Bismuth(III) acetate

Bismuth(III) acetate
Names
	IUPAC name Bismuth(3+) triacetate
	Other names Bismuth(III) acetate; Bismuth triacetate
Identifiers
CAS Number	22306-37-2;
3D model (JSmol)	Interactive image;
ChemSpider	28888;
ECHA InfoCard	100.040.806
EC Number	249-426-0;
PubChem CID	31132;
UNII	8AJA86Y692;
	InChI InChI=1S/3C2H4O2.Bi/c31-2(3)4;/h31H3,(H,3,4);/q;;;+3/p-3 Key: WKLWZEWIYUTZNJ-UHFFFAOYSA-K;
	SMILES CC(=O)[O-].CC(=O)[O-].CC(=O)[O-].[Bi+3];
Properties
Chemical formula	Bi(CH3COO)3
Molar mass	386.112 g/mol
Appearance	White crystals or powder
Density	2.765 g/cm3
Solubility in water	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 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 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

References

^ Troyanov, S. I.; Pisarevskii, A. P. (1991). "Crystal Structure of Bismuth(3+) Acetate". Koordinatsionnaya Khimiya. 17: 909-13.
^ 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.
^ 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.

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[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.

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See also

References