هگزافلوراید اورانیوم: تفاوت میان نسخهها
محتوای حذفشده محتوای افزودهشده
جز ربات: مرتبسازی ردهها؛ زیباسازی |
جز ربات: افزودن نگارخانهٔ آزاد به مقاله (کد) + تمیزکاری (۱.۱) |
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خط ۵:
| ImageFile = Uranium-hexafluoride-2D-V2.svg
| ImageSize = 125px
| IUPACName = Uranium hexafluoride
| Section1 = {{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
خط ۲۲:
| CASNo_Ref = {{cascite|correct|CAS}}
| RTECS = YR4720000
| UNNumber = 2978 (<1% <sup>235</sup>U)
| Section2 = {{Chembox Properties
| Formula = UF<sub>6</sub>
خط ۳۰:
| Density = 5.09 g/cm<sup>3</sup>, solid
| Solubility = reacts
| SolubleOther = soluble in [[کلروفرم]], [[کربن تتراکلرید]], liquid [[کلر]] and [[برم]]
| MeltingPt = 64.05 °C (triple point)
| BoilingPt = 56.5 °C (sublimes)
خط ۳۹:
| Coordination = octahedral (''O<sub>h</sub>'')
| Dipole = 0
| Section4 = {{Chembox Thermochemistry
| DeltaHf = – solid: −(2197,7 ± 1,8) [[ژول]]·mol<sup>−1</sup><ref name="Enthalpie">Gerald K. Johnson: "The Enthalpy of Formation of Uranium Hexafluoride", ''[[The Journal of Chemical Thermodynamics]]'', '''1979''', ''11 (5)'', p. 483–490; {{DOI|10.1016/0021-9614(79)90126-5}}.</ref>
خط ۴۵:
| Entropy = – solid: −430,4 ± 1,5 J·K<sup>−1</sup>·mol<sup>−1</sup><ref name="Enthalpie"/>
– gaseous: −280,4 ± 1,5 J·K<sup>−1</sup>·mol<sup>−1</sup><ref name="Enthalpie"/>
| Section7 = {{Chembox Hazards
| ExternalMSDS = [http://www.inchem.org/documents/icsc/icsc/eics1250.htm ICSC 1250]
| EUIndex = 092-002-00-3
| EUClass = Very toxic ('''T+''')
| RPhrases = {{R26/28}}, {{R33}}, {{R51/53}}
| SPhrases = {{S1/2}}, {{S20/21}}, {{S45}}, {{S61}}
| FlashPt = Non-flammable
| Section8 = {{Chembox Related
| OtherAnions = [[Uranium hexachloride]]
| OtherCations = [[Neptunium hexafluoride]]
| OtherFunctn = [[Uranium(III) fluoride]]
| Function = uranium fluorides
}}
[[پرونده:UF6 square.jpg|thumb]]
خط ۶۶:
این ترکیب را از [[کیک زرد]] میسازند.
== نگارخانه ==
<gallery>
Image:Uranium-hexafluoride-unit-cell-3D-balls.png|<!--Ball-and-stick model of the unit cell of uranium hexafluoride<ref name="UF6_1973">J. C. Taylor, P. W. Wilson, J. W. Kelly: „The structures of fluorides. I. Deviations from ideal symmetry in the structure of crystalline UF<sub>6</sub>: a neutron diffraction analysis“, ''[[Acta Cryst.]]'', '''1973''', ''B29'', p. 7–12; {{DOI|10.1107/S0567740873001895}}.</ref>-->
Image:Uranium hexafluoride dimensions.svg|<!--Bond lengths and angles of gaseous uranium hexafluoride<ref name="UF6_1968">Masao Kimura, Werner Schomaker, Darwin W. Smith, Bernard Weinstock: „Electron-Diffraction Investigation of the Hexafluorides of Tungsten, Osmium, Iridium, Uranium, Neptunium, and Plutonium“, ''[[J. Chem. Phys.]]'', '''1968''', ''48'' (8), p. 4001–4012; {{DOI|10.1063/1.1669727}}.</ref>-->
</gallery>
== منابع ==
{{پانویس}}
{{شیمی-خرد}}
{{فناوری هستهای}}
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[[رده:فلوریدها]]
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