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Bismuth(III) acetate

Summary

Bismuth(III) acetate is the coordination complex with the formula Bi(O2CCH3)3. It is a molecular compound featuring Bi bound to six oxygen ligands in a distorted polyhedral sphere. According to X-ray crystallography, the acetate ligands are bound very unsymmetrically such that three Bi-O bonds are approximately 2.3 Å in length, and three others are near 2.6 Å. The stereochemically active lone pair of electrons occupies significant portion of the coordination sphere.[1] The compound has been further characterized by solid-state NMR spectroscopy.[2]

Bismuth(III) acetate
Names
IUPAC name
Bismuth(3+) triacetate
Other names
Bismuth(III) acetate; Bismuth triacetate
Identifiers
  • 22306-37-2
3D model (JSmol)
  • Interactive image
ChemSpider
  • 28888
ECHA InfoCard 100.040.806 Edit this at Wikidata
EC Number
  • 249-426-0
  • 31132
UNII
  • 8AJA86Y692
  • InChI=1S/3C2H4O2.Bi/c3*1-2(3)4;/h3*1H3,(H,3,4);/q;;;+3/p-3
    Key: WKLWZEWIYUTZNJ-UHFFFAOYSA-K
  • CC(=O)[O-].CC(=O)[O-].CC(=O)[O-].[Bi+3]
Properties
Bi(CH3COO)3
Molar mass 386.112 g/mol
Appearance White crystals or powder
Density 2.765 g/cm3
hydrolyzes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Bismuth(III) acetate will hydrolyze to form basic bismuth acetate precipitates. This reaction is useful to separate lead and bismuth.[3]

Bi(CH3COO)3 + H2O → BiOCH3COO + 2 CH3COOH

See also edit

References edit

  1. ^ Troyanov, S. I.; Pisarevskii, A. P. (1991). "Crystal Structure of Bismuth(3+) Acetate". Koordinatsionnaya Khimiya. 17: 909-13.
  2. ^ Hamaed, Hiyam; Laschuk, Michael W.; Terskikh, Victor V.; Schurko, Robert W. (2009). "Application of Solid-State 209Bi NMR to the Structural Characterization of Bismuth-Containing Materials". Journal of the American Chemical Society. 131 (23): 8271–8279. doi:10.1021/ja901347k. PMID 19462954.
  3. ^ Benkert, Arthur L.; Smith, Edgar F. (1896). "THE SEPARATION OF BISMUTH FROM LEAD". Journal of the American Chemical Society. 18 (12): 1055–1056. doi:10.1021/ja02098a005. ISSN 0002-7863.