Cobalt disilicide

Cobalt disilicide (CoSi₂) is an intermetallic compound, a silicide of cobalt. It is a superconductor with a transition temperature of around 1.4 K^[5] and a critical field of 105 Oe.^[6]

Cobalt disilicide

Names
IUPAC name Cobalt disilicide
Identifiers
CAS Number	12017-12-8 Y
3D model (JSmol)	Interactive image
ChemSpider	57449125
ECHA InfoCard	100.031.457
PubChem CID	135120840
CompTox Dashboard (EPA)	DTXSID201010278
InChI InChI=1S/Co.2Si
SMILES [Si]=[Co]=[Si]
Properties
Chemical formula	CoSi2
Molar mass	115.104 g/mol
Appearance	gray cubic crystals[1]
Density	4.9 g/cm3
Melting point	1,326 °C (2,419 °F; 1,599 K)[1]
Magnetic susceptibility (χ)	0.4×10−6 emu/g[2]
Refractive index (nD)	2.07 (589 nm)[3]
Structure
Crystal structure	Fluorite[4]
Space group	Fm3m (No. 225), cF12
Lattice constant	a = 0.5353 nm
Formula units (Z)	4
Hazards
Flash point	Non-flammable
Related compounds
Other cations	Iron disilicide Manganese disilicide Titanium disilicide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N (what is YN ?) Infobox references