Iron oxychloride: Difference between revisions
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Revision as of 05:24, 8 July 2016
| Names | |
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| IUPAC name
Iron oxychloride
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.054.740 |
| EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| ClFeO | |
| Molar mass | 107.29 g·mol−1 |
| Appearance | Vivid, dark violet, opaque crystals |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Iron oxychloride is the inorganic compound with the formula FeOCl. This purple solid adopts a layered structure, akin to that of cadmium chloride.[1] The material slowly hydrolyses in moist air. The solid intercalates electron-donors such as tetrathiafulvalene and even pyridine to give mixed valence charge-transfer salts. Intercalation is accompanied by a marked increase in electrical conductivity and a color change to black.[2]
FeOCl is prepared by heating iron(III) oxide with ferric chloride at 370 °C over the course of several days:[2]
- Fe2O3 + FeCl3 → 3 FeOCl
References
- ^ M. D. Lind "Refinement of the crystal structure of iron oxychloride" Acta Crystallogr. (1970). B26, 1058-1062. doi:10.1107/S0567740870003618
- ^ a b S. Kikkawa, F. Kanamaru, M. Koizumi "Layered Intercalation Compounds" Inorganic Syntheses, 1983, Volume 22, 86. doi:10.1002/9780470132531.ch17
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