Gallium (II) sulfide

Crystal structure
__ Ga 2+      __ S 2−
General
Surname	Gallium (II) sulfide
other names	Gallium monosulfide
Ratio formula	Gas
Brief description	yellow solid
External identifiers / databases
CAS number 12024-10-1 EC number 234-688-0 ECHA InfoCard 100,031,522 PubChem 6370242 Wikidata Q2616882
properties
Molar mass	101.8 g mol −1
Physical state	firmly
density	3.916 g cm −3
Melting point	965 ° C
solubility	almost insoluble in water, soluble in acids
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 .

Gallium (II) sulfide is an inorganic chemical compound of gallium from the group of sulfides .

Extraction and presentation

Gallium (II) sulfide can be obtained by reacting gallium with sulfur at 1100 ° C.

${\displaystyle \mathrm {Ga+S\longrightarrow GaS} }$

properties

Gallium (II) sulfide is a yellow solid in a flake-like form that is resistant to water. It can be sublimated to hexagonal columns at 900–950 ° C in a high vacuum and has a hexagonal crystal structure with the space group P 6 ₃ / mmc (space group no. 194) and the lattice parameters a = 358.5 pm and c = 1550 pm.

use

Gallium (I) sulfide can be obtained by reacting with gallium in a vacuum at 710 ° C.

${\displaystyle \mathrm {Ga+GaS\longrightarrow Ga_{2}S} }$

Individual evidence

1. ↑ ^{a b c d e f} 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. 858.
2. ↑ D. Sangeeta: Inorganic Materials Chemistry Desk Reference . CRC Press, 1997, ISBN 0-8493-8900-3 , pp. 258 ( limited preview in Google Book search).
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.
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. 859.