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MANGANESE(III) COMPLEX

Control of the axial coordination of a surface confined manganese (III) porphyrin complex

Control of the axial coordination of a surface confined manganese (III) porphyrin complex

... temperature, forming an ordered molecular overlayer described by a square unit cell. In accordance with the three-fold symmetry of the Ag(111) surface, three rotationally equivalent domains of the molecular overlayer are ...

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New Dinuclear Methoxo-Bridged Manganese(III) complex: Synthesis, Characterization and Usage as New Precursor for Synthesis of Mn2O3 Particles

New Dinuclear Methoxo-Bridged Manganese(III) complex: Synthesis, Characterization and Usage as New Precursor for Synthesis of Mn2O3 Particles

... Schiff base compounds, as chelating ligands, played an important role in the development of coordination chemistry [1-6].They were coordinated to the transition metal ions to form Schiff base complexes with interesting ...

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Tris­[2 (cyclo­propyl­imino­methyl)­phenolato]­manganese(III)

Tris­[2 (cyclo­propyl­imino­methyl)­phenolato]­manganese(III)

... 1981). Manganese plays an important role in biological redox-active systems (Larson & Pecoraro, 1991; Gohdes & Armstrong, ...mononuclear manganese(III) complex, (I), is reported ...

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Synthesis and Characterization of Manganese (IV) Complexes of Polyfunctional Dihydrazones Containing Amide, Azomethine and Phenol Functions

Synthesis and Characterization of Manganese (IV) Complexes of Polyfunctional Dihydrazones Containing Amide, Azomethine and Phenol Functions

... tetramanganese complex (the oxygen evolving complex, OEC) serves as an electron donor ...of manganese is as the active catalytic centre in mitochondrial and several bacterial superoxide dismutases ...

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Some Novel Manganese(III) Mixed Ligand Complexes and its Decolourization Studies

Some Novel Manganese(III) Mixed Ligand Complexes and its Decolourization Studies

... The purity of these complexes was checked in our laboratory by TLC method using Silica gel on glass plates. The mobile phase was dichloromethane and methanol 7:3 (v/v). Detection was made by keeping the TLC glass plates ...

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A dimeric manganese(II) complex bridged by 4 amino­benzoate

A dimeric manganese(II) complex bridged by 4 amino­benzoate

... of the Mn and O3 atoms, the shorter Mn—O3 bond distance (Table 1) shows the normal bonding interaction between them. This is consistent with the situation found in an Mn II complex with salicylate (Su & Xu, ...

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Synthesis and structural characterization studies of cobalt(III), manganese(III) and iron(III) schiff base complexes

Synthesis and structural characterization studies of cobalt(III), manganese(III) and iron(III) schiff base complexes

... the complex were related to the unit cell parameters and Miller indices assigned to the individual reflections with the help of expressions involving sin 2 θ ...3 complex indicated that it has ...

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Bis(2 methyl­imidazolium) bis­­(2 methyl­imidazole κN)bis­­(salicylato κ2O,O′)manganese(III) bis­­(methanol κO)bis­­(salicylato κ2O,O′)manganese(III) methanol disolvate

Bis(2 methyl­imidazolium) bis­­(2 methyl­imidazole κN)bis­­(salicylato κ2O,O′)manganese(III) bis­­(methanol κO)bis­­(salicylato κ2O,O′)manganese(III) methanol disolvate

... Transition-metal complexes incorporating imidazole or its derivatives have been widely studied because they occur in some biological systems (Bhirud & Srivastava, 1990; Rettig et al. 1999; Baca et al., 2003). We ...

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Activation of Methanes by Doubly Charged Metal Dication Complexes in the Gas Phase

Activation of Methanes by Doubly Charged Metal Dication Complexes in the Gas Phase

... phase manganese cluster dicationic complex was due to repulsive interaction of the partial charge on the hydrogen atom with the positive charge at the metal ...the manganese - methane (Mn-C) distance ...

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Tetra­aqua(1,10 phenanthroline N,N′)­manganese(II) dinitrate

Tetra­aqua(1,10 phenanthroline N,N′)­manganese(II) dinitrate

... There are three manganese enzymes containing a mono- nuclear manganese site, viz. superoxide dismutase, peroxidase and dioxygenase, which participate in redox changes in the respective areas of biology (Law ...

