Praseodymium acetylacetonate
3(H2O)2.svg)
| |
| Names | |
|---|---|
| Other names
Tris(2,4-pentanedione)praseodymium, Tris(acetylacetonato)praseodymium
| |
| Identifiers | |
| |
3D model (JSmol)
|
|
| ChemSpider | |
| ECHA InfoCard | 100.035.076 |
PubChem CID
|
|
CompTox Dashboard (EPA)
|
|
| |
| |
| Properties | |
| C15H25O8Pr | |
| Molar mass | 474.265 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
| |
Praseodymium acetylacetonate is a coordination complex with the formula Pr(C3H7O2)3. This purported anhydrous acetylacetonate complex is widely discussed but only the dihydrate Pr(C3H7O2)3(H2O)2 has been characterized by X-ray crystallography.[1] [2]
Upon heating under vacuum, other dihydrated lanthanide trisacetylacetonates convert to oxo-clusters M4O(C5H7O2)10. This result suggests that anhydrous Pr(O2C5H7)3 may not exist.[3]
Instability constants (logYn) are 2.89, 4.17 and 5.29 (corresponding to n=1, 2, 3) have been determined for related materials.[4] It can be prepared by the reaction of trialkoxypraseodymium and acetylacetone.[5] When praseodymium chloride reacts with sodium acetylacetonate or lithium acetylacetonate in the solid phase, praseodymium acetylacetonate can also be obtained, but NaPr(acac)4 or LiPr(acac)4 will also be generated.[6] It can form the green complex Pr(acac)3(phen) with o-phenanthroline.[7]
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.
