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Revision as of 19:40, 23 July 2011 editAmirobot (talk | contribs)56,602 editsm r2.7.1) (robot Adding: cs:Fluorid olovnatý← Previous edit		Latest revision as of 00:09, 14 November 2024 edit undoBattyBot (talk | contribs)Bots1,933,773 editsm Fixed CS1 maint: extra punctuation and general fixesTag: AWB
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	{{chembox		{{chembox
			| Verifiedfields = changed
⚫	| verifiedrevid = 408773495
			| Watchedfields = changed
⚫	| Name = Lead(II) fluoride
		⚫	| verifiedrevid = 441050744
⚫	| ImageFile = Fluorid olovnatý.PNG
		⚫	| Name = Lead(II) fluoride
⚫	| ImageFile2 =CaF2 polyhedra.png
		⚫	| ImageFile = Fluorid olovnatý.PNG
⚫	| ImageName =
		⚫	| ImageFile2 =CaF2 polyhedra.png
⚫	| OtherNames = Lead difluoride <br> plumbous fluoride
		⚫	| ImageName =
⚫	| Section1 = {{Chembox Identifiers
		⚫	| OtherNames = Lead difluoride <br/> plumbous fluoride
⚫	| CASNo = 7783-46-2
		⚫	|Section1={{Chembox Identifiers
⚫	| CASNo_Ref = {{cascite}}
		⚫	| CASNo = 7783-46-2
		⚫	| CASNo_Ref = {{cascite|correct|CAS}}
			| UNII_Ref = {{fdacite|correct|FDA}}
			| UNII = 291824BBS4
			| PubChem = 124123
			| ChemSpiderID = 22955
			| SMILES = FF
			| StdInChI = 1S/2FH.Pb/h2*1H;/q;;+2/p-2
			| StdInChIKey = FPHIOHCCQGUGKU-UHFFFAOYSA-L
	}}		}}
	| Section2 = {{Chembox Properties		|Section2={{Chembox Properties
	| Formula = PbF<sub>2</sub>		| Formula = PbF<sub>2</sub>
	| MolarMass = 245.20 g/mol		| MolarMass = 245.20 g/mol
	| Appearance = white powder		| Appearance = white powder
			| Odor = odorless
	| Density = 8.445 g/cm<sup>3</sup> (orthorhombic) <br> 7.750 g/cm<sup>3</sup> (cubic)		| Density = 8.445 g/cm<sup>3</sup> (orthorhombic) <br/> 7.750 g/cm<sup>3</sup> (cubic)
	| Solubility = 0.64 g/100 mL (20 °C) <ref>Pradyot Patnaik. ''Handbook of Inorganic Chemicals''. McGraw-Hill, 2002, ISBN 0070494398</ref>
			| Solubility = 0.057 g/100 mL (0 °C) <br/> 0.0671 g/100 mL (20 °C)<ref></ref>
	| SolubilityProduct = 7.12 x 10<sup>-7</sup>		| SolubilityProduct = 2.05 x 10<sup>−8</sup> (20 °C)
	| SolubleOther = soluble in ]; <br> insoluble in ] and ]		| SolubleOther = soluble in ] and ]; <br/> insoluble in ] and ]
	| MeltingPt = 824°C
	| BoilingPt = 1293°C		| MeltingPtC = 824
			| BoilingPtC = 1293
			| MagSus = &minus;-58.1·10<sup>−6</sup> cm<sup>3</sup>/mol
	}}		}}
	| Section3 = {{Chembox Structure		|Section3={{Chembox Structure
	| CrystalStruct = ] (cubic), ]		| CrystalStruct = ] (cubic), ]
	| SpaceGroup = Fm<u style="text-decoration:overline">3</u>m, No. 225 }}		| SpaceGroup = Fm<u style="text-decoration:overline">3</u>m, No. 225 }}
	| Section7 = {{Chembox Hazards		|Section7={{Chembox Hazards
		⚫	| LD50 = 3031 mg/kg (oral, rat)
	| EUClass =
⚫	| LD50 = 3000 mg/kg (oral, rat)
	}}		}}
	| Section8 = {{Chembox Related		|Section8={{Chembox Related
	| OtherAnions = ]<br/>]<br/>]		| OtherCations = ]<br/>]<br/>]<br/>]
			| OtherAnions = ]<br/>]<br/>]
	}}		}}
	}}		}}
			'''Lead(II) fluoride''' is the ] with the formula ]]. It is a white solid. The compound is ], at ambient temperatures it exists in ] (PbCl<sub>2</sub> type) form, while at high temperatures it is ] (]).<ref>{{cite journal | last1=Haines | first1=J. | last2=Léger | first2=J. M. | last3=Schulte | first3=O. | title=High-pressure isosymmetric phase transition in orthorhombic lead fluoride | journal=Physical Review B | publisher=American Physical Society (APS) | volume=57 | issue=13 | date=1998-04-01 | issn=0163-1829 | doi=10.1103/physrevb.57.7551 | pages=7551–7555| bibcode=1998PhRvB..57.7551H }}</ref>
	'''Lead(II) fluoride''' (]]) is a ] that is an odorless white solid.
