt       = 
<!-- Names -->
| IUPACName      = tetrabromogermane
| OtherNames     = 
<!-- Sections -->
| Section1       = {{Chembox Identifiers
| CASNo          = 13450-92-5
| CASNo_Ref = {{Cascite|correct|CAS}}
| ChemSpiderID = 24230
| EINECS =  236-612-1
| PubChem        = 26011
| StdInChI=1S/Br4Ge/c1-5(2,3)4
| StdInChIKey = VJHDVMPJLLGYBL-UHFFFAOYSA-N
| SMILES = [Ge](Br)(Br)(Br)Br
  }}
| Section2       = {{Chembox Properties
|Ge=1|Br=4
| Formula        = 
| MolarMass      = 
| Appearance     = 無色液体<ref name=Dennis />
| Density        = 
| MeltingPt      = 21℃<ref name=Dennis>{{cite journal | last1=Dennis | first1=L. M. | last2=Hance | first2=F. E. | title=Germanium. III. Germanium Tetrabromide and Germanium Tetrachloride | journal=Journal of the American Chemical Society | publisher=American Chemical Society (ACS) | volume=44 | issue=2 | year=1922 | issn=0002-7863 | doi=10.1021/ja01423a008 | pages=299–307}}</ref>
| BoilingPt      = 
| Solubility     = 
  }}
| Section3       = {{Chembox Hazards
| GHSPictograms = {{GHS05}}
| GHSSignalWord = 危険
| HPhrases = {{H-phrases|314}}
| PPhrases = {{P-phrases|260|264|280|301+330+331|303+361+353|304+340|305+351+338|310|321|363|405|501}}
| MainHazards    = 
| FlashPt        = 
| AutoignitionPt = 
  }}
| Section4 = {{Chembox Structure
| Structure_ref =<ref>{{cite journal | last1=Köhler | first1=J. | last2=Okudera | first2=Η. | last3=Simon | first3=A. | title=Crystal structure of germanium tetrabromide, β-GeBr4, low temperature modification | journal=Zeitschrift für Kristallographie - New Crystal Structures | publisher=Walter de Gruyter GmbH | volume=220 | issue=1–4 | year=2005 | issn=2197-4578 | doi=10.1524/ncrs.2005.220.14.554 | page=554|doi-access=free}}</ref>
| CrystalStruct = α-[[立方晶系]] ([[ヨウ化スズ(IV)]]型)<br>β-[[単斜晶系]] ([[臭化スズ(IV)]]型)
| SpaceGroup =
| PointGroup = 
| LattConst_a = 
| LattConst_b = 
| LattConst_c = 
| LattConst_alpha = 
| LattConst_beta = 
| LattConst_gamma = 
| LattConst_ref =
| LattConst_Comment = 
| UnitCellVolume = 
| UnitCellFormulas = 
| Coordination = 
| MolShape = 
| OrbitalHybridisation = 
| Dipole = 
  }}
| Section5       = {{Chembox Thermochemistry
| DeltaHf        = 83.3 kcal/mol
 }}
| Section9       = {{Chembox Related
| OtherAnions    = [[四フッ化ゲルマニウム]]<br>[[四塩化ゲルマニウム]]<br>[[四ヨウ化ゲルマニウム]]
| OtherCations   = [[四臭化炭素]]<br>[[四臭化ケイ素]]<br>[[四臭化スズ(IV)]]
| OtherFunction  = 
| OtherFunction_label = 
| OtherCompounds = 
  }}
}}
'''四臭化ゲルマニウム'''(Germanium tetrabromide)は、化学式GeBr<sub>4</sub>の[[無機化合物]]である。固体の[[ゲルマニウム]]と気体の[[臭素]]の反応で形成する<ref name=Dennis /><ref>{{cite journal | last1=Laubengayer | first1=A. W. | last2=Brandt | first2=P. L. | title=The Preparation of Germanium Tetrabromide and Germanium Tetraiodide | journal=Journal of the American Chemical Society | publisher=American Chemical Society (ACS) | volume=54 | issue=2 | year=1932 | issn=0002-7863 | doi=10.1021/ja01341a502 | pages=621–623}}</ref>。
:<chem>Ge + 2Br2 -> GeBr4</chem>

この反応で、[[生成熱]]は83.3 kcal/molである<ref>{{cite journal | last1=Evans | first1=D. F. | last2=Richards | first2=R. E. | title=233. The heats of formation of germanium tetrabromide and germanium tetraiodide | journal=Journal of the Chemical Society (Resumed) | publisher=Royal Society of Chemistry (RSC) | year=1952 | issn=0368-1769 | doi=10.1039/jr9520001292 | page=1292}}</ref>。

25℃では液体で、[[インターロック化合物|インターロック液体構造]]となる<ref>{{cite journal | last1=Swamy | first1=K. N. | last2=Bhuiyan | first2=L. B. | title=The Reference Interaction Site Model and the Structure of Liquid Germanium Tetrabromide | journal=Physics and Chemistry of Liquids | publisher=Informa UK Limited | volume=9 | issue=2 | year=1980 | issn=0031-9104 | doi=10.1080/00319108008084774 | pages=169–174}}</ref>。室温から-60℃までは[[立方晶系]]のα型、より低い温度では[[単斜晶系]]のβ型となる。

==出典==
{{reflist}}

{{ゲルマニウムの化合物}}
{{デフォルトソート:ししゆうかけるまにうむ}}
[[Category:ゲルマニウムの化合物]]
[[Category:臭化物]]