Cobalt(II) selenide
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Cobalt(II) selenide is an inorganic compound with the chemical formula CoSe.[3] The mineral form of this compound is known as freboldite.[4][5] Similar minerals include trogtalite (CoSe2)[6][7] and bornhardtite (Co2+Co3+2Se4).[8][9]
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
Cobalt(II) selenide | |
Identifiers | |
3D model (JSmol) |
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ECHA InfoCard | 100.013.778 |
EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |
CoSe | |
Molar mass | 137.89 g/mol[1] |
Density | 7.65 g/cm3[1] |
Melting point | 1,055 °C (1,931 °F; 1,328 K)[1] |
Insoluble[1] | |
Structure[2] | |
Hexagonal (NiAs), hP4 | |
P63/mmc, No. 194 | |
a = 0.362 nm, b = 0.362 nm, c = 0.52 nm α = 90°, β = 90°, γ = 120° | |
Formula units (Z) |
2 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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