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Caesium selenide information


Caesium selenide
Caesium selenide
Cs+: __ Se2-: __
Identifiers
CAS Number
  • 31052-46-7 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 148025
ECHA InfoCard 100.045.848 Edit this at Wikidata
EC Number
  • 250-448-8
PubChem CID
  • 169244
CompTox Dashboard (EPA)
  • DTXSID70953155 Edit this at Wikidata
InChI
  • InChI=1S/2Cs.Se/q2*+1;-2
    Key: KUBAIENASCDSDJ-UHFFFAOYSA-N
SMILES
  • [Se-2].[Cs+].[Cs+]
Properties
Chemical formula
Cs2Se
Molar mass 344.771
Appearance colourless, highly hygroscopic crystals[1]
Density 4.33 g·cm−3[2]
Solubility in water
hydroyses[3]
Hazards
GHS labelling:[4]
Pictograms
GHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
Signal word
Danger
Hazard statements
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).
Infobox references

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.

  1. ^ a b Jean D'Ans, Ellen Lax: Taschenbuch für Chemiker und Physiker. 3. Elemente, anorganische Verbindungen und Materialien, Minerale, Band 3. 4. Auflage, Springer, 1997, ISBN 978-3-5406-0035-0, S. 692 ([1], p. 692, at Google Books).
  2. ^ Sommer, Helmut; Hoppe, Rudolf. The crystal structure of cesium sulfide and a remark about cesium selenide, cesium telluride, rubidium selenide, and rubidium telluride(in German). Zeitschrift fuer Anorganische und Allgemeine Chemie, 1977. 429: 118–130. ISSN: 0044-2313
  3. ^ Caesium selenide at AlfaAesar, accessed on Dienstag, 29 June 2010 (PDF) (JavaScript required).[dead link]
  4. ^ "C&L Inventory". echa.europa.eu.

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Caesium selenide

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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...

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Rubidium selenide

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selenide is used together with caesium selenide in photovoltaic cells. Rubidium selenide can be prepared by reacting mercury selenide and metallic rubidium. The...

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Caesium monoxide

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Caesium monoxide or caesium oxide is an chemical compound with the chemical formula Cs2O. It is the simplest and most common oxide of the caesium. It...

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Caesium sulfide

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structure of cesium sulfide and a remark about cesium selenide, cesium telluride, rubidium selenide, and rubidium telluride (in German). Zeitschrift für...

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Potassium selenide

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Potassium selenide (K2Se) is an inorganic compound formed from selenium and potassium. It can be produced by the reaction of selenium and potassium. If...

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Sodium selenide

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Sodium selenide is an inorganic compound of sodium and selenium with the chemical formula Na2Se. This colourless solid is prepared by the reaction of selenium...

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Cubic crystal system

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structure is the "interpenetrating primitive cubic" structure, also called a "caesium chloride" or B2 structure. This structure is often confused for a body-centered...

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List of CAS numbers by chemical compound

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caesium sulfate 10294–54–9 Cs2Se caesium selenide 31052–46–7 Cs2Te caesium telluride 12191–06–9 Cs2WO4 caesium tungstate 13587–19–4 Cs2ZnI4 caesium tetraiodozincate...

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Lithium selenide

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Lithium selenide is an inorganic compound that formed by selenium and lithium. It is a selenide with a chemical formula Li2Se. Lithium selenide has the...

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Selenium

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refining of these ores, most often during production. Minerals that are pure selenide or selenate compounds are known but rare. The chief commercial uses for...

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Alkali metal

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chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr). Together with hydrogen they constitute group 1...

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Hydride telluride

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Related compounds include the oxyhydrides, hydride sulfides, and hydride selenides. Salt-like hydride tellurides may be formed by heating tellurium with...

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List of inorganic compounds

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Cd3P2 Cadmium selenide – CdSe Cadmium sulfate – CdSO4 Cadmium sulfide – CdS Cadmium telluride – CdTe Caesium bicarbonate – CsHCO3 Caesium carbonate – Cs2CO3...

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Glossary of chemical formulae

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spellings may differ, such as aluminum/aluminium, sulfur/sulphur, and caesium/cesium. Contents A B C Ca–Cu D E F G H I K L M N O P R S T U V W X Y Z...

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Thallium halides

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elements in research spectrophotometers. Compared to the more common zinc selenide-based optics, materials such as thallium bromoiodide enable transmission...

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Thallium

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infrared light, making this compound useful in photoresistors. Thallium selenide has been used in bolometers for infrared detection. Doping selenium semiconductors...

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Potassium oxide

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E.; Harder, A.; Dauth B. (1934). "Gitterstruktur der oxide, sulfide, selenide und telluride des lithiums, natriums und kaliums". Zeitschrift für Elektrochemie...

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Sodium sulfide

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Zintl, E; Harder, A; Dauth, B. (1934). "Gitterstruktur der oxyde, sulfide, selenide und telluride des lithiums, natriums und kaliums". Z. Elektrochem. Angew...

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Sodium oxide

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E.; Harder, A.; Dauth B. (1934). "Gitterstruktur der oxyde, sulfide, selenide und telluride des lithiums, natriums und kaliums". Zeitschrift für Elektrochemie...

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Periodic table

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as in SO3 and SeO3, and minimum oxidation state −2, as in sulfides and selenides); but not always (e.g. oxygen is not known to form oxidation state +6...

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Potassium telluride

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telluride. Potassium telluride is a white powder. Like rubidium telluride and caesium telluride, it can be used as an ultraviolet detector in space. Its crystal...

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Lithium oxide

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Eduard; Harder, A.; Dauth, B. (1934). "Gitterstruktur der Oxyde, Sulfide, Selenide und Telluride des Lithiums, Natriums und Kaliums". Zeitschrift für Elektrochemie...

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Ionic radius

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radii for Group 1 and Group 2 halide, hydride, fluoride, oxide, sulfide, selenide and telluride crystals". Dalton Transactions. 39 (33): 7786–7791. doi:10...

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Potassium chloride

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optics, it has been entirely replaced by much tougher crystals such as zinc selenide. Potassium chloride is used as a scotophor with designation P10 in dark-trace...

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Rubidium oxide

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Rubidium sulfide Rubidium selenide Rubidium telluride Rubidium polonide Other cations Lithium oxide Sodium oxide Potassium oxide Caesium oxide Related rubidium...

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Solubility table

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0.04642 Caesium acetate CsC2H3O2 1010 1345.5 Caesium azide CsN3 307 Caesium bromate CsBrO3 2.10 3.66 4.53 5.3 Caesium bromide CsBr 108 Caesium chlorate...

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Potassium sulfide

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oxide Potassium selenide Potassium telluride Potassium polonide Other cations Lithium sulfide Sodium sulfide Rubidium sulfide Caesium sulfide Related...

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