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Chemical compound From Wikipedia, the free encyclopedia
Caesium selenide is an inorganic compound of caesium and selenium. It is a selenide, with the chemical formula of Cs2Se. It can be prepared by reacting caesium and selenium. It has an inverse fluorite structure, with space group . There are 4 units per unit cell,[1] and the other selenides from the same group are similar.
Cs+: __ Se2-: __ | |
Identifiers | |
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3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.045.848 |
EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |
Cs2Se | |
Molar mass | 344.771 |
Appearance | colourless, highly hygroscopic crystals[1] |
Density | 4.33 g·cm−3[2] |
hydroyses[3] | |
Hazards | |
GHS labelling:[4] | |
Danger | |
H301, H331, H373, H410 | |
Related compounds | |
Other anions |
Caesium oxide Caesium sulfide Caesium sulfide Caesium polonide |
Other cations |
lithium selenide sodium selenide potassium selenide rubidium selenide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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