Cobalt disilicide

Names
IUPAC name

Cobalt disilicide

Identifiers

CAS Number

* 12017-12-8 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 57449125

PubChem CID

* 135120840

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

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

1. ↑ 1.0 1.1 Haynes, p. 4.59
2. ↑ Shinoda, Daizaburo; Asanabe, Sizuo (1966). "Magnetic Properties of Silicides of Iron Group Transition Elements". Journal of the Physical Society of Japan 21 (3): 555. doi:10.1143/JPSJ.21.555. Bibcode: 1966JPSJ...21..555S.
3. ↑ 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. doi:10.1103/PhysRevB.47.4356. PMID 10006582. Bibcode: 1993PhRvB..47.4356W.
4. ↑ Wittmann, A.; Burger, K. O.; Nowotny, H. (1961). "Mono- und Disilicidsysteme der Eisengruppe". Monatshefte für Chemie 92 (5): 961–966. doi:10.1007/BF00924761.
5. ↑ Haynes, p. 12.64
6. ↑ Haynes, p. 12.70

## Cited sources

* Haynes, William M., ed (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. ISBN 9781498754293.

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Cobalt compounds

* CoBr2
* Co(CN)2
* CoCO3
* CoC2O4
* CoCl2
* CoCl3
* Co(ClO3)2
* CoF2
* CoF3
* CoI2
* Co(NO3)2
* Co(NO3)3
* CoO
* Co(OH)2
* CoS
* CoSO4
* CoSe
* Co2O3
* Co2P
* Co3O4
* Co3(PO4)2
* Co(Ac)2

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