We report on the synthesis and crystal structure of solvent-free coordination polymer CoII(2,5-DMT) (1) with 2,5-DMT ≡ 2,5-dimethoxyterephthalate which is isostructural to already reported MnII ZnII congeners (C2/c, Z = 4). In contrast, for M MgII, a MOF DMF-filled pores obtained, namely Mg2(2,5-DMT)2(DMF)2 (2) (P1¯, 2). Attempts remove these solvent molecules record gas sorption isotherm did n...

The ability of tetraazalene radical bridging ligands to mediate exceptionally strong magnetic exchange coupling across a range of transition metal complexes is demonstrated. The redox-active bridging ligand N,N',N'',N'''-tetra(2-methylphenyl)-2,5-diamino-1,4-diiminobenzoquinone (NMePhLH2) was metalated to give the series of dinuclear complexes [(TPyA)2M2(NMePhL2-)]2+ (TPyA = tris(2-pyridylmethy...

The Cover Feature shows the photocatalytic hydrogen production by dual Ru(II)-dye sensitized layered niobate oxide with intercalated Pt cocatalyst in presence of redox-reversible M-substituted polyoxometalate anions (M-POM, M = VIV, MnII). In their Research Article, A. Kobayashi and co-workers found that activity is remarkably higher MnII-POM aq. than VIV-POM despite comparable redox potentials...

While MnII complexes meet increasing interest in biomedical applications, ligands are lacking that enable high complex stability and selectivity vs. ZnII, the most relevant biological competitor. We report here two new bispidine derivatives, which provide rigid large coordination cavities perfectly match size of MnII, yielding eight-coordinate with record stabilities. In contrast, smaller ZnII ...

Photoelectrochemical Oxidation of a Turn-On Fluorescent Probe Mediated by a Surface MnII Catalyst Covalently Attached to TiO2 Nanoparticles Alec C. Durrell, Gonghu Li, Matthieu Koepf, Karin J. Young, Christian F. A. Negre, Laura J. Allen, William R. McNamara, Hee-eun Song, Victor S. Batista, Robert H. Crabtree, and Gary W. Brudvig* Department of Chemistry, Yale University, P. O. Box 208107, New...

introduction: natural organic matters (noms) existing in water resources led to various problems such as formation of disinfectant by-products (dbps). humic matters like humic acid (ha) are component of noms that should be removed from water. advanced oxidation process (aops) is one of the noms removal methods. the aim of this study was to survey the degradation of humic acid by electron beam i...

Introduction: Natural organic matters (NOMs) existing in water resources led to various problems such as formation of disinfectant by-products (DBPs). Humic matters like humic acid (HA) are component of NOMs that should be removed from water. Advanced oxidation process (AOPs) is one of the NOMs removal methods. The aim of this study was to survey the degradation of humic acid by electron beam i...

Adres do korespondencji: dr n. med. Beata Kieć-Wilk, Katedra Biochemii Klinicznej, Uniwersytet Jagielloński Collegium Medicum, ul. Kopernika 15a, 31-501 Kraków, tel.: +48 12 421 87 92, e-mail: [email protected] Praca wpłynęła: 30.06.2009. Zaakceptowana do druku: 01.07.2009. Praca powstała w ramach realizacji projektu Ministerstwa Nauki i Informatyzacji (MNiI) nr N401 008 31/0143 (0143/P01/2...

[MnIV3(micro-O)4(phen)4(H2O)2]4+ (, phen=1,10-phenanthroline) equilibrates with its conjugate base [Mn3(micro-O)4(phen)4(H2O)(OH)]3+ in aqueous solution. Among the several synthetic multinuclear oxo- and/or carboxylato bridged manganese complexes known to date containing metal-bound water, to the best of our knowledge, only deprotonates (right harpoon over left harpoon+H+, pKa=4.00 (+/-0.15) at...

The development of synthetic approaches towards new mixed-ligand metal organic frameworks (MOFs) has been attracting considerable attention recently as they display fascinating properties due to the synergistic effect between different ligands. Herein, initial combination pyridine-2,6-dimethanol (H2pdm) with benzene-1,4-dicarboxylic acid (H2bdc) provided access three MOFs, [M3(bdc)2(Hpdm)2]n (M...