Lutetium (III) fluoride

Crystal structure
__ Lu 3+      __ F -
Crystal system	orthorhombic
General
Surname	Lutetium (III) fluoride
other names	Lutetium trifluoride
Ratio formula	LuF 3
Brief description	white solid
External identifiers / databases
CAS number 13760-81-1 EC number 237-355-8 ECHA InfoCard 100.033.945 PubChem 83712 Wikidata Q15632886
properties
Molar mass	231.96 g mol −1
Physical state	firmly
density	8.332 g cm −3
Melting point	1182 ° C
boiling point	2200 ° C
solubility	almost insoluble in water
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 301-311-331 P: 261-280-301 + 310-311
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Lutetium (III) fluoride is an inorganic chemical compound of lutetium from the group of fluorides .

Extraction and presentation

Lutetium (III) fluoride can be obtained by reacting lutetium (III) oxide with hydrogen fluoride .

${\displaystyle \mathrm {Lu_{2}O_{3}+6\ HF\longrightarrow 2\ LuF_{3}+3\ H_{2}O} }$

Alternatively, it can also be produced by reacting hydrofluoric acid with lutetium (III) chloride .

${\displaystyle \mathrm {LuCl_{3}+3\ HF\longrightarrow LuF_{3}+3\ HCl} }$

properties

Lutetium (III) fluoride is an odorless white solid that is insoluble in water. It has an orthorhombic crystal structure with the space group Pnma (space group no. 62) .

use

Lutetium fluoride is z. E.g. as mixed crystal LiLu _1-x Nd _x F _{4 used} together with LiF and NdF ₃ for scintillation counters .

Individual evidence

1. ^ ^{A b} american elements : American Elements: Lutetium Fluoride Supplier & Tech Info
2. ↑ ^{a b c d} Entry on lutetium (III) fluoride at ChemicalBook , accessed on January 20, 2014.
3. ↑ ^{a b c} data sheet Lutetium (III) fluoride, anhydrous, powder, 99.99% trace metals basis from Sigma-Aldrich , accessed on March 25, 2013 ( PDF ).
4. ↑ Georg Brauer (Ed.), With the collaboration of Marianne Baudler a . a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 254.
5. ↑ Georg Brauer (Ed.), With the collaboration of Marianne Baudler a . a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 254.
6. ↑ Jean de Ans, Ellen Lax: Taschenbuch Fur Chemiker und Physiker: Volume 3: Elements, Inorganic… Springer DE, 1998, ISBN 3-540-60035-3 ( limited preview in Google book search).
7. ↑ Publication number EPA EP2439252A1, EP 2439252 A1 (EP 2 439 252 A1)