Indium(III) bromide
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| Names | |
|---|---|
| IUPAC name
Indium(III) bromide
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| Identifiers | |
13465-09-3  |
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| EC Number | 236-692-8 |
| PubChem | 26046 |
| Properties | |
| InBr3 | |
| Molar mass | 354.530 g/cm3 |
| Appearance | hygroscopic yellow-white monoclinic crystals |
| Density | 4.74 g/cm3 |
| Melting point | 420 °C (788 °F; 693 K) |
| 414 g/100 mL at 20 °C | |
| Structure | |
| Monoclinic, mS16 | |
| C12/m1, No. 12 | |
| Thermochemistry | |
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Std enthalpy of
formation (ΔfH |
-428.9 kJ·mol−1 |
| Vapor pressure | {{{value}}} |
| Related compounds | |
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Other cations
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indium(III) fluoride indium(III) chloride indium(III) iodide |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
Indium(III) bromide, (indium tribromide), InBr3, is a chemical compound of indium and bromine. It is a Lewis acid and has been used in organic synthesis.[2]
Structure
It has the same crystal structure as aluminium trichloride, with 6 coordinate indium atoms.[3] When molten it is dimeric, In2Br6, and it is predominantly dimeric in the gas phase. The dimer has bridging bromine atoms with a structure similar to dimeric aluminium trichloride Al2Cl6.[3]
Preparation and reactions
It is formed by the reaction of indium and bromine.[4] InBr3 forms complexes with ligands, L, InBr3L, InBr3L2, InBr3L3.[3]
Reaction with indium metal forms lower valent indium bromides, InBr2, In4Br7, In2Br3, In5Br7, In7Br9, indium(I) bromide.[5][6][7][8] In refluxing xylene solution InBr3 and In metal react to form InBr2.[9]
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 "Indium: Inorganic chemistry", D.G Tuck, Encyclopedia of Inorganic Chemistry Editor R Bruce King (1994) John Wiley and Sons ISBN 0-471-93620-0
- ↑ Egon Wiberg, Arnold Frederick Holleman (2001) Inorganic Chemistry, Elsevier ISBN 0123526515
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
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