The Mn(II) atom in the title complex, [Mn(NCS)(2)(C(14)H(13)NO(2))(2)], lies on a center of inversion in a MnO(4)N(2) octa-hedral geometry. The Schiff base is present in its zwitterionic form and is O,O'-chelated to the metal atom. The imino N atom is protonated and is involved in an intra-molecular hydrogen bond with the phenolate O atom.
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http://dx.doi.org/10.1107/S1600536811009330 | DOI Listing |
J Fluoresc
January 2025
The Key Laboratory for Surface Engineering and Remanufacturing in Shaanxi Province, Key Laboratory of Chemistry of New Material of Functional Inorganic Composites, School of Chemical Engineering, Xi'an University, Xi'an, Shaanxi, China.
Methylene blue (MB) contamination has become a significant environmental issue due to its widespread presence in industrial effluents, posing serious threats to ecosystems and human health. As a result, there is an urgent need for the development of novel adsorbent materials that can effectively remove these pollutants from water sources. In this context, the present study focuses on the design and synthesis of two coordination polymers (CPs) containing Zn(II) and Mn(II), namely, {[Mn(L)(tib)]·4HO} (1) and [Zn(L)(3,5-bibp)] (2), using a combined-ligand approach under solvothermal conditions.
View Article and Find Full Text PDFInorg Chem
December 2024
Department of Chemistry, University of Kalyani, Nadia, Kalyani, West Bengal 741235, India.
A novel heterometallic trinuclear cluster [CuMn(cpdp)(NO)(Cl)] () has been designed and synthesized by employing a molecular library approach that uses CuCl·2HO and Mn(NO)·4HO as inorganic metal salts and Hcpdp as a multifunctional organic scaffold (Hcpdp = ,'-bis[2-carboxybenzomethyl]-,'-bis[2-pyridylmethyl]-1,3-diaminopropan-2-ol). This heterometallic cluster has emerged as an unusual ferromagnetic material and promising electrocatalyst for hydrogen evolution reaction (HER) in the domain of inorganic and materials chemistry. Crystal structure analysis establishes the structural arrangement of , revealing a butterfly-like topology with an unusual seven-coordinated Mn(II) center.
View Article and Find Full Text PDFBiochem J
December 2024
Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
Inorg Chem
November 2024
Department of Chemistry and Center for Environmentally Beneficial Catalysis, The University of Kansas, 1567 Irving Hill Road, Lawrence, Kansas 66045, United States.
The oxidation of manganese complexes using ceric ammonium nitrate (CAN) is often complicated by the fact that cerium(IV) can serve as both an oxidant and a Lewis acid. In this work, we explore the reaction of CAN with the Mn complex [Mn(OTf)(N4py)](OTf) (N4py = ,-bis(4-methoxy-3,5-dimethyl-2-pyridylmethyl)--bis(2-pyridyl)methylamine). We chose this complex as multiple oxidation products, including oxomanganese(IV) and bis(μ-oxo)dimanganese(III,IV) complexes, have previously been reported.
View Article and Find Full Text PDFJ Phys Chem A
October 2024
Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India.
Exploring the electronic structure and dynamic behavior of Mn(II) complexes reveals fascinating magnetic properties and prospective biomedical applications. In this study, we investigate the solvent phase dynamics of heptacoordinated Mn(II) complexes through ab initio molecular dynamics simulations and density functional theory (DFT) calculations with effectively varying temperatures. We observed that the complex with high stability ([Mn(pmpa)(HO)]) remains relatively rigid as the temperature increases to 90 °C, with only a minor change in its radial distribution functions (RDFs), compared to the RDF peaks at 25 °C.
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