Manganese than one minute. The primary decay mode before the most abundant stable isotope, Mn, is electron capture and the primary mode after is beta decay. Manganese also has three meta states. Manganese is part of the iron group of elements, which are thought to be synthesized in large stars shortly before the supernova explosion. Mn decays to Cr with a half-life of 3.7 million years. Because of its relatively short half-life, Mn is relatively rare, produced by cosmic rays impact on iron. Manganese isotopic contents are typically combined with chromium isotopic contents and have found application in isotope geology and
Manganese(III) acetate Manganese(III) acetate Manganese(III) acetate describes a family of coordination complexes with the approximate formula Mn(OCCH). All are brown solids, which are soluble in acetic acid and water. These compounds are used in organic synthesis as oxidizing agents. Compounds with the formula Mn(OCCH) have not been verified. Instead manganese(III) acetate adopts the structure reminiscent of those of basic chromium acetate and basic iron acetate. For this reason, manganese(III) acetate is sometimes referred to as basic manganese acetate. The formula is [MnO(OCCH)L]X where L is a ligand and X is an anion. The coordination polymer [MnO(OCCH)]OCCHHOCCH has been crystallized. It is usually