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Revision as of 15:31, 17 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: StdInChI StdInChIKey.← Previous edit		Latest revision as of 16:23, 21 December 2023 edit undoPraseodymium-141 (talk | contribs)Autopatrolled, Extended confirmed users, New page reviewers22,365 editsNo edit summaryTag: 2017 wikitext editor
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	{{chembox		{{chembox
			| verifiedrevid = 402871120
	| Name = Vanadium(IV) fluoride		| Name = Vanadium(IV) fluoride
	| ImageFileL1 = VF4structure1.jpg
	| ImageFileR1 = VF4structure2.jpg		| ImageFileL1 = VF4structure1.jpg
			| ImageSizeL1 = 100px
	| ImageName = Vanadium(IV) fluoride
	| OtherNames = vanadium tetrafluoride		| ImageNameL1 = 3D model of vanadium(IV) fluoride
			| ImageFileR1 = VF4structure2.jpg
⚫	| Section1 = {{Chembox Identifiers
			| ImageSizeR1 = 100px
⚫	| ChemSpiderID = 11226730
			| ImageNameR1 = 3D model of vanadium(IV) fluoride
			| IUPACName = vanadium tetrafluoride
		⚫	|Section1={{Chembox Identifiers
			| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
		⚫	| ChemSpiderID = 11226730
	| InChI = 1/4FH.V/h4*1H;/q;;;;+4/p-4		| InChI = 1/4FH.V/h4*1H;/q;;;;+4/p-4
	| InChIKey = JTWLHYPUICYOLE-XBHQNQODAC		| InChIKey = JTWLHYPUICYOLE-XBHQNQODAC
	| SMILES = ....		| SMILES = ....
			| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
	| StdInChI = 1S/4FH.V/h4*1H;/q;;;;+4/p-4		| StdInChI = 1S/4FH.V/h4*1H;/q;;;;+4/p-4
			| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
	| StdInChIKey = JTWLHYPUICYOLE-UHFFFAOYSA-J		| StdInChIKey = JTWLHYPUICYOLE-UHFFFAOYSA-J
	| CASNo = 10049-16-8		| CASNo = 10049-16-8
			| UNII_Ref = {{fdacite|correct|FDA}}
⚫	| PubChem = 165641
			| UNII = M372NC1A3B
		⚫	| PubChem = 44717705
			| EINECS = 233-171-7
			| UNNumber = UN2923
	}}		}}
	| Section2 = {{Chembox Properties		|Section2={{Chembox Properties
			| V=1 | F=4
	| Formula = VF<sub>4</sub>
		⚫	| Appearance = Lime green powder, ]<ref name=crc />
	| MolarMass = 126.9351 g/mol
			| Odor = Odorless
⚫	| Appearance = lime green powder
			| Density = 3.15 g/cm<sup>3</sup> (20 °C)<ref name=crc /><br> 2.975 g/cm<sup>3</sup> (23 °C)<ref name=hpic>{{cite book|last = Kwasnik|first = W.|editor-last = Brauer|editor-first = Georg|year = 1963|title = Handbook of Preparative Inorganic Chemistry|url = https://archive.org/details/handbookpreparat01brau_517|url-access = limited|publisher = Academic Press|place = London|edition = UK|pages = –253}}</ref>
	| Density = 2.975 g/cm³, solid
			| Solubility = Very soluble<ref name=crc />
	| Solubility = decomposes
			| SolubleOther = Soluble in ], ]<br> Very slightly soluble in ], ]s, ]<ref name=hpic />
	| MeltingPt = 325 °C
			| MeltingPtC = 325
	| BoilingPt = decomposes
			| MeltingPt_notes = <br> at 760 mmHg decomposes<ref name=crc>{{CRC90}}</ref>
			| BoilingPt = Sublimes<ref name=crc />
	}}		}}
	| Section3 = {{Chembox Structure		|Section3={{Chembox Structure
	| CrystalStruct = ], ]		| CrystalStruct = ], ]
	| SpaceGroup = P2<sub>1</sub>/c, No. 14		| SpaceGroup = P2<sub>1</sub>/c, No. 14
