Cobalt disilicide

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| ImageFile = Fluorite-unit-cell-3D-ionic.png

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| IUPACName = Cobalt disilicide

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|Section1={{Chembox Identifiers

| CASNo = 12017-12-8

| CASNo_Ref = {{cascite|correct|CAS}}

| PubChem = 135120840

| ChemSpiderID = 57449125

| InChI =1S/Co.2Si

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| SMILES =[Si]=[Co]=[Si]

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|Section2={{Chembox Properties

| Formula = CoSi₂

| MolarMass = 115.104 g/mol

| Appearance = gray cubic crystalsHaynes, p. 4.59

| Density = 4.9 g/cm³

| MeltingPtC = 1326

| MeltingPt_ref =

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| BoilingPt =

| Solubility =

| RefractIndex = 2.07 (589 nm){{cite journal|last1=Wu|first1=Z.-C.|last2=Arakawa|first2=E. T.|last3=Jimenez|first3=J. R.|last4=Schowalter|first4=L. J.|title=Optical properties of epitaxial CoSi₂ on Si from 0.062 to 22.3 eV|journal=Physical Review B|volume=47|issue=8|year=1993|pages=4356–4362|doi=10.1103/PhysRevB.47.4356|pmid=10006582|bibcode=1993PhRvB..47.4356W}}

| MagSus = {{val|0.4e-6}} emu/g{{cite journal|doi=10.1143/JPSJ.21.555|title=Magnetic Properties of Silicides of Iron Group Transition Elements|year=1966|last1=Shinoda|first1=Daizaburo|last2=Asanabe|first2=Sizuo|journal=Journal of the Physical Society of Japan|volume=21|issue=3|page=555|bibcode=1966JPSJ...21..555S}}

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|Section3={{Chembox Structure

| CrystalStruct = Fluorite{{cite journal|last1=Wittmann|first1=A.|last2=Burger|first2=K. O.|last3=Nowotny|first3=H.|title=Mono- und Disilicidsysteme der Eisengruppe|journal=Monatshefte für Chemie|volume=92|issue=5|year=1961|pages=961–966|doi=10.1007/BF00924761}}

| SpaceGroup = Fm{{overline|3}}m (No. 225), cF12

| LattConst_a = 0.5353 nm

| UnitCellFormulas = 4

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|Section7={{Chembox Hazards

| ExternalSDS =

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| FlashPt = Non-flammable

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|Section8={{Chembox Related

| OtherAnions =

| OtherCations =Iron disilicide
Manganese disilicide
Titanium disilicide

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Cobalt disilicide (CoSi₂) is an intermetallic compound, a silicide of cobalt. It is a superconductor with a transition temperature of around 1.4 KHaynes, p. 12.64 and a critical field of 105 Oe.Haynes, p. 12.70