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
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。

四氟化锫是锫的一种氟化物，化学式 BkF₄，其中锫的氧化态为 +4。

制备

四氟化锫可以由锫和氟气在 400 °C 下直接反应而成。^[2]

{\ce {Bk + 2 F2 -> BkF4}}

性质

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 pm、b = 1058 pm 、c = 817 pm 和β = 125.9°。^[3]它的晶体结构和四氟化铀同构。^[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

^ 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
^ ^2.0 ^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).
^ Gmelins Handbuch der anorganischen Chemie, System Nr. 71, Transurane, Teil C, S. 106.
^ 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).
^ 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).
^ R. A. Penneman, R. R. Ryan, A. Rosenzweig: Structural systematics in actinide fluoride complexes, in: Structure & Bonding, 1973, 13, S. 1–52 .
^ 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).
^ 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).
^ 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.

扩展阅读

David E. Hobart, Joseph R. Peterson: Berkelium （页面存档备份，存于互联网档案馆）, 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. 1444–1498 (doi:10.1007/1-4020-3598-5_10).

[HOWI_1969-1] 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

[Keenan-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).

[Gmelin-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).

[BKF_3_4-8] 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).

[dictic-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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