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Curium(IV) fluoride

Chemical compound From Wikipedia, the free encyclopedia

Curium(IV) fluoride is an inorganic chemical compound, a salt of curium and fluorine with the chemical formula CmF4.[1][2][3]

Quick facts Names, Identifiers ...
Curium(IV) fluoride
Names
IUPAC name
Curium tetrafluoride
Other names
Curium(IV) fluoride
Identifiers
3D model (JSmol)
  • InChI=1S/Cm.4FH/h;4*1H/q+4;;;;/p-4
    Key: ZLUFUNLZMYTJKM-UHFFFAOYSA-J
  • [Cm+4].[F-].[F-].[F-].[F-]
Properties
CmF4
Molar mass 323 g·mol−1
Appearance brownish-tan solid
Related compounds
Related compounds
Americium tetrafluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.[5][6][7] It has the same crystal structure as that of UF4.

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