查看“︁四氟化锫”︁的源代码

{{Chembox
|OtherNames=氟化锫(IV)
|ImageFile=Kristallstruktur Uran(IV)-fluorid.png
|Section3={{Chembox Structure
| CrystalStruct= [[单斜晶系]]
| SpaceGroup= C2/c (No. 15)
| LattConst_a= 1247 [[皮米|pm]]
|LattConst_b= 1058 pm
|LattConst_c= 817 pm
}}
|Section1={{Chembox Identifiers
| CASNo=22422-27-1
|SMILES=[F-].[F-].[F-].[F-].[Bk+4]
}}
|Section2={{Chembox Properties
| Appearance= 浅绿色固体<ref name="HOWI_1969">{{Holleman-Wiberg|Auflage=102 |Startseite=1969 |Endseite= }}</ref>
| Bk=1|F=4
|Density=
|MeltingPt=
|BoilingPt=
|Solubility=}}
|Section8={{Chembox Related
|OtherCpds=[[三氟化锫]]
|OtherCations=[[四氟化锔]]<br />[[四氟化锎]]}}
}}

'''四氟化锫'''是[[锫]]的一种[[氟化物]]，[[化学式]] BkF<sub>4</sub>，其中锫的[[氧化态]]为 +4。

== 制备==
四氟化锫可以由锫和氟气在 400&nbsp;°C 下直接反应而成。<ref name="Keenan"/>
:<chem>Bk + 2 F2 -> BkF4</chem>

== 性质==
四氟化锫是一种[[离子化合物]]，由 Bk<sup>4+</sup>和 F<sup>−</sup>离子组成。它是[[单斜晶系]]的，[[空间群]] C2/c (No. 15)，[[晶格参数]] ''a''&nbsp;=&nbsp;1247&nbsp;[[皮米|pm]]、''b''&nbsp;=&nbsp;1058&nbsp;pm 、''c''&nbsp;=&nbsp;817&nbsp;pm 和β&nbsp;=&nbsp;125.9°。<ref name="Gmelin">''[[Gmelins Handbuch der anorganischen Chemie]]'', System Nr.&nbsp;71, Transurane, Teil&nbsp;C, S.&nbsp;106.</ref>它的[[晶体结构]]和[[四氟化铀]]同构。<ref name="Keenan">L. B. Asprey, T. K. Keenan: ''The Preparation of Berkelium Tetrafluoride and its Lattice Parameters'', in: ''[[Inorg. Nucl. Chem. Lett.]]'', '''1968''', ''4''&nbsp;(9), S.&nbsp;537–541 ({{DOI|10.1016/0020-1650(68)80028-5}}).</ref><ref>Thomas K. Keenan, Larned B. Asprey: ''Lattice Constants of Actinide Tetrafluorides Including Berkelium'', in: ''[[Inorg. Chem.]]'', '''1969''', ''8''&nbsp;(2), S.&nbsp;235–238 ({{DOI|10.1021/ic50072a011}}).</ref><ref>L. B. Asprey, R. G. Haire: „On the Actinide Tetrafluoride Lattice Parameters“, in: ''[[Inorg. Nucl. Chem. Lett.]]'', '''1973''', ''9''&nbsp;(11), S.&nbsp;1121–1128 ({{DOI|10.1016/0020-1650(73)80017-0}}).</ref><ref>R. A. Penneman, R. R. Ryan, A. Rosenzweig: ''Structural systematics in actinide fluoride complexes'', in: ''[[Structure & Bonding]]'', '''1973''', ''13'', S.&nbsp;1–52 <!--{{DOI|10.1007/3-540-06125-8}} ?-->.</ref><ref>H. O. Haug, R. D. Baybarz: ''Lattice Parameters of the Actinide Tetrafluorides UF<sub>4</sub>, BkF<sub>4</sub>, and CfF<sub>4</sub>'', in: ''[[Inorg. Nucl. Chem. Lett.]]'', '''1975''', ''11''&nbsp;(13), S.&nbsp;847–855 ({{DOI|10.1016/0020-1650(75)80112-7}}).</ref><ref name="BKF_3_4">D. D. Ensor, J. R. Peterson, R. G. Haire, J. P. Young: ''Absorption Spectrophotometric Study of Berkelium (III) and (IV) Fluorides in the Solid State'', in: ''[[J. Inorg. Nucl. Chem.]]'', '''1981''', ''43''&nbsp;(5), S.&nbsp;1001–1003 ({{DOI|10.1016/0022-1902(81)80164-9}}).</ref>

四氟化锫-249 (<sup>249</sup>BkF<sub>4</sub>) 的[[β衰变]]会产生[[四氟化锎]]-249 (<sup>249</sup>CfF<sub>4</sub>)。<ref name=dictic>J. E. Macintyre, F. M. Daniel, V. M. Stirling: ''Dictionary of inorganic compounds'', Chapman and Hall, CRC Press, 1992, ISBN 978-0-412-30120-9, S.&nbsp;2826.</ref>

== 参考资料==
<references/>
{{锫化合物}}
{{氟化物}}

== 扩展阅读==
* David E. Hobart, Joseph R. Peterson: [http://radchem.nevada.edu/classes/rdch710/files/Berkelium.pdf ''Berkelium''] {{Wayback|url=http://radchem.nevada.edu/classes/rdch710/files/Berkelium.pdf |date=20100717153832 }}, in: Lester R. Morss, Norman M. Edelstein, Jean Fuger (Hrsg.): ''The Chemistry of the Actinide and Transactinide Elements'', Springer, Dordrecht 2006; ISBN 1-4020-3555-1, S.&nbsp;1444–1498 ({{DOI|10.1007/1-4020-3598-5_10}}).

[[Category:锫化合物]]
[[Category:氟化物]]