Iodine pentafluoride 2332188 223029522 2008-07-02T07:08:38Z Yikrazuul 5113168 + Interlink {{Chembox new | ImageFile = Iodine-pentafluoride-gas-2D-dimensions.png | ImageSize = 140px | ImageName = Iodine pentafluoride | ImageFile1 = Iodine-pentafluoride-3D-vdW.png | ImageSize1 = 140px | ImageName1 = Iodine pentafluoride | IUPACName = iodine(V) fluoride | OtherNames = iodine pentafluoride | Section1 = {{Chembox Identifiers | SMILES = | CASNo = 7783-66-6 }} | Section2 = {{Chembox Properties | Formula = IF<sub>5</sub> | MolarMass = 221.89 g mol<sup>−1</sup> | Appearance = pale yellow liquid | Density = 3.250 g cm<sup>−3</sup> liquid | Solubility = | MeltingPt = 9.43°C (282.58 K) | BoilingPt = 97.85°C (371.00 K) | pKa = | pKb = | Viscosity = }} | Section3 = {{Chembox Structure | MolShape = [[Crystal system|tetragonal-pyramidal]]<ref name=Durbank> {{cite journal | title = Crystal structure of iodine pentafluoride at -80.deg. | author = R. D. Durbank, G. R. Jones | journal = [[Inorganic Chemistry]] | year = 1974 | volume = 13 | issue = 5 | pages = 421–439 | doi = 10.1021/ic50135a012 }}</ref> | Coordination = tetragonal-pyramidal | CrystalStruct = [[monoclinic]]<br /> [[Crystallographic point group|point group]] C2/c | Dipole = }} | Section7 = {{Chembox Hazards | ExternalMSDS = [http://www.solvaychemicals.us/static/wma/pdf/5/1/8/1/IF5.pdf External MSDS] | MainHazards = toxic, oxidizer, corrosive }} | Section8 = {{Chembox Related | OtherCpds = [[Iodine heptafluoride]],<br /> [[Chlorine pentafluoride]],<br />[[Bromine pentafluoride]] }} }} '''Iodine pentafluoride''', IF<sub>5</sub>, is a [[fluoride]] of [[iodine]]. It is a colourless or yellow liquid with a density of 3250 kg m<sup>−3</sup>. It was first synthesized by [[Henri Moissan]] in 1891 by burning solid [[iodine]] in [[fluorine]] gas.<ref> {{cite journal | title = Nouvelles Recherches sur le Fluor | author = M. H. Moissan | journal = [[Annales de chimie et de physique]] | year = 1891 | volume = 6 | issue = | pages = 224–282 | url= http://gallica.bnf.fr/ark:/12148/bpt6k34894x }}</ref> This [[exothermic]] [[chemical reaction|reaction]] is still used to produce iodine pentafluoride, although the reaction conditions have been improved.<ref>{{cite journal | title = "Das Jod-7-fluorid" (The iodine-7-fluoride) | author = [[Otto Ruff]] , Keim R. | journal = Zeitschrift für Anorganische un Allgemeine Chemie | year = 1930 | volume = 193 | issue = 1/2 | pages = 176–186 | doi = 10.1002/zaac.19301930117 }}</ref><ref>{{cite journal | title = Fluorierung von Verbindungen des Kohlenstoffs (Benzol und Tetrachlormethan mit Jod-5-fluorid, sowie Tetrachlormethan mit Fluor) | author = Ruff O., Keim R. | journal = Zeitschrift für Anorganische un Allgemeine Chemie | year = 1931 | volume = 201 | issue = 1 | pages = 245–258 | doi = 10.1002/zaac.19312010122 }}</ref> :I<sub>2</sub> + 5 F<sub>2</sub> → 2 IF<sub>5</sub> ==Chemistry== Iodine pentafluoride is a strong [[fluorination]] agent and is highly [[oxidative]]. It reacts vigorously with water forming [[hydrofluoric acid]]. Primary amines react with iodine pentafluoride forming nitriles after hydrolysis with water.<ref>{{cite journal | title = Rearrangement of Amides with Iodine Pentafluoride | author = T. E. Stevens | journal = [[Journal of Organic Chemistry]] | year = 1966 | volume = 31 | issue = 6 | pages = 2025–2026 | doi = 10.1021/jo01344a539 }}</ref> :R-CH<sub>2</sub>-NH<sub>2</sub> → R-CN ==References== <div class="references-small"> <references/> *{{cite journal | title = The Vibrational Spectra and Structures of Iodine Pentafluoride and Heptafluoride | author = R. C. Lord, M. A. Lynch, W. C. Schumb, and E. J. Slowinski | journal = [[Journal of the American Chemical Society]] | year = 1950 | volume = 72 | issue = 1 | pages = 522–527 | doi = 10.1021/ja01157a135 }} *{{cite journal | title = Iodine Pentafluoride, Freezing and Boiling Point, Heat of Vaporization and Vapor Pressure-Temperature Relations | author = Max T. Rogers, John L. Speirs, H. Bradford Thompson, and Morton B. Panish | journal = [[Journal of the American Chemical Society]] | year = 1954 | volume = 76 | issue = 19 | pages = 4843–4844 | doi = 10.1021/ja01648a022 }} *{{cite journal | title = Dielectric Constants of Liquid Chlorine Trifluoride and Iodine Pentafluoride | author = Max T. Rogers, H. Bradford Thompson, and John L. Speirs | journal = [[Journal of the American Chemical Society]] | year = 1954 | volume = 76 | issue = 19 | pages = 4841–4843 | doi = 10.1021/ja01648a021 }} *{{cite journal | title = The Halogen Fluorides. | author = Harold Simmons Booth, John Turner Pinkston, , Jr. | journal = [[Chemical Reviews]] | year = 1947 | volume = 41 | issue = 3 | pages = 421–439 | doi = 10.1021/cr60130a001 }}</div> ==External links== *[http://www.npi.gov.au/database/substance-info/profiles/44.html National Pollutant Inventory - fluoride and compounds fact sheet] *[http://www.webelements.com/webelements/compounds/text/I/F5I1-7783666.html web elements listing] [[Category:Fluorides]] [[Category:Iodine compounds|Pentafluoride]] [[Category:Interhalogen compounds]] {{inorganic-compound-stub}} [[de:Iodpentafluorid]] [[ja:五フッ化ヨウ素]] [[zh:五氟化碘]]