| Preparation and characterization of manganese(IV) in aqueous acetic acid. | |
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MedLine Citation:
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PMID: 21046054 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Mn(IV) acetate was generated in acetic acid solutions and characterized by UV-vis spectroscopy, magnetic susceptibility, and chemical reactivity. All of the data are consistent with a mononuclear manganese(IV) species. Oxidation of several substrates was studied in glacial acetic acid (HOAc) and in 95:5 HOAc-H(2)O. The reaction with excess Mn(OAc)(2) produces Mn(OAc)(3) quantitatively with mixed second-order kinetics, k (25.0 °C) = 110 ± 4 M(-1) s(-1) in glacial acetic acid, and 149 ± 3 M(-1) s(-1) in 95% AcOH, ΔH(‡) = 55.0 ± 1.2 kJ mol(-1), ΔS(‡) = -18.9 ± 4.1 J mol(-1) K(-1). Sodium bromide is oxidized to bromine with mixed second order kinetics in glacial acetic acid, k = 220 ± 3 M(-1) s(-1) at 25 °C. In 95% HOAc, saturation kinetics were observed. |
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Authors:
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Joo-Eun Jee; Oleg Pestovsky; Andreja Bakac |
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Publication Detail:
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Type: Journal Article Date: 2010-11-03 |
Journal Detail:
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Title: Dalton transactions (Cambridge, England : 2003) Volume: 39 ISSN: 1477-9234 ISO Abbreviation: Dalton Trans Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-11-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101176026 Medline TA: Dalton Trans Country: England |
Other Details:
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Languages: eng Pagination: 11636-42 Citation Subset: - |
Affiliation:
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Ames Laboratory, Iowa State University, Ames, IA 50011, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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