Results 21 to 30 of about 24,331 (288)

Facile Synthesis of 5-Aryl-N-(pyrazin-2-yl)thiophene-2-carboxamides via Suzuki Cross-Coupling Reactions, Their Electronic and Nonlinear Optical Properties through DFT Calculations

open access: yesMolecules, 2021
Synthesis of 5-aryl-N-(pyrazin-2-yl)thiophene-2-carboxamides (4a–4n) by a Suzuki cross-coupling reaction of 5-bromo-N-(pyrazin-2-yl)thiophene-2-carboxamide (3) with various aryl/heteroaryl boronic acids/pinacol esters was observed in this article.
Gulraiz Ahmad   +9 more
doaj   +1 more source

Investigate the electrical and thermoelectric properties of M@C60 where (M=Co, Ni): A DFT study [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة
Density functional theory combined with nonequivalent greens function was carried out to study the M@C60 single-molecule junctions between two gold electrodes, where M=Co and Ni.
Anhar alfahdawi, Alaa Al-Jobory
doaj   +1 more source

Solvents effects: Density Functional Theory studies of Trans-Cinnamaldehyde [PDF]

open access: yesشیمی کاربردی روز, 2016
In the present investigation, HOMO-LUMO energy gap, polarizability, structural parameters, molecular mass, hardness, chemical potential and electrophilicity index of the trans-cinnamaldehyde as one of the active ingredients of cinnamon in the gas phase ...
لیلی رحیمی اهر   +1 more
doaj   +1 more source

DFT study and NBO analysis of solvation/substituent effects of 3-phenylbenzo[d]thiazole-2(3H)-imine derivatives [PDF]

open access: yesJournal of the Serbian Chemical Society, 2020
In this work, to determine natural bond orbital (NBO) analysis, solvation and substituent effects for electron-releasing substituents (CH3, OH) and electron-withdrawing derivatives (Cl, NO2, CF3) in para positions on the molecular structure of the ...
Miar Marzieh   +4 more
doaj   +1 more source

Study of Tl-based perovskite materials TlZX3 (Z = Ge, Sn, Be, Sr; X = Cl, Br, I) for application in scintillators: DFT and TD-DFT approach

open access: yesChemical Physics Impact, 2023
Scintillators are designed significantly for utilization in a broad range of technology fields, notably nuclear physics, healthcare testing, and materials analysis.
Pooja Sharma   +2 more
doaj   +1 more source

Driving the Emission Towards Blue by Controlling the HOMO‐LUMO Energy Gap in BF2‐functionalized 2‐(imidazo[1,5‐a]pyridin‐3‐yl)phenols [PDF]

open access: yes, 2021
Several boron compounds with 2-(imidazo[1,5- a ]pyridin-3-yl)phenols, differentiated by the nature of the substituent (R) in the para position of the hydroxy group, have been synthesized and thoroughly characterized both in solution ( 1 H, 13 C, 11 B, 19
Brenna S.   +14 more
core   +1 more source

A comprehensive model for chemical bioavailability and toxicity of organic chemicals based on first principles

open access: yesFrontiers in Marine Science, 2014
Here, we present a novel model to predict the toxicity and bioavailability of polychlorinated biphenyls (PCBs) as model compounds based on a first principles approach targeting basic electronic characteristics. The predictive model is based on an initio
Jay eForrest   +7 more
doaj   +1 more source

Boron Nitride Nanotubes for Curcumin Delivery as an Anticancer Drug: A DFT Investigation

open access: yesApplied Sciences, 2022
The electrical properties and characteristics of the armchair boron nitride nanotube (BNNT) that interacts with the curcumin molecule as an anticancer drug were studied using ab initio calculations based on density functional theory (DFT). In this study,
Suleiman Nafiu   +3 more
doaj   +1 more source

Energy Level Modulation of HOMO, LUMO, and Band‐Gap in Conjugated Polymers for Organic Photovoltaic Applications [PDF]

open access: yes, 2013
To devise a reliable strategy for achieving specific HOMO and LUMO energy level modulation via alternating donor‐acceptor monomer units, we investigate a series of conjugated polymers (CPs) in which the electron withdrawing power of the acceptor group is
Yutaka Ie   +19 more
core   +1 more source

Data related to conformation dependence of tyrosine binding on the surface of graphene: Bent prefers over parallel orientation

open access: yesData in Brief, 2019
In this data article, M06-2X/6-31G(d) level optimized geometries of complexes of tyrosine conformers binding with graphene sheets are shown in top and side views with selected non-bonding distances.
Dalia Daggag   +2 more
doaj   +1 more source

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