Hexafluoreto de telúrio: diferenças entre revisões
Conteúdo apagado Conteúdo adicionado
Criado ao traduzir a página "Tellurium hexafluoride" |
Correção da legenda na caixa e referências -- mais referências podem ser adicionadas futuramente. |
||
Linha 1:
{{chembox
| Watchedfields = changed
| verifiedrevid = 405721787
| Name = Hexafluoreto de telúrio
| ImageFileL1 = Tellurium-hexafluoride-dimensions-2D.png
| ImageNameL1 = Structure and dimensions of the molecule
| ImageFileR1 = Tellurium-hexafluoride-from-xtal-1992-3D-balls.png
| ImageNameR1 = Ball-and-stick model of the molelcule
| IUPACName =
|Section1={{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|??}}
| CASNo = 7783-80-4
| SMILES = F[Te](F)(F)(F)(F)F
| InChI = 1S/F6Te/c1-7(2,3,4,5)6
| PubChem = 24559
| EINECS = 232-027-0
}}
|Section2={{Chembox Properties
| Formula = TeF<sub>6</sub>
| MolarMass = 241.590 g/mol
| Appearance = gás incolor
| Odor = odor repulsivo
| Density = 0.0106 g/cm<sup>3</sup> (-10 °C) <br> 4.006 g/cm<sup>3</sup> (-191 °C)
| MeltingPtC = −38.9
| MeltingPt_ref = <ref name="CRC_HANDBOOK">''[[CRC Handbook of Chemistry and Physics]]'', 90. Auflage, CRC Press, Boca Raton, Florida, 2009, {{ISBN|978-1-4200-9084-0}}, Section 4, ''Physical Constants of Inorganic Compounds'', p. 4-95.</ref>
| BoilingPtC = −37.6
| BoilingPt_ref = <ref name="CRC_HANDBOOK"/>
| RefractIndex = 1.0009
| VaporPressure = >1 atm (20°C)<ref name=PGCH/>
| MagSus = −66.0·10<sup>−6</sup> cm<sup>3</sup>/mol
}}
|Section3={{Chembox Structure
| CrystalStruct = [[Ortorrômbica]], [[Pearson symbol|oP28]]
| SpaceGroup = Pnma, No. 62
| Coordination = octaédrica (''O<sub>h</sub>'')
| Dipole = 0
}}
|Section4={{Chembox Thermochemistry
| HeatCapacity = 117.6 J/(mol K)
| DeltaHf = -1318 kJ/mol
}}
|Section5={{Chembox Hazards
| IDLH = 1 ppm<ref name=PGCH>{{PGCH|0588}}</ref>
| REL = TWA 0.02 ppm (0.2 mg/m<sup>3</sup>)<ref name=PGCH/>
| PEL = TWA 0.02 ppm (0.2 mg/m<sup>3</sup>)<ref name=PGCH/>
| LCLo = 5 ppm (rat, 4 hr)<br/>5 ppm (mouse, 1 hr)<br/>5 ppm (rabbit, 4 hr)<br/>5 ppm (guinea pig, 4 hr)<ref>{{IDLH|7783804|Tellurium hexafluoride (as Te)}}</ref>
}}
}}
O '''hexafluoreto de telúrio''' é um [[composto químico]] de [[telúrio]] e [[flúor]] com a fórmula química TeF<sub>6</sub> . É um gás incolor e altamente [[Toxicidade|tóxico]], com um cheiro extremamente desagradável.
Linha 13 ⟶ 61:
TeF<sub>6</sub> + 6 H<sub>2</sub>O -> Te(OH)<sub>6</sub> + 6 HF
==
*W.C. Cooper; ''Tellurium'', Van Nostrand Reinhold Company, New York, USA, 1971.
*K.W. Bagnall; ''The Chemistry of Selenium, Tellurium and Polonium'', Elsevier Publishing, New York, 1966.
*R.T. Sanderson; ''Chemical Periodicity'', Reinhold, New York, USA, 1960.
*N.N. Greenwood and A. Earnshaw; ''Chemistry of the Elements'', 2nd edition, Butterworth, UK, 1997.
*[[F. Albert Cotton|F. A. Cotton]], G. Wilkinson, C.A. Murillo, and M. Bochmann; ''Advanced Inorganic Chemistry'', John Wiley & Sons, 1999.
*G.J. Hathaway, N.H. Proctor; ''Chemical Hazards of the Workplace'', 5th edition, Wiley-Interscience, New Jersey, 2004.
== Links externos ==
* [http://www.webelements.com/compounds/tellurium/tellurium_hexafluoride.html Elementos da Web]
* [https://web.archive.org/web/20070311092142/http://www.osha.gov/SLTC/healthguidelines/telluriumhexafluoride/ OSHA]
* [https://www.cdc.gov/niosh/npg/npgd0588.html CDC - Guia de bolso do NIOSH para riscos químicos]
[[Categoria:Hexafluoretos]]
[[Categoria:Compostos de telúrio]]
| |||