Activation of robust bonds by carbonyl complexes of Mn, Fe and Co
Historic discoveries and recent advances in activation of strong C–H, C–F, and C–O bonds using carbonyl complexes of Mn, Fe, and Co are reviewed.
Chemistry↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Electrocatalytic CO 2 reduction to formate by a cobalt phosphino–thiolate complex
The activity of a cobalt phosphino–thiolate complex towards the electrochemical reduction of CO 2 in the presence of H 2 O is observed to produce formate with a selectivity as high as 94%, displaying negligible current degradation over long-term electrolyses.
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
Assembly of a trapped valent Ce III/IV –TCNQ complex through metal–ligand redox cooperativity
A trapped-valent Ce III/IV –TCNQ complex is assembled through Lewis acid-promoted donor–acceptor potential shifts providing a magnetic and luminescent compound.
Chemistry↗
CO 2 cleavage by tantalum/M (M = iridium, osmium) heterobimetallic complexes
A novel Ta/Os complex [Ta(CH 2 t Bu) 3 (μ-H) 3 OsCp*], and its iridium analogue [Ta(CH 2 t Bu) 3 (μ-H) 2 IrCp*], efficiently cleave CO 2 under mild conditions, forming tantalum oxo species and CpIr(CO)H 2 or CpOs(CO)H 3 .
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
Modulation of Fe–Fe distance and spin in diiron complexes using tetradentate ligands with different flanking donors
Here we report the synthesis and characterization of diiron complexes containing triaryl N 4 and N 2 S 2 ligands derived from o -phenylenediamine.
Chemistry↗
Synthesis and characterization of tetrapodal nickel complexes with adaptable ligand binding geometries
This study explores the versatile binding properties of a tetrapodal ligand framework with nickel, demonstrating ligand fluxionality through the interconversions of several complexes.
Chemistry↗
Cerium( iii ) yldiide complexes with divergent CO reactivity
Synthesis of cerium yldiide complexes and their reactivity with CO is demonstrated.
Gremillion, Alexander J. [Department of Chemistry,↗
Correction: Impacts of trace level chromium on formation of superoxide within uranyl triperoxide complexes
Correction for ‘Impacts of trace level chromium on formation of superoxide within uranyl triperoxide complexes’ by Sarah K. Scherrer et al. , Chem. Commun. , 2024, 60 , 10584–10587, https://doi.org/10.1039/D4CC03194F.
Scherrer, Sarah K. [Department of Chemistry, Unive↗
Quantum effects in CH activation with [Cu 2 O 2 ] 2+ complexes
Examining the importance of tunneling in the oxo-insertion and radical recombination mechanisms of CH hydroxylation with dicopper-dioxo complexes.
Bac, Selin↗
On the stability constants of metal–nitrate complexes in aqueous solutions
Stability constants of simple reactions involving addition of the NO 3 − ion to hydrated metal complexes, [M(H 2 O) x ] n + are calculated with a computational workflow developed using cloud computing resources.
Dinpajooh, Mohammadhasan [Physical & Computational↗
Correction: Impact of lanthanide ion complexation and temperature on the chemical reactivity of N , N , N ′, N ′-tetraoctyl diglycolamide (TODGA) with the dodecane radical cation
Correction for ‘Impact of lanthanide ion complexation and temperature on the chemical reactivity of N , N , N ′, N ′-tetraoctyl diglycolamide (TODGA) with the dodecane radical cation’ by Gregory P. Horne et al. , Phys. Chem. Chem. Phys. , 2023, 25 , 16404–16413, https://doi.org/10.1039/D3CP01119D.
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEA↗
Direct O 2 mediated oxidation of a Ni( ii )N 3 O structural model complex for the active site of nickel acireductone dioxygenase (Ni-ARD): characterization, biomimetic reactivity, and enzymatic implications
A structural and functional biomimetic Ni( ii )N 3 O complex, capable of O 2 mediated dioxygenase like C–C bond cleavage, via a putative high-valent Ni intermediate.
Kirsch, Kelsey E.↗
Macrocyclic control of electron transfer to high valent uranium in heterobimetallic complexes
Macrocyclic uranyl complexes have been prepared that incorporate a range of secondary metal cations. Structural and spectroscopic studies have been used to study how the cations and macrocyclic structure influence the [UO 2 ] core moiety.
Kumar, Amit [Department of Chemistry, University o↗
Tuning the charge transport properties of non-planar zinc( ii ) complexes of azadipyrromethenes using solubilizing groups
Side chain engineering of non-planar zinc( ii ) complexes of azadipyrromethene enables either very high hole mobility, high electron mobility or both as estimated by the space-charge limited current (SCLC) method in diodes.
36 MATERIALS SCIENCE↗
Phase stability, electronic, mechanical, lattice distortion, and thermal properties of complex refractory-based high entropy alloys TiVCrZrNbMoHfTaW with varying elemental ratios
This study examines the intricate area of refractory-based high entropy alloys (RHEAs), focusing on a series of complex compositions involving nine diverse refractory elements: Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, and W.
Chemistry↗
Direct observation of β-alkynyl eliminations from unstrained propargylic alkoxide Cu( i ) complexes by C–C bond cleavage
We report a comprehensive study on the synthesis, reactivity, mechanism, and computation for the β-alkynyl eliminations of secondary and tertiary propargylic alkoxides of Cu( i ) complexes supported by N-heterocyclic carbenes and diphosphines.
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
Coherent spin-control of S = 1 vanadium and molybdenum complexes
Enabling coherent spin-control in integer spin complexes with molecular color center design.
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
Tetrapodal iron complexes invoke observable intermediates in nitrate and nitrite reduction
This study examines nitrate and nitrite reduction by a tetrapodal iron complex, identifying key intermediates in the reaction via a bimetallic mechanism.
Moore, Jewelianna M. [Department of Chemistry, Tex↗