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Cobalt disilicide
Names
	IUPAC name Cobalt disilicide
Identifiers
CAS Number	12017-12-8 ;
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
Density	4.9 g/cm3
Melting point	1,326 °C (2,419 °F; 1,599 K)
Magnetic susceptibility (χ)	0.4×10−6 emu/g
Refractive index (nD)	2.07 (589 nm)
Structure
Crystal structure	Fluorite
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). (what is ?) Infobox references

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]

References

^ ^a ^b Haynes, p. 4.59
^ Shinoda, Daizaburo; Asanabe, Sizuo (1966). "Magnetic Properties of Silicides of Iron Group Transition Elements". Journal of the Physical Society of Japan. 21 (3): 555. Bibcode:1966JPSJ...21..555S. doi:10.1143/JPSJ.21.555.
^ Wu, Z.-C.; Arakawa, E. T.; Jimenez, J. R.; Schowalter, L. J. (1993). "Optical properties of epitaxial CoSi₂ on Si from 0.062 to 22.3 eV". Physical Review B. 47 (8): 4356–4362. Bibcode:1993PhRvB..47.4356W. doi:10.1103/PhysRevB.47.4356. PMID 10006582.
^ Wittmann, A.; Burger, K. O.; Nowotny, H. (1961). "Mono- und Disilicidsysteme der Eisengruppe". Monatshefte für Chemie. 92 (5): 961–966. doi:10.1007/BF00924761.
^ Haynes, p. 12.64
^ Haynes, p. 12.70