Tetra-MnIII-Containing 30-Tungsto-4-phosphate, [MnIII4(H2O)2(P2W15O56)2]12-: Synthesis, Structure, XPS, Magnetism, and Electrochemical Study.
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DOI: 10.1021/acs.inorgchem.0c01231
Abstract: Reaction of the mixed-valent Mn12-acetato complex [MnIII8MnIV4O12(CH3COO)16(H2O)4] with the trilacunary Wells-Dawson-type heteropolytungstate [P2W15O56]12- in acidic acetate solution (pH 1.1) resulted in the tetra-MnIII-containing polyanion [MnIII4(H2O)2(P2W15O56)2]12- (1). Single-crystal XRD on Na12[MnIII4(H2O)2(P2W15O56)2]·84H2O (1a) revealed that four MnIII… read more here.
Keywords: h2o p2w15o56; mniii; h2o; mniii containing ... See more keywords
Effect of Lewis Acids on the Structure and Reactivity of a Mononuclear Hydroxomanganese(III) Complex.
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DOI: 10.1021/acs.inorgchem.9b02980
Abstract: The addition of Sc(OTf)3 and Al(OTf)3 to the mononuclear MnIII-hydroxo complex [MnIII(OH)(dpaq)]+ (1) gives rise to new intermediates with spectroscopic properties and chemical reactivity distinct from those of [MnIII(OH)(dpaq)]+. The electronic absorption spectra of [MnIII(OH)(dpaq)]+… read more here.
Keywords: sciii aliii; dpaq; effect lewis; mniii ... See more keywords
The first alternating MnII–MnIII 1D chain: structure, magnetic properties and catalytic oxidase activities
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DOI: 10.1039/c8nj00414e
Abstract: An unprecedented one-dimensional mixed-valence chain, [{MnIII(L)2}{MnII(bpy)2}(ClO4)(H2O)0.5]∞ (H2L = N-salicylidene-L-alanine and bpy = 2,2′-bipyridine), has been synthesized. The complex has been characterized by elemental analysis, IR spectroscopy, single-crystal X-ray diffraction analysis, and variable-temperature magnetic measurements. The… read more here.
Keywords: chain; mnii; alternating mnii; mnii mniii ... See more keywords
Characterization and chemical reactivity of room-temperature-stable MnIII–alkylperoxo complexes
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DOI: 10.1039/d1sc01976g
Abstract: While alkylperoxomanganese(iii) (MnIII–OOR) intermediates are proposed in the catalytic cycles of several manganese-dependent enzymes, their characterization has proven to be a challenge due to their inherent thermal instability. Fundamental understanding of the structural and electronic… read more here.
Keywords: mniii oor; mniii; reactivity; oor complexes ... See more keywords
A large negative magnetoresistance effect in semiconducting crystals composed of an octahedrally ligated phthalocyanine complex with high-spin manganese(iii)
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DOI: 10.1039/d2ra00188h
Abstract: A design for an octahedrally ligated phthalocyanine complex with high-spin manganese(iii) (S = 2) and MnIII(Pc)Cl2 (Pc = phthalocyanine) is presented. The presence of high-spin state MnIII in the fabricated Ph4P[MnIII(Pc)Cl2]2 (Ph4P = tetraphenylphosphonium) semiconducting… read more here.
Keywords: octahedrally ligated; effect; high spin; mniii ... See more keywords
Reaction of a nitrosyl complex of Mn(II)-porphyrinate with superoxide: NOD activity is favoured over SOD activity.
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DOI: 10.1039/d3dt00570d
Abstract: A five-coordinated {Mn(NO)}6 complex of Mn(II)-porphyrinate, [Mn(TMPP2-)(NO)], 1 {TMPPH2 = 5,10,15,20-tetrakis(4-methoxyphenyl)porphyrin}, upon reaction with two equivalents of superoxide (O2-) in THF at -40 °C results in the corresponding MnIII-OH complex [MnIII(TMPP2-)(OH)], 2, via the formation… read more here.
Keywords: superoxide; complex porphyrinate; equivalent superoxide; reaction ... See more keywords