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Alizarine Yellow R as Reagent of the Determination of Manganese by Extraction Photometric Method

Alizarine Yellow R as Reagent of the Determination of Manganese by Extraction Photometric Method

... of manganese in the form of inorganic compounds are ...heteroligand complex of manganese with 4,7-diphenyl-1,10-phenantroline (BPhen) from heterocyclic diamines and with alizarine yellow R (AlR) from ...

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Bis(acetyl­acetonato κ2O,O′)(methanol κO)(thio­cyanato κN)manganese(III)

Bis(acetyl­acetonato κ2O,O′)(methanol κO)(thio­cyanato κN)manganese(III)

... atom has a slightly distorted octahedral coordination formed by five O atoms and one N atom. The equatorial positions are occupied by four O atoms of two acetylacetonate ligands, while the axial positions are occupied by ...

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Synthetic, Spectral, Electrical and Antibacterial Studies on Titanium (III), Manganese(III) and iron (III) Complexes Containing Diabasic Tetradentate Schiff Bases

Synthetic, Spectral, Electrical and Antibacterial Studies on Titanium (III), Manganese(III) and iron (III) Complexes Containing Diabasic Tetradentate Schiff Bases

... All the reagents used were of highest purity, AR grade or equivalent. Solvents were purified and dried before use according to standard procedure. The compounds used for the preparation of schiff bases were procured from ...

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Complex Formation Reactions of Scandium(III), Yttrium(III) and Lanthanum(III) Complexes with 8-Hydroxyquinoline

Complex Formation Reactions of Scandium(III), Yttrium(III) and Lanthanum(III) Complexes with 8-Hydroxyquinoline

... Scandium(Sc(III)), yttrium(Y(III) and lanthanum(La(III)) are elements of the group 3B in the periodic table. Being in the main group, these elements lose all their 3 valence electrons and form a ...

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Bis(ethano­lato κO)(5,10,15,20 tetra­phenyl­calix[4]pyrrole)manganese(III) hexa­fluoro­phosphate

Bis(ethano­lato κO)(5,10,15,20 tetra­phenyl­calix[4]pyrrole)manganese(III) hexa­fluoro­phosphate

... from manganese(III) 2,4-pentanedionate and 5,10,15,20-tetraphenylcalix[4]pyrrole by a hydrothermal reac- ...Mn III atom is located on an inversion centre and the asymmetric unit comprises one ...

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Manganese(III) Acetate Mediated Synthesis of 3-Arylsulfenylindoles and Evaluation of Their Antibacterial Activity

Manganese(III) Acetate Mediated Synthesis of 3-Arylsulfenylindoles and Evaluation of Their Antibacterial Activity

... The present work reports a simple and efficient method for the sulfenylation of a wide variety of indoles with aryl, benzothiazolethiols using manganese(III) acetate promoted free radical reaction. This ...

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{Tris[2 (5 bromo 2 oxido­benzyl­­idene­amino)eth­yl]amine}manganese(III)

{Tris[2 (5 bromo 2 oxido­benzyl­­idene­amino)eth­yl]amine}manganese(III)

... Data collection: SMART Bruker, 2000; cell refinement: SAINT Bruker, 2000; data reduction: SAINT; programs used to solve structure: SHELXS97 Sheldrick, 2008; programs used to refine struc[r] ...

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Bis[(2 pyrid­yl)(2 pyridyl­amino)­methano­lato]manganese(III) nitrate

Bis[(2 pyrid­yl)(2 pyridyl­amino)­methano­lato]manganese(III) nitrate

... is coordinated by the two tridentate (2-pyridyl)(2-pyridyl- amino)methanolate ligands, forming a six-coordinate environ- ment. The four pyridyl N atoms constitute the equatorial plane on which the ...

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Reductive microbial dissolution of manganese nodules as a possible hazard of deep-sea mining

Reductive microbial dissolution of manganese nodules as a possible hazard of deep-sea mining

... It is assumed that the Mn (IV} and Fe (III) compounds of the manganese nodules are reduced by the numerous aerobic bacteria at the sediment/water interface as soon as[r] ...

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Pełny       tekst – pdf.                  DOI:10.5601/J ELEM.2011.16.1.06

Pełny tekst – pdf. DOI:10.5601/J ELEM.2011.16.1.06

... and micronutrients to meet requirements of lettuce, was used as a substrate. Each experi- ment included 26 combinations comprising 4 replications each. A container with 4 lettuce plants constituted one replication. ...

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