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四氟化锫

四氟化锫
别名 氟化锫(IV)
识别
CAS号 22422-27-1
SMILES
 
  • [F-].[F-].[F-].[F-].[Bk+4]
性质
化学式 BkF4
摩尔质量 322.99 g·mol−1
外观 浅绿色固体[1]
结构
晶体结构 单斜晶系
空间群 C2/c (No. 15)
晶格常数 a = 1247 pm, b = 1058 pm, c = 817 pm
相关物质
其他阳离子 四氟化锔
四氟化锎
相关化学品 三氟化锫
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

四氟化锫的一种氟化物化学式 BkF4,其中锫的氧化态为 +4。

制备

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四氟化锫可以由锫和氟气在 400 °C 下直接反应而成。[2]

性质

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四氟化锫是一种离子化合物,由 Bk4+和 F离子组成。它是单斜晶系的,空间群 C2/c (No. 15),晶格参数 a = 1247 pmb = 1058 pm 、c = 817 pm 和β = 125.9°。[3]它的晶体结构四氟化铀同构。[2][4][5][6][7][8]

四氟化锫-249 (249BkF4) 的β衰变会产生四氟化锎-249 (249CfF4)。[9]

参考资料

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  1. ^ Holleman, Arnold Frederik; Wiberg, Egon, Wiberg, Nils , 编, Inorganic Chemistry, 由Eagleson, Mary; Brewer, William翻译, San Diego/Berlin: Academic Press/De Gruyter, 2001, ISBN 0-12-352651-5 
  2. ^ 2.0 2.1 L. B. Asprey, T. K. Keenan: The Preparation of Berkelium Tetrafluoride and its Lattice Parameters, in: Inorg. Nucl. Chem. Lett., 1968, 4 (9), S. 537–541 (doi:10.1016/0020-1650(68)80028-5).
  3. ^ Gmelins Handbuch der anorganischen Chemie, System Nr. 71, Transurane, Teil C, S. 106.
  4. ^ Thomas K. Keenan, Larned B. Asprey: Lattice Constants of Actinide Tetrafluorides Including Berkelium, in: Inorg. Chem., 1969, 8 (2), S. 235–238 (doi:10.1021/ic50072a011).
  5. ^ L. B. Asprey, R. G. Haire: „On the Actinide Tetrafluoride Lattice Parameters“, in: Inorg. Nucl. Chem. Lett., 1973, 9 (11), S. 1121–1128 (doi:10.1016/0020-1650(73)80017-0).
  6. ^ R. A. Penneman, R. R. Ryan, A. Rosenzweig: Structural systematics in actinide fluoride complexes, in: Structure & Bonding, 1973, 13, S. 1–52 .
  7. ^ H. O. Haug, R. D. Baybarz: Lattice Parameters of the Actinide Tetrafluorides UF4, BkF4, and CfF4, in: Inorg. Nucl. Chem. Lett., 1975, 11 (13), S. 847–855 (doi:10.1016/0020-1650(75)80112-7).
  8. ^ 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 (5), S. 1001–1003 (doi:10.1016/0022-1902(81)80164-9).
  9. ^ 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. 2826.

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四氟化锫
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