Results 21 to 30 of about 5,336,405 (341)

Adsorption of 2,4,6-trichlorophenol on kaolinite: DFT calculations

open access: yesAceh International Journal of Science and Technology, 2017
The aim of this work is to explore the adsorption process of an organic pollutant the 2,4,6-trichlorophenol on the clay mineral (kaolinite) surface in order to identify the sites of adsorption as well as conformations corresponding to the lowest energies.
Sara Ghezali, Amina Mahdad-Benzerdjeb
doaj   +1 more source

Effects of transition metals incorporated into perovskite crystals on the electronic structures and magnetic properties by first-principles calculation

open access: yesHeliyon, 2018
Additive effects of transition metals (M = Cr2+, Co2+, Cu2+ and Y3+) on the electronic structures and magnetic properties of formamidinium lead halide perovskite compounds (FAPbI3, where FA = NH2CHNH2+) were investigated by first-principle calculation ...
Atsushi Suzuki, Takeo Oku
doaj   +1 more source

Theory and modeling of light-matter interactions in chemistry: current and future. [PDF]

open access: yesPhysical Chemistry, Chemical Physics - PCCP, 2023
Light-matter interaction not only plays an instrumental role in characterizing materials' properties via various spectroscopic techniques but also provides a general strategy to manipulate material properties via the design of novel nanostructures.
Braden M. Weight, Xinyang Li, Yu Zhang
semanticscholar   +1 more source

Synthesis, spectroscopic investigation, molecular docking and DFT studies of novel (2Z,4Z)-2,4-bis(4-chlorobenzylidene)-5-oxo-1-phenylpyrrolidine-3-carboxylic acid (BCOPCA)

open access: yesHeliyon, 2018
The synthesized compound (2Z,4Z)-2,4-bis(4-chlorobenzylidene)-5-oxo-1-phenylpyrrolidine-3-carboxylic acid (BCOPCA) was characterised by Ultraviolet, FT-Infra Red, 1H, 13C Nuclear Magnetic Resonance and mass spectroscopy.
Poornima Devi   +5 more
doaj   +1 more source

A dimeric chlorophyll electron acceptor differentiates type I from type II photosynthetic reaction centers

open access: yesiScience, 2021
Summary: This research addresses one of the most compelling issues in the field of photosynthesis, namely, the role of the accessory chlorophyll molecules in primary charge separation.
Michael Gorka   +5 more
doaj   +1 more source

Quantum dynamical study of rotational excitations in SiS (X 1Σ+) molecule by H collisions

open access: yesHeliyon, 2019
The knowledge of accurate rate coefficients for collisional excitation of molecules by the abundant chemical species like He, H2 and H is important in modeling the conditions of interstellar medium.
Bhargava Anusuri
doaj   +1 more source

Dieter Cremer's contribution to the field of theoretical chemistry

open access: yesInternational Journal of Quantum Chemistry, 2019
Department of Chemistry, Southern Methodist University, Dallas, Texas Correspondence Elfi Kraka, Department of Chemistry, Southern Methodist University, Dallas, TX 75205, USA. Email: ekraka@gmail.com Funding information National Science Foundation (NSF),
E. Kraka, D. Cremer
semanticscholar   +1 more source

The ORCA quantum chemistry program package.

open access: yesJournal of Chemical Physics, 2020
In this contribution to the special software-centered issue, the ORCA program package is described. We start with a short historical perspective of how the project began and go on to discuss its current feature set.
F. Neese   +3 more
semanticscholar   +1 more source

Microwave assisted synthesis of coumarin-purine derivatives: An approach to in vitro anti-oxidant, DNA cleavage, crystal structure, DFT studies and Hirshfeld surface analysis

open access: yesHeliyon, 2019
An easy and efficient microwave-assisted protocol has been developed for the synthesis of coumarin-purine hybrids (3a-3j). The newly constructed 1,3-dimethyl-7-((substituted)-2-oxo-2H-chromen-4-yl)methyl)-1H-purine-2,6(3H,7H)-dione derivatives were ...
Sumitra N. Mangasuli   +2 more
doaj   +1 more source

In memoriam two distinguished participants of the Bregenz Symmetries in Science Symposia: Marcos Moshinsky and Yurii Fedorovich Smirnov [PDF]

open access: yes, 2009
Some particular facets of the numerous works by Marcos Moshinsky and Yurii Fedorovich Smirnov are presented in these notes. The accent is put on some of the common interests of Yurii and Marcos in physics, theoretical chemistry, and mathematical physics.
Asherova R M   +46 more
core   +2 more sources

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