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Revision as of 16:28, 10 December 2010 editBeetstra (talk | contribs)Edit filter managers, Administrators172,031 edits Script assisted update of identifiers from ChemSpider, CommonChemistry and FDA for the Chem/Drugbox validation project - Updated: InChI1->InChI StdInChI StdInChIKey.← Previous edit Latest revision as of 03:00, 19 February 2024 edit undoMaxim Masiutin (talk | contribs)Extended confirmed users, IP block exemptions, Pending changes reviewers30,772 edits ISBN formatted. Altered title. | Use this tool. Report bugs. | #UCB_Gadget 
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{{chembox {{chembox
| verifiedrevid = 401635842
| Name = Titanium(IV) fluoride
| ImageFile = Titanium(IV)_fluoride.jpg | Name = Titanium(IV) fluoride
| ImageFile = Titanium(IV)-fluoride-from-xtal-column-3D-bs-17.png
<!-- | ImageSize = 200px -->
| ImageName = Titanium(IV) fluoride | ImageSize = 160px
| ImageName = Titanium(IV) fluoride
| IUPACName = Titanium(IV) fluoride
| OtherNames = titanium tetrafluoride | OtherNames = Titanium tetrafluoride
| Section1 = {{Chembox Identifiers |Section1={{Chembox Identifiers
| ChemSpiderID = 7988529
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 7988529
| InChI = 1/4FH.Ti/h4*1H;/q;;;;+4/p-4 | InChI = 1/4FH.Ti/h4*1H;/q;;;;+4/p-4
| InChIKey = XROWMBWRMNHXMF-XBHQNQODAM | InChIKey = XROWMBWRMNHXMF-XBHQNQODAM
| SMILES = .... | SMILES = F(F)(F)F
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/4FH.Ti/h4*1H;/q;;;;+4/p-4 | StdInChI = 1S/4FH.Ti/h4*1H;/q;;;;+4/p-4
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = XROWMBWRMNHXMF-UHFFFAOYSA-J | StdInChIKey = XROWMBWRMNHXMF-UHFFFAOYSA-J
| CASNo = 7783-63-3 | CASNo = 7783-63-3
| CASNo_Ref = {{cascite|correct|CAS}}
| PubChem = 9812778
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = T08RW8YRG1
| PubChem = 121824
| EINECS = 232-017-6
}} }}
| Section2 = {{Chembox Properties |Section2={{Chembox Properties
| Formula = TiF<sub>4</sub> | Formula = TiF<sub>4</sub>
| MolarMass = 123.861 g/mol | MolarMass = 123.861 g/mol
| Appearance = white powder<br /> ] | Appearance = white powder
| Density = 2.798 g/cm<sup>3</sup> | Density = 2.798 g/cm<sup>3</sup>
| MeltingPt = 377 °C | MeltingPtC = 377
| BoilingPt = | BoilingPt = sublimes
}}
| Solubility =
|Section7={{Chembox Hazards
}}
| GHS_ref=<ref>{{cite web |title=Titanium tetrafluoride |url=https://pubchem.ncbi.nlm.nih.gov/compound/121824#section=Safety-and-Hazards |website=pubchem.ncbi.nlm.nih.gov |access-date=12 December 2021 |language=en}}</ref>
| Section3 = {{Chembox Structure
| GHSPictograms = {{GHS05}}{{GHS07}}
| CrystalStruct =
| GHSSignalWord = Danger
}}
| HPhrases = {{H-phrases|302|312|314|332}}
| Section7 = {{Chembox Hazards
| PPhrases = {{P-phrases|260|261|264|270|271|280|301+312|301+330+331|302+352|303+361+353|304+312|304+340|305+351+338|310|312|322|330|363|405}}
| EUClass = not listed
| NFPA-H = 3 | NFPA-H = 3
| NFPA-F = 0 | NFPA-F = 0
| NFPA-R = 0 | NFPA-R = 0
}}
| NFPA-O =
|Section8={{Chembox Related
}}
| OtherAnions = ] <br/> ] <br/> ]
| OtherCompounds = ]
}}
}} }}


'''Titanium(IV) fluoride''' (]]) is an ] ]. '''Titanium(IV) fluoride''' is the ] with the ] ]]. It is a white ] solid. In contrast to the other tetrahalides of titanium, it adopts a polymeric structure.<ref>{{Greenwood&Earnshaw2nd}}</ref> In common with the other tetrahalides, TiF<sub>4</sub> is a strong ].

