Complex clusters the size of small proteins can be generated in reduced molybdate solutions by linking defined fragments. An example this is giant cluster (NH 4 ) 25±5 [Mo 154 (NO) 14 O 420 (OH) 28 (H 2 O) 70 ]·ca. 350 H with a molar mass more than 30000 gmol −1 , anion which shaped like tire nanodimensional cavity 20 Å diameter and has an extremely large inner outer surface as well number mobile electrons.

Co-registered molecular logic gates combine two different inputs and outputs, such as light matter. We introduce a biocompatible CO-releasing molecule (CORM, A) Mn(I) tricarbonyl complex with the ligand 5-(dimethylamino)-N, N-bis(pyridin-2-ylmethyl) naphthalene-1-sulfonamide (L). CO release is chaperoned by turn-on fluorescence can be triggered (405 nm) well hydrogen peroxide in aqueous phosphate buffer. Complex A behaves "OR" gate via co-registering of irradiation (light) (matter) into...

Coherent control of individual molecular spins in nanodevices is a pivotal prerequisite for fulfilling the potential promised by spintronics. By applying electric field pulses during time-resolved electron spin resonance measurements, we measure sensitivity several antiferromagnetic nanomagnets to external fields. We find linear dependence states Cr_{7}Mn, an ring with ground-state S=1, and frustrated Cu_{3} triangle, both coefficients about 2 rad s^{-1}/V m^{-1}. Conversely, Cr_{7}Ni,...

The reaction of the Ru(PPh3 )3 Cl2 with HL1-3 -OH (-OH stands for oxime hydroxyl group; HL1 -OH=diacetylmonoxime-S-benzyldithiocarbazonate; HL2 -OH=diacetylmonoxime-S-(4-methyl)benzyldithiocarbazonate; and HL3 -OH=diacetylmonoxime-S-(4-chloro)benzyl-dithiocarbazonate) gives three new ruthenium complexes [RuII (L1-3 -H)(PPh3 )2 Cl] (1-3) (-H imine hydrogen) coordinated dithiocarbazate as final products. All ruthenium(II) have been characterized by elemental (CHNS) analyses, IR, UV-vis, NMR (1...

A simple and controllable synthesis led to both amorphous crystalline porous TiO 2 with remarkably high surface area pore volume. Their distinctive characteristics influenced their effectiveness in photocatalytic catalytic processes.

Abstract The compounds (NMe 4 ) 5 [As 2 Mo 8 V AsO 40 ] · 3 H O 2a , (NH 21 [H 57 6 (NO) 183 (H O) 18 65 3a Me [Mo 14 3b and 12 36 108 16 33 4a ( were not correctly reported in the literature regarding to their composition, structures oxidation states of metal centres) which contain large isolated anionic species, have been prepared (among them 3a, rather high yield) characterized by complete crystal structure analysis as well IR/Raman, UV/VIS/NIR, ESR spectroscopy magnetic susceptibility...

The synthesis and magnetic properties of cobalt(II) complexes with sterically demanding Schiff-base ligands are reported. compounds [Co(L(Br))2] (1) [Co(L(Ph))2]·CH2Cl2 (2·CH2Cl2) obtained by the reaction acetate HL(Br) HL(Ph) in a dichloromethane/methanol mixture. 1 2 crystallize space groups P21212 P1̅, respectively. X-ray diffraction studies revealed mononuclear constitution both complexes. For 1, relatively short intermolecular Co-Co distances 569 pm observed. In compound 2,...

Two new transition metal thiocyanate coordination polymers with the composition [Co(NCS)2(4-vinylpyridine)2]n (1) and [Co(NCS)2(4-benzoylpyridine)2]n (2) were synthesized their crystal structures determined. In both compounds Co cations are octahedrally coordinated by two trans-coordinating 4-vinyl- or 4-benzoylpyridine co-ligands four μ-1,3-bridging thiocyanato anions linked into chains anionic ligands. While in 1 N S atoms of also trans-configuration, 2 they cis-configuration. A detailed...

Two new ferromagnetic layered Co(<sc>ii</sc>) and Ni(<sc>ii</sc>) thiocyanate coordination polymers were synthesized, structurally characterized investigated for their magnetic behavior using susceptibility measurements theoretical methods.