	}}		}}
	| Section7 = {{Chembox Hazards		|Section4={{Chembox Thermochemistry
			| DeltaHf = −1412 kJ/mol<ref name=chemister>{{cite web|last = Anatolievich|first = Kiper Ruslan|website=chemister.ru|url = http://chemister.ru/Database/properties-en.php?dbid=1&id=408|title = vanadium(IV) fluoride|access-date = 2014-06-25}}</ref>
	| EUClass = not listed
			| DeltaGf = −1312 kJ/mol<ref name=chemister />
			| Entropy = 126 J/mol·K<ref name=chemister />
			}}
			|Section7={{Chembox Hazards
			| GHSPictograms = {{GHS05}} {{GHS06}}
			| GHS_ref = <ref name=alfa>{{cite web|title = Vanadium(IV) fluoride, 95%|url = http://www.alfa.com/en/catalog/11543|website=alfa.com|publisher = Alfa Aesar|access-date = 2014-06-25}}</ref>
			| GHSSignalWord = Danger
			| HPhrases = {{H-phrases|300|330|314}}
			| PPhrases = {{P-phrases|260|301+310|303+361+353|304+340|305+351+338|320|330|405|501}}
			| SkinHazard = Causes burns
			| EyeHazard = Causes serious damage
	}}		}}
	}}		}}
	'''Vanadium(IV) fluoride''' (]]) is a ] of ] and ]. VF<sub>4</sub> can be prepared by reacting VCl<sub>4</sub> with HF in CCl<sub>3</sub>F at 25 °C. VF<sub>4</sub> decomposes at approximately 150°C to form VF<sub>3</sub>.<br />
			'''Vanadium(IV) fluoride''' (]]) is an ] of ] and ]. It is ] yellow-brown solid that is very ].<ref name=hpic /> Unlike the corresponding ], the tetrafluoride is not volatile because it adopts a polymeric structure.<ref>{{Cotton&Wilkinson6th|page=716}}</ref> It decomposes before melting.
⚫	The structure of VF<sub>4</sub> is related to that of SnF<sub>4</sub> and has corner sharing VF<sub>6</sub> octahedra. It is ].<ref> ''Vanadium Tetrafluoride'', Becker S., Muller B. G., Angew. Chem. Intnl. Ed. Engl. 29 (1990) No. 4 406</ref>
			==Preparation and reactions==
	==General references==
			VF<sub>4</sub> can be prepared by treating VCl<sub>4</sub> with ]:
⚫	*
			:VCl<sub>4</sub> + 4 HF → VF<sub>4</sub> + 4 HCl
	*{{Cotton&Wilkinson6th}}
			It was first prepared in this way.<ref>Otto Ruff, Herbert Lickfett "Vanadinfluoride" Chemische Berichte 1911, vol. 44, pages 2539–2549. {{doi|10.1002/cber.19110440379}}</ref>
			It decomposes at 325&nbsp;°C, undergoing disproportionation to the ] and ]s:<ref name=hpic />
			:2 VF<sub>4</sub> → VF<sub>3</sub> + VF<sub>5</sub>
			==Structure==
		⚫	The structure of VF<sub>4</sub> is related to that of ]. Each vanadium centre is octahedral, surrounded by six fluoride ligands. Four of the fluoride centers ] to adjacent vanadium centres.<ref>Becker S., Muller B. G. ''Vanadium Tetrafluoride'', Angew. Chem. Intnl. Ed. Engl. 1990, vol. 29, page 406</ref>
			{{Gallery |mode=packed |height=200 |align=center
			|File:Struktur von Vanadium(IV)-fluorid.png|{{Color box|#808080|border=darkgray}} ]<sup>4+</sup>; {{Color box|#00FF00|border=darkgray}} ]<sup>−</sup>
			}}
	==References==		==References==
	{{reflist}}		{{reflist}}
			== External links ==
		⚫	*
	{{Vanadium compounds}}		{{Vanadium compounds}}
			{{fluorine compounds}}
	]		]
	]		]
	]		]
	{{inorganic-compound-stub}}
	]
	]
	]