| 词条 | Chromium pentafluoride |
| 释义 |
| ImageFile = CrF5cain.tif | ImageSize = 464px | Name = Chromium pentafluoride | OtherNames = Chromium fluoride, Chromium(V) fluoride, Pentafluorochromium, Pentafluoridochromium | IUPACName = Chromium(V) fluoride |Section1={{Chembox Identifiers | CASNo = 14884-42-5 | PubChem = 5460742 | ChemSpiderID = 4574207 | SMILES = F[Cr](F)(F)(F)F | InChI =1S/Cr.5FH/h;5*1H/q+5;;;;;/p-5 | InChIKey = OMKYWARVLGERCK-UHFFFAOYSA-I |Section2={{Chembox Properties | Cr=1 | F=5 | Formula = CrF5 | MolarMass = 291.71 g/mol | Appearance = red crystals[1] | Density = 2.89 g/cm3[1] | MeltingPtC = 34 | MeltingPt_ref = [1] | BoilingPtC = 117 | BoilingPt_ref = [1] | Solubility = | SolubleOther = }} |Section3={{Chembox Structure | CrystalStruct = Orthorhombic[1] }} }}Chromium pentafluoride is the inorganic compound with the chemical formula CrF5.[2] It is a red volatile solid that melts at 30 °C, which easily hydrolyses to chromium(III) and chromium(VI).[3] It has the same crystal structure as vanadium pentafluoride.[4] It is the highest known chromium fluoride, since the hypothetical chromium hexafluoride has not yet been synthesized.[5] Chromium pentafluoride is one of the products of the action of fluorine on a mixture of potassium and chromic chlorides.[6] In terms of its structure, the compound is a one-dimensional coordination polymer. Each Cr(V) center has octahedral molecular geometry.[7] See also
References1. ^1 2 3 4 {{cite book |last=Perry|first=Dale L.|date=2011|title=Handbook of Inorganic Compounds, Second Edition|page=125|url=https://books.google.com/books?id=SFD30BvPBhoC|location=Boca Raton, Florida|publisher=CRC Press|isbn=978-1-43981462-8|accessdate=2014-01-10}} {{Chromium compounds}}{{fluorine compounds}}{{inorganic-compound-stub}}2. ^{{cite book | title = Chromium(VI) Handbook | year = 2004 | publisher = CRC Press | isbn = 9780203487969 |editor1=Jacques Guertin |editor2=James A. Jacobs |editor3=Cynthia P. Avakian | page = 30}} 3. ^{{cite book | title = Text Book Of Inorganic Chemistry | author = Amit Aora | page = 649 | publisher = Discovery Publishing House | year = 2005}} 4. ^{{cite book | title = Advances in Inorganic Chemistry | volume = 27 | author = A. G. Sharpe | publisher = Academic Press | year = 1983 | isbn = 9780080578767 | page = 103}} 5. ^{{cite journal |last1=Riedel |first1=Sebastian |last2=Kaupp |first2=Martin |year=2009 |title=The highest oxidation states of the transition metal elements |journal=Coordination Chemistry Reviews |volume=253 |issue=5–6 |doi=10.1016/j.ccr.2008.07.014 |pages=606–624 |url=http://144.206.159.178/ft/243/588116/14862785.pdf }}{{dead link|date=August 2017 |bot=InternetArchiveBot |fix-attempted=yes }} 6. ^{{cite book | title=Fluorine Chemistry | author = A. G. Sharpe | editor = J.H. Simons | publisher = Elsevier |date=December 2012 | page = 24 | isbn = 9780323145435 | volume=2 }} 7. ^"The structures of CrF5 and CrF5*SbF5" Shorafa, H.; Seppelt, K. Zeitschrift für Anorganische und Allgemeine Chemie 2009, vol. 635, p112-p114. 3 : Chromium compounds|Fluorides|Metal halides |
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