_chloride.jpg) | |
 Crystal structure | |
| Identifiers | |
|---|---|
3D model (JSmol) | |
| |
| |
| 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 theirstandard 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 coordinatetricapped trigonal prismatic geometry.[1]
Curium(III) chloride can be obtained from the reaction ofhydrogen chloride gas withcurium dioxide,curium(III) oxide, orcurium(III) oxychloride at a temperature of 400-600 °C:
It can also be obtained from the dissolution of metallic curium in dilutehydrochloric 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 ofcurium nitride withcadmium chloride:[3]
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