Californium(III) fluoride
(Redirected from Californium fluoride)
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| Names | |
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| Other names
Californium trifluoride
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| Identifiers | |
3D model (JSmol)
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| Properties | |
| CfF3 | |
| Molar mass | 308 g·mol−1 |
| Appearance | yellow-green solid |
| Density | g/cm3 |
| Structure | |
| orthorhombic | |
| Related compounds | |
Related compounds
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Berkelium trifluoride Einsteinium trifluoride |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards
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radioactive |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Californium(III) fluoride is a binary inorganic compound of californium and fluorine with the formula CfF
3[1]
Physical properties
[edit]Californium(III) fluoride is a yellow-green solid[2] and has two crystalline structures that are temperature dependent. At low temperatures the orthorhombic structure (YF
3 type) is found with lattice constants a = 665.3(3) pm, b = 703.9(1) pm and c = 439.3(3) pm. At higher temperatures it forms a trigonal system (LaF
3 type) with: a = 694.5(3) pm and c = 710.1(2) pm. Here, each californium atom is surrounded by nine fluorine atoms in a distorted triply-capped trigonal-prismatic structure.[3][4]
References
[edit]- ^ Haupt, Axel (22 March 2021). Organic and Inorganic Fluorine Chemistry: Methods and Applications. Walter de Gruyter GmbH & Co KG. p. 618. ISBN 978-3-11-065933-7. Retrieved 6 April 2023.
- ^ "WebElements Periodic Table » Californium » californium trifluoride". webelements.com. Retrieved 6 April 2023.
- ^ Stevenson, J. N.; Peterson, J. R. (1 October 1973). "The trigonal and orthorhombic crystal structures of CfF3 and their temperature relationship". Journal of Inorganic and Nuclear Chemistry. 35 (10): 3481–3486. doi:10.1016/0022-1902(73)80356-2. ISSN 0022-1902. Retrieved 6 April 2023.
- ^ Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 2825. ISBN 978-0-412-30120-9. Retrieved 6 April 2023.
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