Europium (II) fluoride

Crystal structure
	__ Eu 2+ __ F -
General
Surname	Europium (II) fluoride
other names	Europium difluoride
Ratio formula	EuF 2
Brief description	light yellow solid
External identifiers / databases
EC number	678-686-1
ECHA InfoCard	100.203.721
Wikidata	Q14965231
properties
Molar mass	189.96 g mol −1
Physical state	firmly
density	6.495 g cm −3
Melting point	1403 ° C
boiling point	2400 ° C
solubility	almost insoluble in water
safety instructions
GHS hazard labeling ; no classification available
GHS hazard labeling ; no classification available
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Europium (II) fluoride is an inorganic chemical compound of europium from the group of fluorides .

Extraction and presentation

Europium (II) fluoride can be obtained by reacting europium (III) fluoride with europium or hydrogen .

{\ displaystyle \ mathrm {2 \ EuF_ {3} + Eu \ longrightarrow 3 \ EuF_ {2}}}

{\ displaystyle \ mathrm {2 \ EuF_ {3} + H_ {2} \ longrightarrow 2 \ EuF_ {2} +2 \ HF}}

properties

Europium (II) fluoride is a light yellow solid. It has a crystal structure of fluorite . At a pressure of 114 kPa and a temperature of 400 ° C, the compound changes into a crystal structure of the orthorhombic lead (II) fluoride type.

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. 255.
^ ^A ^b ^c Jean d'Ans, Ellen Lax, Roger Blachnik: Pocket book for chemists and physicists . Springer DE, 1998, ISBN 3-642-58842-5 , pp. 446 ( limited preview in Google Book search).
↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
^ H. Harry Julius Emeleus, AG Sharpe: Advances in Inorganic Chemistry and Radiochemistry . Academic Press, 1977, ISBN 0-08-057869-1 , pp. 13 ( 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. 255.

[Lax-2] A ^b ^c Jean d'Ans, Ellen Lax, Roger Blachnik: Pocket book for chemists and physicists . Springer DE, 1998, ISBN 3-642-58842-5 , pp. 446 ( limited preview in Google Book search).

[NV-3] This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.

[H._Harry_Julius_Emeleus,_A._G._Sharpe-4] H. Harry Julius Emeleus, AG Sharpe: Advances in Inorganic Chemistry and Radiochemistry . Academic Press, 1977, ISBN 0-08-057869-1 , pp. 13 ( limited preview in Google Book search).