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![]() Crystal structure | |
Identifiers | |
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3D model (JSmol) | |
PubChem CID | |
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Properties | |
Cl3Cm | |
Molar mass | 353 g·mol−1 |
Appearance | White solid (anhydrous) Light green solid (hydrate) |
Melting point | 695 °C (1,283 °F; 968 K)[ citation needed ] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Curium(III) chloride is the chemical compound with the formula CmCl3.
Curium(III) chloride has a 9 coordinate tricapped trigonal prismatic geometry. [1]
Curium(III) chloride can be obtained from the reaction of hydrogen chloride gas with curium dioxide, curium(III) oxide, or curium(III) oxychloride at a temperature of 400-600 °C:
It can also be obtained from the dissolution of metallic curium in dilute hydrochloric acid: [2]
This method is complicated by the ongoing processes of hydrolysis and hydration of the resulting compound in an aqueous solution, making it problematic to obtain a pure product.
It can be obtained from the reaction of curium nitride with cadmium chloride: [3]
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