Gadolinium acetylacetonate is a coordination compound with the formula Gd(C5H7O2)3. This anhydrous acetylacetonate complex is widely discussed but unlikely to exist per se. The 8-coordinated dihydrate Gd(C5H7O2)3(H2O)2 is a more plausible formula based on the behavior of other lathanide complexes. It has also been characterized twice by X-ray crystallography.[2][3]

Upon heating under vacuum, the dihydrate converts to the oxo-cluster Gd4O(C5H7O2)10. This behavior is also observed for europium acetylacetonate, yttrium acetylacetonate, lanthanum acetylacetonate, and erbium acetylacetonate.[4]

Uses

Gadolinium acetylacetonate, along with cerium acetylacetonate, can be used as precursors to synthesize gadolinia-doped ceria (GDC) gel powders using the sol-gel method. [5]

References

  1. ^ "Tris(pentane-2,4-dionato-O,O')gadolinium". pubchem.ncbi.nlm.nih.gov.
  2. ^ Cheng, Shen; Yuguo, Fan; Guofa, Liu; Yutian, Wang; Pinzhe, Lu (1983). Gaodeng Xuexiao Huaxue Xuebao (Chem. J. Chin. Univ.(Chi). 4: 769. {{cite journal}}: Missing or empty |title= (help)
  3. ^ Cambridge Crystallographic Data Center, number CCDC 1443363. H. Kooijman, A. L. Spek, W. Bult, F. Nijsen.
  4. ^ Tamang, Sem Raj; Singh, Arpita; Bedi, Deepika; Bazkiaei, Adineh Rezaei; Warner, Audrey A.; Glogau, Keeley; McDonald, Corey; Unruh, Daniel K.; Findlater, Michael (2020). "Polynuclear Lanthanide–Diketonato Clusters for the Catalytic Hydroboration of Carboxamides and Esters". Nat. Catal. 3 (2): 154–162. doi:10.1038/s41929-019-0405-5.
  5. ^ "Synthesis of gadolinia-doped ceria gels and powders from acetylacetonate precursors"
Allikas: http://en.wikipedia.org/wiki/Gadolinium_acetylacetonate
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