RSC Advances  

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Quantum & theoretical articles published in the last 6 months

92 items - Showing page 1 of 4
Open Access Paper

Alchemical approach performance in calculating the ligand-binding free energy

FEP calculation performance depends on the considered targets.

Graphical abstract: Alchemical approach performance in calculating the ligand-binding free energy
Open Access Paper

Theoretical and modelling investigation of pendant groups effect on quantum interference for single-molecule junctions

Impacts of meta-connectivity and pendant groups are robust parameters controlling the destructive quantum interference (DQI) and improve thermoelectric properties of meta-OPE molecules making them suitable materials for thermoelectric applications.

Graphical abstract: Theoretical and modelling investigation of pendant groups effect on quantum interference for single-molecule junctions
Open Access Paper

Kill two birds with one stone: simultaneous removal of volatile organic compounds and ozone secondary pollution by a novel photocatalytic process

Synergistic treatment of VOCs and O3 secondary pollution in the optimal photocatalytic reactor.

Graphical abstract: Kill two birds with one stone: simultaneous removal of volatile organic compounds and ozone secondary pollution by a novel photocatalytic process
Open Access Paper

The role of aldehydes on sulfur based-new particle formation: a theoretical study

The acidity of the acid, the nature of nucleophilic agents, the type of aldehyde, proton transferall play significant roles in the nucleation process of aldehyde-sulfur-based particles.

Graphical abstract: The role of aldehydes on sulfur based-new particle formation: a theoretical study
Open Access Paper

Origin of 17O NMR chemical shifts based on molecular orbital theory: paramagnetic terms of the pre-α, α and β effects from orbital-to-orbital transitions, along with the effects from vinyl, carbonyl and carboxyl groups

The plain rules founded in theory, other than the empirical rules, were established for the origin of δ(O) to understand the mechanisms to arise 17O NMR chemical shifts, based on the MO theory, where the pre-α, α and β effects were employed for the purpose, which were analyzed mainly by σp(O).

Graphical abstract: Origin of 17O NMR chemical shifts based on molecular orbital theory: paramagnetic terms of the pre-α, α and β effects from orbital-to-orbital transitions, along with the effects from vinyl, carbonyl and carboxyl groups
Open Access Paper

Characteristics of nonconventional hydrogen bonds and stability of dimers of chalcogenoaldehyde derivatives: a noticeable role of oxygen compared to other chalcogens

The blue-shift is found in the Csp2–H⋯O hydrogen bond, while the red-shift is observed in Csp2–H⋯S/Se/Te ones.

Graphical abstract: Characteristics of nonconventional hydrogen bonds and stability of dimers of chalcogenoaldehyde derivatives: a noticeable role of oxygen compared to other chalcogens
Open Access Paper

Aluminium phosphide (Al12P12) nanocage as a potential sensor for volatile organic compounds: A DFT study

The potentiality of the aluminium phosphide (Al12P12) nanocage as a prospective sensor material towards methanol (MeOH) and ethanol (EtOH) molecules was investigated using density functional theory computations.

Graphical abstract: Aluminium phosphide (Al12P12) nanocage as a potential sensor for volatile organic compounds: A DFT study
Open Access Paper

First principle study of scandium-based novel ternary half Heusler ScXGe (X = Mn and Fe) alloys: insight into the spin-polarized structural, electronic, and magnetic properties

Total and partial DOS of non-degenerate deg and dt2g states of (a) ScMnGe and (b) ScFeGe Heusler alloys.

Graphical abstract: First principle study of scandium-based novel ternary half Heusler ScXGe (X = Mn and Fe) alloys: insight into the spin-polarized structural, electronic, and magnetic properties
Open Access Paper

Supramolecular complexation of phenylephrine by cucurbit[7]uril in aqueous solution

Stable host–guest complexation between phenylephrine and cucurbit[7]uril macrocycle in water is reported.

Graphical abstract: Supramolecular complexation of phenylephrine by cucurbit[7]uril in aqueous solution
Open Access Paper

Use of benzothiophene ring to improve the photovoltaic efficacy of cyanopyridinone-based organic chromophores: a DFT study

The benzothiophene based chromophores (A1D1–A1D5) with A–π–A configuration were designed via end-capped tailoring with benzothiophene type acceptors using reference compound (A1R).

Graphical abstract: Use of benzothiophene ring to improve the photovoltaic efficacy of cyanopyridinone-based organic chromophores: a DFT study
Open Access Paper

A prediction model for CO2/CO adsorption performance on binary alloys based on machine learning

Machine-learning models were constructed to accurately predict CO2 and CO adsorption affinity on a wide range of binary alloying.

Graphical abstract: A prediction model for CO2/CO adsorption performance on binary alloys based on machine learning
Open Access Paper

Agri-waste derived electroactive carbon–iron oxide nanocomposite for oxygen reduction reaction: an experimental and theoretical study

Herein, we have utilized agri-waste and amalgamating low Fe3+, to develop an economic iron oxide–carbon hybrid-based electrocatalyst for oxygen reduction reaction (ORR) with water as a main product following close to 4e− transfer process.

Graphical abstract: Agri-waste derived electroactive carbon–iron oxide nanocomposite for oxygen reduction reaction: an experimental and theoretical study
Open Access Paper

Experimental and theoretical studies of the LiBH4–LiI phase diagram

The hexagonal structure of LiBH4 at room temperature can be stabilised by substituting the BH4− anion with I−, leading to high Li-ion conductive materials.

