Chemistry:Caesium triiodide

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Caesium triiodide
Caesium-triiodide-xtal-3D-SF.png
Sample of caesium triiodide.jpg
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 625-701-4
Properties
CsI3
Molar mass 513.61886 g·mol−1
Appearance purple[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Caesium triiodide is an inorganic compound, with the chemical formula of CsI3. It can be prepared by slow volatilization and crystallization of caesium iodide and iodine in aqueous ethanol solution.[2] It can form precipitates with diazobenzene.[3]

It undergoes a phase transition from Pnma to P-3c1 under high pressure, and its structure changes from layered to 3D.[4]

References

  1. Ronald Rich (22 December 2007). Inorganic Reactions in Water. Springer. pp. 472. ISBN 978-3-540-73962-3. https://books.google.com/books?id=Dv_F03cdKPUC&pg=PA472. Retrieved 2022-09-12. 
  2. Richard M. Bozorth, Linus Pauling (Jun 1925). "The Crystal Structures of Cesium Tri-Iodide and Cesium Dibromo-Iodide" (in en). Journal of the American Chemical Society 47 (6): 1561–1571. doi:10.1021/ja01683a009. ISSN 0002-7863. https://pubs.acs.org/doi/abs/10.1021/ja01683a009. Retrieved 2022-09-09. 
  3. H. F. Halliwell, S. C. Nyburg (1960). "891. The reaction of the benzenediazonium ion with certain anions in aqueous acid solution" (in en). Journal of the Chemical Society (Resumed): 4603–4608. doi:10.1039/jr9600004603. ISSN 0368-1769. http://xlink.rsc.org/?DOI=jr9600004603. Retrieved 2022-09-09. 
  4. Tomasz Porȩba, Stefano Racioppi, Gaston Garbarino, Wolfgang Morgenroth, Mohamed Mezouar (2022-07-18). "Investigating the Structural Symmetrization of CsI 3 at High Pressures through Combined X-ray Diffraction Experiments and Theoretical Analysis" (in en). Inorganic Chemistry 61 (28): 10977–10985. doi:10.1021/acs.inorgchem.2c01690. ISSN 0020-1669. PMID 35792580. https://pubs.acs.org/doi/10.1021/acs.inorgchem.2c01690. Retrieved 2022-09-09. 
HI He
LiI BeI2 BI3 CI4 NI3 I2O4,
I2O5,
I4O9
IF,
IF3,
IF5,
IF7
Ne
NaI MgI2 AlI3 SiI4 PI3,
P2I4
S ICl,
ICl3
Ar
KI CaI2 Sc TiI4 VI3 CrI3 MnI2 FeI2 CoI2 NiI2 CuI ZnI2 Ga2I6 GeI2,
GeI4
AsI3 Se IBr Kr
RbI SrI2 YI3 ZrI4 NbI5 Mo Tc Ru Rh Pd AgI CdI2 InI3 SnI4,
SnI2
SbI3 TeI4 I Xe
CsI BaI2   HfI4 TaI5 W Re Os Ir Pt AuI Hg2I2,
HgI2
TlI PbI2 BiI3 Po AtI Rn
Fr RaI2   Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
La Ce Pr Nd Pm SmI2 Eu Gd TbI3 Dy Ho Er Tm Yb Lu
Ac ThI4 Pa UI3,
UI4
Np Pu Am Cm Bk Cf EsI3 Fm Md No Lr