Caesium triiodide explained

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.[1] It can form precipitates with diazobenzene.[2]

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

Notes and References

  1. Journal of the American Chemical Society. 47. 6. en. 0002-7863. Jun 1925. 1561–1571. 10.1021/ja01683a009. The Crystal Structures of Cesium Tri-Iodide and Cesium Dibromo-Iodide . 2022-09-09. Richard M. Bozorth, Linus Pauling. 2022-09-09. https://web.archive.org/web/20220909080113/https://pubs.acs.org/doi/abs/10.1021/ja01683a009. live.
  2. Journal of the Chemical Society (Resumed). en. 0368-1769. 1960. 4603–4608. 10.1039/jr9600004603. 891. The reaction of the benzenediazonium ion with certain anions in aqueous acid solution. 2022-09-09. H. F. Halliwell, S. C. Nyburg.
  3. Inorganic Chemistry. 61. 28. en. 0020-1669. 2022-07-18. 10977–10985. 10.1021/acs.inorgchem.2c01690. Investigating the Structural Symmetrization of CsI 3 at High Pressures through Combined X-ray Diffraction Experiments and Theoretical Analysis. 2022-09-09. Tomasz Porȩba, Stefano Racioppi, Gaston Garbarino, Wolfgang Morgenroth, Mohamed Mezouar. 35792580 . 250313558 . 2022-09-09. https://web.archive.org/web/20220909080852/https://pubs.acs.org/doi/10.1021/acs.inorgchem.2c01690. live.

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