Molybdenum (III) fluoride

Crystal structure
__ Mon 3+      __ F -
General
Surname	Molybdenum (III) fluoride
other names	Molybdenum trifluoride
Ratio formula	MoF 3
Brief description	green solid
External identifiers / databases
CAS number 20193-58-2 PubChem 140652 Wikidata Q4493213
properties
Molar mass	152.94 g mol −1
Physical state	firmly
density	4.64 g cm −3
safety instructions
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 .

Molybdenum (III) fluoride is an inorganic chemical compound of molybdenum from the group of fluorides .

Extraction and presentation

Molybdenum (III) fluoride can be obtained by reacting molybdenum (V) fluoride with molybdenum at 400 ° C.

${\displaystyle \mathrm {3\ MoF_{5}+2\ Mo\longrightarrow 5\ MoF_{3}} }$

properties

Molybdenum (III) fluoride is a light green solid that turns black when heated to 800 ° C and dark red at 900 ° C. It is thermally stable up to 500 ° C and has a crystal structure of the vanadium (III) fluoride type. Other sources indicate a structure of the rhenium (VI) oxide type.

Individual evidence

1. ↑ ^{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. 266.
2. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
3. ^ DE LaValle, RM Steele, MK Wilkinson, HL Yakel: The Preparation and Crystal Structure of Molybdenum (III) Fluoride. In: Journal of the American Chemical Society. 82, 1960, pp. 2433-2434, doi : 10.1021 / ja01495a010 .
4. ^ Structure and Chemistry of Crystalline Solids . Springer, 2007, ISBN 0-387-36687-3 , pp. 84 ( limited preview in Google Book search).