Manganese (IV) fluoride

Crystal structure
	__ Mn 4+ __ F -
General
Surname	Manganese (IV) fluoride
other names	Manganese tetrafluoride
Ratio formula	MnF 4
Brief description	blue solid
External identifiers / databases
Wikidata	Q419573
properties
Molar mass	130.93 g mol −1
Physical state	firmly
solubility	reacts violently with 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 .

Manganese (IV) fluoride is a chemical compound of manganese from the group of fluorides .

Extraction and presentation

Manganese (IV) fluoride can be obtained by reacting manganese with fluorine .

{\ displaystyle \ mathrm {Mn + 2 \ F_ {2} \ longrightarrow MnF_ {4}}}

It can also by fluorination of manganese (II) fluoride by terbium (IV) fluoride are recovered.

properties

Manganese (IV) fluoride is a light blue solid that is very reactive and highly hygroscopic . It reacts with petroleum to form flames and slowly changes to manganese (III) fluoride at 0 ° C. in a high vacuum with elimination of fluorine. It reacts violently with water and on contact with humidity the compound decomposes immediately. Two different modifications of manganese (IV) fluoride are known. The α-form of manganese (IV) fluoride consists of Mn ₄ F ₂₀ rings in which manganese octahedra are connected by cis-fluorine bridges.

use

Manganese (IV) fluoride is used in the chemical industry as a powerful oxidizing agent and as a source for the production of pure fluorine.

Individual evidence

↑ ^a ^b ^c ^d 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. 269.
↑ ^a ^b Rudolf Hoppe, Wolfgang Dähne, Wilhelm Klemm: Mangantetrafluorid, MnF ₄ . In: The natural sciences. 48, 1961, pp. 429-429, doi : 10.1007 / BF00621676 .
↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
↑ ^a ^b Patent: Process for the production of manganese tetrafluoride - Document DE602005006312T2
↑ Tsuyoshi Nakajim, Boris Žemva, Alain Tressaud: Advanced Inorganic Fluorides: Synthesis, Characterization, and Applications . Elsevier, 2000, ISBN 0-444-72002-2 , pp. 111 ( limited preview in Google Book search).

[brauer-1] 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. 269.

[DOI10.1007/BF00621676-2] Rudolf Hoppe, Wolfgang Dähne, Wilhelm Klemm: Mangantetrafluorid, MnF ₄ . In: The natural sciences. 48, 1961, pp. 429-429, doi : 10.1007 / BF00621676 .

[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.

[patent-4] Patent: Process for the production of manganese tetrafluoride - Document DE602005006312T2

[Tsuyoshi_Nakajim,_Boris_Žemva,_Alain_Tressaud-5] Tsuyoshi Nakajim, Boris Žemva, Alain Tressaud: Advanced Inorganic Fluorides: Synthesis, Characterization, and Applications . Elsevier, 2000, ISBN 0-444-72002-2 , pp. 111 ( limited preview in Google Book search).