	Conditions/substances to avoid are: strong ]s.
⚫	==Uses==
	Lead(II) fluoride is used:
	* in low melting ]es
	* in glass coatings to reflect ] rays
	* in ] for television-tube screens
	* as a catalyst for the manufacture of ]
	==Preparation==		==Preparation==
	Lead(II) fluoride can be prepared by several methods. It is obtained by treating ] or ] with ], followed by evaporation of the solution:		Lead(II) fluoride can be prepared by treating ] or ] with ]:<ref name=Ullmann/>
	: Pb(OH)<sub>2</sub> + 2 HF → PbF<sub>2</sub> + 2 H<sub>2</sub>O		: Pb(OH)<sub>2</sub> + 2 HF → PbF<sub>2</sub> + 2 H<sub>2</sub>O
	Alternatively, it is precipitated by adding hydrofluoric acid to a lead(II) salt solution, or by adding ] to a ] solution.		Alternatively, it is precipitated by adding hydrofluoric acid to a lead(II) salt solution, or by adding a fluoride salt to a lead salt, such as ] to a ] solution,<ref>Arnold Hollemann, Egon Wiberg, 101st ed., de Gruyter 1995 Berlin; {{ISBN|3-11-012641-9}}</ref>
	: 2 KF + Pb(NO<sub>3</sub>)<sub>2</sub> → PbF<sub>2</sub> + 2 KNO<sub>3</sub>		: 2 KF + Pb(NO<sub>3</sub>)<sub>2</sub> → PbF<sub>2</sub> + 2 KNO<sub>3</sub>
			or ] to a ] solution.
			: 2 NaF + Pb(CH<sub>3</sub>COO)<sub>2</sub> → PbF<sub>2</sub> + 2 NaCH<sub>3</sub>COO
			It appears as the very rare mineral ].<ref name=Mindat>{{Cite web|url=https://www.mindat.org/min-40179.html|title = Fluorocronite}}</ref><ref name=IMA>{{Cite web|url=https://www.ima-mineralogy.org/Minlist.htm|title=List of Minerals|date=21 March 2011}}</ref>
		⚫	==Uses==
			]
			Lead(II) fluoride is used in low melting ]es, in glass coatings to reflect ] rays, in ] for television-tube screens, and as a catalyst for the manufacture of ].<ref name=Ullmann>{{Ullmann|first=Dodd S.|last=Carr|title=Lead Compounds|doi=10.1002/14356007.a15_249}}</ref> The ] experiment uses {{chem|Pb|F|2}} scintillators in conjunction with silicon ]s.<ref name="TDR">{{Cite report |last1=Grange |first1=J. |display-authors=1 |collaboration=Muon g−2 Collaboration |last2=Guarino |first2=V. |last3=Winter |first3=P. |last4=Wood |first4=K. |last5=Zhao |first5=H. |last6=Carey |first6=R. M. |last7=Gastler |first7=D. |last8=Hazen |first8=E. |last9=Kinnaird |first9=N. |date=Jan 27, 2015 |title=Muon (''g''−2) Technical Design Report |arxiv=1501.06858 |bibcode=2015arXiv150106858G |id=FERMILAB-FN-0992-E |department=]}} </ref>
			It also serves as a ] in high-temperature ], as ] is relatively ].<ref>{{cite journal|url=https://www.nature.com/articles/s41598-023-31045-5.pdf|journal=Scientific Reports|title=Growth and characterization of thorium‑doped calcium fluoride single crystals|first1=Kjeld|last1=Beeks|first2=Tomas|last2=Sikorsky|first3=Veronika|last3=Rosecker|first4=Martin|last4=Pressler|first5=Fabian|last5=Schaden|first6=David|last6=Werban|first7=Niyusha|last7=Hosseini|first8=Lukas|last8=Rudischer|first9=Felix|last9=Schneider|first10=Patrick|last10=Berwian|first11=Jochen|last11=Friedrich|first12=Dieter|last12=Hainz|first13=Jan|last13=Welch|first14=Johannes&nbsp;H.|last14=Sterba|first15=Georgy|last15=Kazakov|first16=Thorsten|last16=Schumm|year=2023|volume=13|issue=1 |doi=10.1038/s41598-023-31045-5|pages=3897–|pmid=36890210 |pmc=9995343 |bibcode=2023NatSR..13.3897B }}</ref>
	==References==		==References==
	{{reflist}}		{{reflist}}
	{{Lead compounds}}		{{Lead compounds}}
			{{fluorine compounds}}
	]		]
	]		]
	]		]
	]		]
			]
			]
	{{inorganic-compound-stub}}
			]
	]
	]
	]
	]
	]