| 词条 | Iodine trifluoride |
| 释义 |
| Watchedfields = changed | verifiedrevid = 446239261 | ImageFile = Iodine trifluoride.svg | ImageSize = 150px | ImageName = Structural formula | ImageFile1 = Iodine-trifluoride-3D-spacefill.png | ImageSize1 = 160 | ImageAlt1 = Iodine trifluoride molecule | IUPACName = Iodine trifluoride | OtherNames = iodine(III) fluoride |Section1={{Chembox Identifiers | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID = 10329096 | InChI = 1/F3I/c1-4(2)3 | InChIKey = VJUJMLSNVYZCDT-UHFFFAOYAM | StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChI = 1S/F3I/c1-4(2)3 | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey = VJUJMLSNVYZCDT-UHFFFAOYSA-N | CASNo_Ref = {{cascite|correct|??}} | CASNo = 22520-96-3 | PubChem = 13932268 | SMILES = FI(F)F }} |Section2={{Chembox Properties | Formula = IF3 | MolarMass = 183.9 g/mol | Appearance = yellow solid | Density = | MeltingPt = decomposes above −28 °C | BoilingPt = | Solubility = }} |Section3={{Chembox Hazards | MainHazards = | FlashPt = | AutoignitionPt = }} |Section4={{Chembox Related | OtherAnions = iodine trichloride | OtherCations = bromine trifluoride | OtherCompounds = chlorine trifluoride iodine pentafluoride }} }} Iodine trifluoride is an interhalogen compound with the chemical formula IF3. It is a yellow solid which decomposes above −28 °C. It can be synthesised from the elements, but care must be taken to avoid the formation of IF5. ReactionsF2 reacts with I2 to yield IF3 at −45 °C in CCl3F. Alternatively, at low temperatures, the fluorination reaction I2 + 3XeF2 → 2IF3 + 3Xe can be used. Not much is known about iodine trifluoride as it is so unstable. Chemical propertiesIodine trifluoride has five electron pairs, and like chlorine trifluoride is T-shaped as predicted by VSEPR Theory.[1] References1. ^{{Greenwood&Earnshaw2nd}} {{Iodine compounds}} 3 : Fluorides|Interhalogen compounds|Iodine compounds |
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