Abstract The cobalt(II) in [Co(NCS) 2 (4‐methoxypyridine) ] n are linked by pairs of thiocyanate anions into linear chains. In contrast to a previous structure determination, two crystallographically independent centers have been found be present. the antiferromagnetic state, below critical temperature ( T c =3.94 K) and field H =290 Oe), slow relaxations ferromagnetic chains observed. They originate mainly from defects magnetic structure, which has elucidated micromagnetic Monte Carlo...

Owing to the urgent need for therapeutic interventions against SARS-coronavirus 2 (SARS-CoV-2) pandemic, we employed an in silico approach evaluate SARS-CoV-2 inhibitory potential of newly synthesized imidazoles. The potentials compounds drug targets - main protease (Mpro), spike protein (Spro) and RNA-dependent RNA polymerase (RdRp) were investigated through molecular docking analysis. binding free energy protein-ligand complexes estimated, pharmacophore models generated absorption,...

Komplexe Cluster mit der Größe von Proteinen können in reduzierten Molybdatlösungen durch Verknüpfung definierter Fragmente entstehen. Ein Beispiel hierfür ist (NH 4 ) 25 ± 5 [Mo 154 (NO) 14 O 420 (OH) 28 (H 2 O) 70 ] · ca. 350 H einer Molmasse 30 000 g mol −1 , dessen Anion eine einzigartige reifenähnliche Struktur einem nanodimensionalen Hohlraum mehr als 20 Å Durchmesser, extrem große innere und äußere Oberfläche sowie Zahl leicht beweglicher Elektronen aufweist.

We present the synthesis and crystal structure of trinuclear copper complex [Cu3(saltag)(bpy)3]ClO4·3DMF [H5saltag = tris(2-hydroxybenzylidene)triaminoguanidine; bpy 2,2'-bipyridine]. The crystallizes in trigonal space group R3̅, with all ions being crystallographically equivalent. Analysis temperature dependence magnetic susceptibility shows that triaminoguanidine ligand mediates very strong antiferromagnetic interactions (JCuCu -324 cm(-1)). Detailed analysis magnetization data as well...

[Co(NCS)2(py)2]n (py = pyridine) is composed of ferromagnetic chains Co(ii) cations connected by double NCS bridges. The are irregular because two crystallographically inequivalent cations. coordination polyhedron the a distorted octahedron built from N and S atoms four equatorial anions apical pyridine ligands. Magnetic specific heat studies show that compound undergoes phase transition at 3.7 K to state. determined magnetic interactions, intrachain (J/kB 28 K) interchain (zJ'/kB 0.5 K),...

Carbon/polypyrrole (PPy) composites are promising electrode materials for energy storage applications such as lightweight capacitors. Although these composed of relatively inexpensive components, there is a gap knowledge regarding the correlation between surface, porosity, ion exchange dynamics, and interplay double layer capacitance pseudocapacitance. In this work we evaluate specific surface area analyzed by BET method accessible ions using electrochemical quartz-crystal microbalance...

Two different isomers of [Co(NCS)2(4-chloropyridine)2]n (3C and 3L) were synthesized from solution by thermal decomposition Co(NCS)2(4-chloropyridine)2(H2O)2 (2), which show a metal coordination leading to corrugated chains in 3C linear 3L. Solvent mediated conversion experiments prove that is thermodynamically stable at room temperature where 3L metastable. Magnetic measurements reveal the magnetic exchange comparable observed for previously reported related chain compounds, whereas with...

Here, two mixed‐ligand mononuclear [Cu(L1)py] (1), [Cu(L2)Him] (2) and one dinuclear copper(II) complex [Cu2(L3)2(DMSO)(MeOH)] (3) were isolated in solid state characterized through SC‐XRD.­ Herein, we highlight the solution behavior of these complexes medium HRMS ESR. Though maintain their integrity with respect to ligand coordination, there is solvent or co‐ligand exchange generation both [Cu(L)(py/Him)] [Cu(L)(H2O)] species. G‐quadruplex (G4‐DNA) structures human telomeric DNA (hTelo)...