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Gas-Phase Reactivity of Actinides Monocations with NH: ICP-MS Experiments Combined with a DFT Study.
Inorg Chem
November 2024
CEA, DES, ISEC, DMRC, Univ Montpellier, Bagnols-sur-Cèze, Marcoule 30200, France.
The reactivity of actinide monocations (Th, U, Np, Pu, Am, and Cm) with NH gas was studied in the reaction cell of an inductively coupled plasma-mass spectrometer (ICP-MS). Only Th, U, Np, and Cm react completely with NH to form AnNH, contrary to Pu and Am. Differences in reactivity are found between U/Pu, Pu/Cm, and Am/Cm, which could resolve isobaric interferences in ICP-MS.
View Article and Find Full Text PDFBoosting electrochemical ammonia synthesis via dynamic nitrogen carriers coupled with electron-rich Lewis acidic sites on TiO nanofiber.
J Colloid Interface Sci
February 2025
Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 200051, China.
In light of the high energy consumption and substantial carbon emissions associated with traditional NH production based on the Haber-Bosch process, the aqueous electrochemical nitrogen reduction reaction (NRR) offers a clean and sustainable alternative production route. Nevertheless, activating the NN bonds at room temperature is challenging due to the high bond energy, severely hindering the development and commercialization of the electrochemical NRR. Herein, we report a synergistic strategy for achieving efficient N activation at ambient conditions that combines electrolyte engineering with catalytic site-modulated TiO nanofiber electrocatalysts.
View Article and Find Full Text PDFUnambiguous identification of γ-aminobutyric acid adducts as novel plant biomarkers and their ultra-sensitive detection by UPLC-MS/MS for retrospective analyses of nitrogen mustards exposure.
J Hazard Mater
August 2024
State Key Laboratory of NBC Protection for Civilian, Beijing 102205, PR China. Electronic address:
Plants are widely existing in the environments and have been considered as potential sentinel species of toxic chemicals' exposure. In this study, the deadly toxic chemicals of three nitrogen mustards (NMs, including NH1, NH2 and NH3) were selected as the investigated targets. First, the reactivities of common endogenous plant components with NMs were examined in vitro.
View Article and Find Full Text PDFSynthesis, Structures, and Reactivities of BCN-Heterocyclic B-N Chains.
Inorg Chem
June 2024
School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Materials, Henan Normal University, Xinxiang, Henan 453007, China.
Article Synopsis
- BCN-heterocyclic B-N chain compounds were synthesized by reacting ethane and propane 1,2-diamineborane with sodium and potassium salts.* -
- Neutral B-N chain compounds were created through dehydrogenation reactions, and additional compounds were synthesized using pyridine derivatives instead of NH.* -
- The study involved the characterization of these compounds and their reactions with cationic B-N chains, revealing complexities in solubility and reaction mechanisms.*
The Chemical Bond at the Bottom of the Periodic Table: The Case of the Heavy Astatine and the Super-Heavy Tennessine.
Chemphyschem
August 2024
Department of Chemistry, Biology and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123, Perugia, Italy.
In this work, we study the chemical bond in molecules containing heavy and super-heavy elements according to the current state-of-the-art bonding models. An Energy Decomposition Analysis in combination with Natural Orbital for Chemical Valence (EDA-NOCV) within the relativistic four-component Dirac-Kohn-Sham (DKS) framework is employed, which allows to successfully include the spin-orbit coupling (SOC) effects on the chemical bond description. Simple halogen-bonded adducts ClX⋯L (X=At, Ts; L=NH, Br, HO, CO) of astatine and tennessine have been selected to assess a trend on descending along a group, while modulating the ClX⋯L bond features through the different electronic nature of the ligand L.
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