==Preparation and structure==
The traditional method involves treatment of ] with excess ]:<ref name=KO>{{cite book |doi=10.1002/0471238961.2009200113051908.a01 |chapter=Fluorine Compounds, Inorganic, Titanium |title=Kirk-Othmer Encyclopedia of Chemical Technology |year=2000 |last1=Meshri |first1=Dayal T. |isbn=978-0-471-48494-3 }}</ref>
:TiCl<sub>4</sub> + 4 HF → TiF<sub>4</sub> + 4 HCl
Purification is by sublimation, which involves reversible ] of the polymeric structure.<ref>Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 200.</ref>
X-ray crystallography reveals that the Ti centres are octahedral, but conjoined in an unusual columnar structure.<ref>{{cite journal|author1=Bialowons, H.|author2=Mueller, M.|author3=Mueller, B.G.|title=Titantetrafluorid - Eine Überraschend einfache Kolumnarstruktur|journal=Zeitschrift für Anorganische und Allgemeine Chemie|year=1995|volume= 621|issue=7 |pages=1227–1231|doi=10.1002/zaac.19956210720}}</ref>

==Reactions==
<sup>2-</sup> dianion|left]]
TiF<sub>4</sub> forms adducts with many ligands. One example is the complex ''cis''-TiF<sub>4</sub>(CH<sub>3</sub>CN)<sub>2</sub>, which is formed by treatment with ].<ref>{{cite journal|title=A survey of Titanium Fluoride Complexes, Their Preparation, Reactivity, and Applications|author1=Nikiforov, Grigory B.|author2=Roesky, Herbert W.|author3=Koley, Debasis|journal=Coordination Chemistry Reviews |year=2014|volume=258-259|pages=16–57|doi=10.1016/j.ccr.2013.09.002}}</ref> It is also used as a reagent in the preparation of ]s.<ref>{{cite book |doi=10.1002/047084289X.rn00123.pub2 |chapter=Titanium(IV) Fluoride |title=Encyclopedia of Reagents for Organic Synthesis |year=2014 |last1=Blizzard |first1=T. A. |last2=Sikervar |first2=Vikas |pages=1–5 |isbn=978-0-470-84289-8 }}</ref> With fluoride, the cluster <sup>2-</sup> forms. It has an adamantane-like Ti<sub>4</sub>F<sub>6</sub> core.<ref>{{cite journal |doi=10.1021/ic9009338 |title=Poly&#91;perfluorotitanate(IV)&#93; Salts of &#91;H<sub>3</sub>O&#93;<sup>+</sup>, Cs<sup>+</sup>, &#91;Me<sub>4</sub>N&#93;<sup>+</sup>, and &#91;Ph<sub>4</sub>P&#93;<sup>+</sup> and about the Existence of an Isolated &#91;Ti<sub>2</sub>F<sub>9</sub>&#93;<sup>−</sup> Anion in the Solid State |year=2009 |last1=Mazej |first1=Zoran |last2=Goreshnik |first2=Evgeny |journal=Inorganic Chemistry |volume=48 |issue=14 |pages=6918–6923 |pmid=19545141 }}</ref>

Related to its ]ity, TiF<sub>4</sub> forms a variety of hexafluorides also called hexafluorotitanates. Hexafluorotitanic acid has been used commercially to clean metal surfaces. These salts are stable at pH<4 in the presence of ], otherwise they hydrolyze to give ]s.<ref name=KO/>


==References== ==References==
{{Unreferenced|date =September 2007}}
{{reflist}} {{reflist}}


{{Titanium compounds}} {{Titanium compounds}}
{{fluorides}}


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