Terbium monosulfide

Terbium monosulfide is a binary inorganic compound of terbium and sulfur with the chemical formula TbS.^[1][2]

Terbium monosulfide

Names
Other names Terbium(II) sulfide
Identifiers
CAS Number	12143-71-4
3D model (JSmol)	Interactive image
InChI InChI=1S/S.Tb Key: PMXMFLRDTCOFIG-UHFFFAOYSA-N
SMILES [Tb].[S]
Properties
Chemical formula	STb
Molar mass	190.99 g·mol−1
Appearance	Crystals
Density	7.41 g/cm3
Related compounds
Related compounds	Samarium monosulfide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

Terbium monosulfide can be synthesised by heating stoichiometric amounts of pure substances in an inert atmosphere:^[3]

Tb + S → TbS

Physical properties

Terbium monosulfide forms crystals of cubic system, space group Fm3m, isomorphous with NaCl.^[4][5]