Chromium(III) Acetate
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Chromium(III) acetate, commonly known as basic chromium acetate, describes a family of
salt In common usage, salt is a mineral composed primarily of sodium chloride (NaCl). When used in food, especially in granulated form, it is more formally called table salt. In the form of a natural crystalline mineral, salt is also known as r ...
s where the cation has the formula r3O(O2CCH3)6(OH2)3sup>+. The trichromium cation is encountered with a variety of anions, such as chloride and nitrate. Data in the table above are for the chloride hexahydrate, r3O(O2CCH3)6(OH2)3l(H2O)6. Salts of basic chromium acetate has long attracted interest because of its distinctive structure, which features octahedral Cr(III) centers, a triply bridging oxo ligand, six
acetate An acetate is a salt formed by the combination of acetic acid with a base (e.g. alkaline, earthy, metallic, nonmetallic, or radical base). "Acetate" also describes the conjugate base or ion (specifically, the negatively charged ion called ...
ligands, and three aquo ligands. The same structure is shared with basic iron acetate and basic manganese acetate. Little evidence exists for a simple chromium(III) acetate, i.e. lacking the oxo ligand. Chromium(III) acetate is a blue/grey-green powder, which is soluble in water. It is still prepared according to the original procedure from 1909.


See also

* Chromium acetate hydroxide *
Chromium(II) acetate Chromium(II) acetate hydrate, also known as chromous acetate, is the coordination compound with the chemical formula, formula Cr2(CH3CO2)4(H2O)2. This formula is commonly abbreviated Cr2(OAc)4(H2O)2. This red-coloured compound features a quadruple ...


References

{{Acetates Chromium(III) compounds Acetates Chromium–oxygen compounds