Cerium (IV) fluoride
Crystal structure | ||||||||||||||||
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__ Ce 4+ __ F - | ||||||||||||||||
Crystal system | ||||||||||||||||
Space group |
C 2 / c (No. 15) |
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General | ||||||||||||||||
Surname | Cerium (IV) fluoride | |||||||||||||||
other names |
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Ratio formula | CeF 4 | |||||||||||||||
Brief description |
white solid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 216.11 g mol −1 | |||||||||||||||
Physical state |
firmly |
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density |
4.77 g cm −3 |
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Melting point |
650 ° C |
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safety instructions | ||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Cerium (IV) fluoride is a chemical compound of cerium from the group of fluorides .
Extraction and presentation
Cerium (IV) fluoride can be obtained by reacting cerium (III) fluoride or cerium (IV) oxide with fluorine at 500 ° C.
properties
Cerium (IV) fluoride is a white solid that is insoluble in water and only very slowly hydrolyzed in cold water. It can be reduced to cerium (III) fluoride using hydrogen at 300 ° C. It has a crystal structure of the uranium (IV) fluoride type.
use
Cerium (IV) fluoride is used for the fluorination of hydrocarbons , for the synthesis of cerium (IV) compounds and as a catalyst for the Hantzsch reaction .
Individual evidence
- ↑ a b c d e Georg Brauer (Ed.), With the collaboration of Marianne Baudler u. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 256.
- ↑ a b c d Datasheet Cerium (IV) fluoride, 99% from Sigma-Aldrich , accessed on March 22, 2020 ( PDF ).
- ↑ Erwin Riedel, Christoph Janiak: Inorganic Chemistry . Walter de Gruyter, 2011, ISBN 3-11-022566-2 , p. 782 ( limited preview in Google Book search).