Cobalt(II) selenide
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]
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| Names | |
|---|---|
| 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). | |
| Infobox references | |
References
- Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. p. 4.59. ISBN 9781498754293.
- Kamimura, T.; Sato, M.; Takahashi, H.; Mori, N.; Yoshida, H.; Kaneko, T. (1992). "Pressure-induced phase transition in Fe-Se and Fe-S systems with a Ni As-type structure". Journal of Magnetism and Magnetic Materials. 104–107: 255–256. Bibcode:1992JMMM..104..255K. doi:10.1016/0304-8853(92)90787-O.
- University of Akron Chemical Database Archived 2012-12-15 at Archive.today
- https://www.mindat.org/min-1602.html
- https://www.ima-mineralogy.org/Minlist.htm
- https://www.mindat.org/min-4028.html
- https://www.ima-mineralogy.org/Minlist.htm
- https://www.mindat.org/min-726.html
- https://www.ima-mineralogy.org/Minlist.htm
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