Graphical abstract: Experimental and theoretical studies of the LiBH4–LiI phase diagram
Open Access Paper

Keto–enol equilibrium: stable tautomers of ortho-, meta-, and para-hydroquinones in large aromatics

Keto–enol tautomerism of hydroquinones was studied for fused aromatic compounds. For larger fused aromatic compounds the dione tautomer was the stable form. These experimental results were corroborated by calculations.

Graphical abstract: Keto–enol equilibrium: stable tautomers of ortho-, meta-, and para-hydroquinones in large aromatics
Open Access Paper

Influences of Ru and ZrO2 interaction on the hydroesterification of styrene

Interfacial Lewis acid–base pairs are commonly found in ZrO2-supported metal catalysts due to the facile generation of oxygen vacancies of ZrO2.

Graphical abstract: Influences of Ru and ZrO2 interaction on the hydroesterification of styrene
Open Access Paper

Mechanism of cationic ring-opening polymerisation of ε-caprolactone using metallocene/borate catalytic systems: a DFT and NCI study on chain initiation, propagation and termination

DFT and NCI studies provide a detailed mechanism of cationic ROP of ε-caprolactone by metallocene/borate catalysts and capture weak interactions at the contacts between the borate counteranions and the cationic species.

Graphical abstract: Mechanism of cationic ring-opening polymerisation of ε-caprolactone using metallocene/borate catalytic systems: a DFT and NCI study on chain initiation, propagation and termination
Open Access Paper

Metamagnetism and canted antiferromagnetic ordering in two monomeric CoII complexes with 1-(2-pyrimidyl)piperazine. Hirshfeld surface analysis and theoretical studies

The current research presents the magnetic properties of two cobalt complexes and theoretical studies have been used to explain this behavior.

Graphical abstract: Metamagnetism and canted antiferromagnetic ordering in two monomeric CoII complexes with 1-(2-pyrimidyl)piperazine. Hirshfeld surface analysis and theoretical studies
Open Access Paper

Exploring the thermal decomposition and detonation mechanisms of 2,4-dinitroanisole by TG-FTIR-MS and molecular simulations

Investigating the thermal decomposition and detonation mechanisms of DNAN by combining TG-FTIR-MS with DFT and ReaxFF MD.

Graphical abstract: Exploring the thermal decomposition and detonation mechanisms of 2,4-dinitroanisole by TG-FTIR-MS and molecular simulations
Open Access Paper

Fine-tuning of organic optical double-donor NLO chromophores with DA-supported functional groups

A new fine-tunned strategic chromophore with updated version of BLD1 and BLD3 chromophores were reported.

Graphical abstract: Fine-tuning of organic optical double-donor NLO chromophores with DA-supported functional groups
Open Access Paper

An examination of the effectiveness of the expired drug isoprinosine in preventing aluminum corrosion in alkaline solutions using both computational and experimental techniques

A now-expired medication called isoprinosine was examined in NaOH (0.50 M) solutions as a potential novel inhibitor of aluminum corrosion.

Graphical abstract: An examination of the effectiveness of the expired drug isoprinosine in preventing aluminum corrosion in alkaline solutions using both computational and experimental techniques
Open Access Paper

Assessing the efficacy of aluminum metal clusters Al13 and Al15 in mitigating NO2 and SO2 pollutants: a DFT investigation

The Al15 and Al13 exhibit excellent performance on NO2 and SO2 adsorption. The depiction explores critical points (3, −1) and the interatomic relationships between Al13 and NO2.

Graphical abstract: Assessing the efficacy of aluminum metal clusters Al13 and Al15 in mitigating NO2 and SO2 pollutants: a DFT investigation
Open Access Paper

Structure searches and superconductor discovery in XB2 (X = Sc, Ti, V, Cr, and Tc)

With extensive structure searches for XB2 (X = Sc, Ti, V, Cr, and Tc) under pressures up to 100 GPa, we uncovered that the crystal structures of these compounds with the lowest enthalpy have the same space group (P6/mmm) as MgB2 at ambient pressure.

Graphical abstract: Structure searches and superconductor discovery in XB2 (X = Sc, Ti, V, Cr, and Tc)
Open Access Paper

Aqueous solution and solid-state behaviour of L-homophenylalanine: experiment, modelling, and DFT calculations

In the present study, the solid-state and aqueous solubility behaviour of L-homophenylalanine (L-Hpa) is explored.

Graphical abstract: Aqueous solution and solid-state behaviour of l-homophenylalanine: experiment, modelling, and DFT calculations
Open Access Paper

Nonlinear optical and spectroscopic properties, thermal analysis, and hemolytic capacity evaluation of quinoline-1,3-benzodioxole chalcone

This article details the synthesis, full characterization, optical properties, theoretical analysis, evaluation of nonlinear optical properties (NLO), and determination of the hemolytic capacity of quinoline-1,3-benzodioxole chalcone(5).

Graphical abstract: Nonlinear optical and spectroscopic properties, thermal analysis, and hemolytic capacity evaluation of quinoline-1,3-benzodioxole chalcone
Open Access Paper

In silico modelling of chelate stabilized tetrylene derivatives

The steric and electronic effects of specific ligands can play crucial roles in stabilizing unsaturated tetrylene species.

Graphical abstract: In silico modelling of chelate stabilized tetrylene derivatives
92 items - Showing page 1 of 4

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