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Curium(IV) fluoride
Chemical compound

Curium(IV) fluoride is an inorganic chemical compound, a salt of curium and fluorine with the chemical formula CmF4.

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Synthesis

It is reported that the compound can be prepared by fluorination of CmF3 with elemental fluorine at 400 °C.4

2CmF3 + F2 → 2CmF4

Physical properties

The compound forms brownish-tan solid composed of Cm4+ and F− ions. It has a monoclinic crystal structure of the space group C2/c (No. 15), and lattice parameters a = 1250 pm, b = 1049 pm, and c = 818 pm.567 It has the same crystal structure as that of UF4.

References

  1. Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3046. ISBN 978-0-412-30120-9. Retrieved 27 June 2023. 978-0-412-30120-9 ↩

  2. Gutmann, Viktor (2 December 2012). Halogen Chemistry. Elsevier. p. 318. ISBN 978-0-323-14847-4. Retrieved 27 June 2023. 978-0-323-14847-4 ↩

  3. Kistemaker, P. G.; Nibbering, N. M. M. (2 December 2012). Advances in Mass Spectrometry, Volume 12. Elsevier. p. 741. ISBN 978-0-444-59945-2. Retrieved 27 June 2023. 978-0-444-59945-2 ↩

  4. Advances in Inorganic Chemistry and Radiochemistry. Academic Press. 1960. p. 210. ISBN 978-0-08-057851-4. Retrieved 27 June 2023. {{cite book}}: ISBN / Date incompatibility (help) 978-0-08-057851-4 ↩

  5. Haug, H. O.; Baybarz, R. D. (1 December 1975). "Lattice parameters of the actinide tetrafluorides UF4, BkF4, and CfF4". Inorganic and Nuclear Chemistry Letters. 11 (12): 847–855. doi:10.1016/0020-1650(75)80112-7. ISSN 0020-1650. Retrieved 3 July 2023. https://www.sciencedirect.com/science/article/abs/pii/0020165075801127 ↩

  6. Pennenvan, R. A.; Ryan, R. R.; Rosenzweig, A. (1973). "Structural systematics in actinide fluoride complexes". Rare Earths. Structure and Bonding. 13. Springer: 1–52. doi:10.1007/3-540-06125-8_1. ISBN 978-3-540-06125-0. Retrieved 3 July 2023. 978-3-540-06125-0 ↩

  7. Asprey, L. B; Haire, R. G (1 November 1973). "On the actinide tetrafluoride lattice parameters". Inorganic and Nuclear Chemistry Letters. 9 (11): 1121–1128. doi:10.1016/0020-1650(73)80017-0. ISSN 0020-1650. Retrieved 3 July 2023. https://www.sciencedirect.com/science/article/abs/pii/0020165073800170 ↩