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Indium monoiodide is a binary inorganic compound of indium metal and iodine with the chemical formula InI.[1][2]
Preparation
Indium(I) iodide can be obtained by reacting indium with iodine or indium(III) iodide in vacuum at 300 °C to 400 °C or with mercury(II) iodide at 350 °C.[3]
- 2In + I2 → 2InI[4]
- 2In + InI3 → 3InI
- 2In + HgI2 → 2InI + Hg
Physical properties
Indium(I) iodide forms a brown-red diamagnetic solid. Its melt is black. The compound has an orthorhombic crystal structure in the space group Cmcm (space group no. 63) with the lattice parameters a = 475 pm, b = 1276 pm, c = 491 pm.[5]
Chemical properties
Decomposes slowly with hot water:
- 2InI + H2O → InOH + HI
Reacts with water in the presence of oxygen:[6]
- 2InI + O + 3H2O → 2In(OH)2 + 2HI
References
- ^ "Indium(I) Iodide". American Elements. Retrieved 29 March 2024.
- ^ "Indium(I) iodide". Sigma Aldrich. Retrieved 29 March 2024.
- ^ Gasanov, A. A.; Lobachev, E. A.; Kuznetsov, S. V.; Fedorov, P. P. (1 November 2015). "Indium monoiodide: Preparation and deep purification". Russian Journal of Inorganic Chemistry. 60 (11): 1333–1336. doi:10.1134/S0036023615110066. ISSN 1531-8613. Retrieved 29 March 2024.
- ^ Rieke, Reuben D. (30 November 2016). Chemical Synthesis Using Highly Reactive Metals. John Wiley & Sons. p. 242. ISBN 978-1-118-92914-8. Retrieved 29 March 2024.
- ^ Fedorov, P P; Popov, A I; Simoneaux, R L (31 March 2017). "Indium iodides". Russian Chemical Reviews. 86 (3): 240–268. Bibcode:2017RuCRv..86..240F. doi:10.1070/RCR4609.
- ^ Satya, Prakash (2013). Advanced Chemistry of Rare Elements. S. Chand Publishing. p. 244. ISBN 978-81-219-4254-6. Retrieved 29 March 2024.
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