Chemistry:Gadolinium acetate

From HandWiki
Gadolinium acetate
Gadolinium(III) acetate.jpg
Names
Other names
Gadolinium ethanoate
Identifiers
Properties
Gd(CH3COO)3
Appearance colorless crystal or white powder
Density 1.611 g·cm−3 (hydrate)
9.7 g[clarification needed]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Gadolinium acetate is the acetate salt of the lanthanide element gadolinium, with the chemical formula Gd(CH3COO)3. It is a colorless crystal that is soluble in water and can form a hydrate.[1] Its tetrahydrate has ground state ferromagnetism.[2]

Preparation

The tetrahydrate of gadolinium acetate can be crystallized from aqueous solution by reaction of gadolinium oxide and acetic acid:[2]

Gd2O3 + 6 HOAc + 5 H2O → [(Gd(OAc)3(H2O)2)2]·4H2O

Properties

The complex [Gd4(CH3COO)4(acac)8(H2O)4] can be obtained by the reflux reaction of gadolinium acetate and acetylacetone in the presence of triethylamine in methanol solution.[3]

References

  1. Справочник химика. 2 (3-е изд., испр ed.). Л.: Химия. 1971. 
  2. 2.0 2.1 Stephan T. Hatscher, Werner Urland (2003). "Unexpected Appearance of Molecular Ferromagnetism in the Ordinary Acetate [Gd(OAc)3(H2O)22⋅4 H2O"]. Angewandte Chemie International Edition 42 (25): 2862–2864. doi:10.1002/anie.200250738. ISSN 1521-3773. PMID 12833342. https://www.onlinelibrary.wiley.com/doi/abs/10.1002/anie.200250738. Retrieved 2019-02-01. 
  3. Fu-Sheng Guo, Ji-Dong Leng, Jun-Liang Liu, Zhao-Sha Meng, Ming-Liang Tong (2012-01-02). "Polynuclear and Polymeric Gadolinium Acetate Derivatives with Large Magnetocaloric Effect". Inorganic Chemistry 51 (1): 405–413. doi:10.1021/ic2018314. ISSN 0020-1669. PMID 22145780. https://doi.org/10.1021/ic2018314. Retrieved 2019-02-01.