Silicon disulfide

Silicon disulfide
Names
	IUPAC name silicon(IV) sulfide
	Other names silicon disulfide
Identifiers
CAS Number	13759-10-9 ;
3D model (JSmol)	monomer: Interactive image; polymer: Interactive image;
ChemSpider	75527 ;
ECHA InfoCard	100.033.935
PubChem CID	83705;
UNII	35Y5PHW16K ;
CompTox Dashboard (EPA)	DTXSID4065606 ;
	InChI InChI=1S/S2Si/c1-3-2 Key: KHDSWONFYIAAPE-UHFFFAOYSA-N ; InChI=1/S2Si/c1-3-2 Key: KHDSWONFYIAAPE-UHFFFAOYAO;
	SMILES monomer: S=[Si]=S; polymer: S=[Si](S0)S[Si]0(S0)S[Si]0(S0)S[Si]0(S0)S[Si]0(S0)S[Si]0(S0)S[Si]0=S;
Properties
Chemical formula	SiS2
Molar mass	92.218 g/mol
Appearance	White (samples are sometimes grey or brown) needles.; Rotten egg smell in moist air.
Density	1.853 g/cm3
Melting point	1,090 °C (1,990 °F; 1,360 K) sublimes
Solubility in water	Decomposes
Structure
Crystal structure	Orthorhombic, oI12
Space group	Ibam, No.72
Coordination geometry	Tetrahedral
Hazards
NFPA 704 (fire diamond)	2 2 3
Related compounds
Other anions	silicon dioxide
Other cations	carbon disulfide; germanium disulfide; tin(IV) sulfide; lead(IV) sulfide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Silicon disulfide is the inorganic compound with the formula Si S₂. Like silicon dioxide, this material is polymeric, but it adopts a 1-dimensional structure quite different from the usual forms of SiO₂.