Cerium (IV) fluoride

Crystal structure
	__ Ce 4+ __ F -
Crystal system	monoclinic
Space group	C 2 / c (No. 15)
General
Surname	Cerium (IV) fluoride
other names	Cerium fluoride (ambiguous); Certetrafluoride;
Ratio formula	CeF 4
Brief description	white solid
External identifiers / databases
EC number	626-760-9
ECHA InfoCard	100.155.130
PubChem	82331
Wikidata	Q15632777
properties
Molar mass	216.11 g mol −1
Physical state	firmly
density	4.77 g cm −3
Melting point	650 ° C
safety instructions
GHS labeling of hazardous substances Caution
H and P phrases	H: 302 + 312 + 332-315-319-335
	P: 261-264-280-302 + 352 + 312-304 + 340 + 312-337 + 313
	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.

{\ displaystyle {\ ce {2 CeF3 + F2 -> 2 CeF4}}}

{\ displaystyle {\ ce {CeO2 + 2 F2 -> CeF4 + O2}}}

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).

[brauer-1] 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.

[Sigma-2] Datasheet Cerium (IV) fluoride, 99% from Sigma-Aldrich , accessed on March 22, 2020 ( PDF ).

[Erwin_Riedel,_Christoph_Janiak-3] Erwin Riedel, Christoph Janiak: Inorganic Chemistry . Walter de Gruyter, 2011, ISBN 3-11-022566-2 , p. 782 ( limited preview in Google Book search).