Chemistry:Selenium iodide
From HandWiki
| Names | |
|---|---|
| Other names
Diselenium diiodide
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| Identifiers | |
3D model (JSmol)
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| Properties | |
| Se2I2[1] | |
| Molar mass | 411.7289 g/mol[2] |
| Appearance | Gray crystals |
| Melting point | 70 °C (158 °F; 343 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Selenium iodide is a binary inorganic compound of selenium and iodine with the chemical formula Se2I2.[3] The compound decomposes in water.
Synthesis
Direct interaction of pure substances:[4]
- [math]\ce{ 2Se + I2 -> Se2I2 }[/math]
Physical properties
Selenium iodide forms gray crystals.
Chemical properties
The compound decomposes in and reacts with water:[5]
- [math]\ce{ Se2I2 -> 2Se + I2 }[/math]
- [math]\ce{ 2Se2I2 + 3H2O -> 3Se + H2SeO3 + 4HI }[/math]
References
- ↑ Devillanova, Francesco A. (2007) (in en). Handbook of Chalcogen Chemistry: New Perspectives in Sulfur, Selenium and Tellurium. Royal Society of Chemistry. p. 463. ISBN 978-0-85404-366-8. https://www.google.ru/books/edition/Handbook_of_Chalcogen_Chemistry/IvGnUAaSqOsC?hl=en&gbpv=1&dq=Selenium+iodide+Se2I2&pg=PA463&printsec=frontcover. Retrieved 9 November 2021.
- ↑ "Se2I2 (Selenium Iodide) Molar Mass" (in en). ChemicalAid. https://en.intl.chemicalaid.com/tools/molarmass.php?formula=Se2I2.
- ↑ Gopal, M.; Milne, J. (21 August 2010). "ChemInform Abstract: Spectroscopic Evidence for Selenium Iodides in CS2 Solution: Se3I2, Se2I2, and SeI2.". ChemInform 24 (4): no. doi:10.1002/chin.199304009. https://www.researchgate.net/publication/264678298. Retrieved 9 November 2021.
- ↑ (in en) Handbook on Rare Earth Metals and Alloys: Properties, Extraction, Preparation and Applications. ASIA PACIFIC BUSINESS PRESS Inc.. 1 April 2009. p. 321. ISBN 978-81-7833-120-1. https://books.google.com/books?id=QS8CAgAAQBAJ&dq=Selenium+iodide+Se2I2&pg=PA320. Retrieved 15 November 2021.
- ↑ RAO, M. R. ASWATHA NARAYANA (24 July 1940). "Selenium Iodide". University of Mysore. https://www.ias.ac.in/article/fulltext/seca/012/04/0410-0415.
| 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 | |||
 |
