Results 31 to 40 of about 17,394 (151)

Ring and Linear Structures of CdTe Clusters

Quantum Reports
We report the results of an ab initio study of the linear and ring structures of cadmium telluride clusters [CdTe]n (CdnTen) n ≤ 10 within the generalized gradient approximation (GGA) and Purdue–Burke–Ernzerhof (PBE) parameterization with Hubbard ...
Andrii Kashuba, Ihor Semkiv, Myron Rudysh, Hryhorii Ilchuk, Pavlo Shchepanskyi   +4 more
doaj   +1 more source

STRUCTURAL AND ELECTRONIC PROPERTIES OF CuO, CuO2 AND Cu2O NANOCLUSTERS – A DFT APPROACH

Medžiagotyra, 2015
The realistic structures of CuO, CuO2 and Cu2O were completely optimized using density functional theory approach. The different structures were optimized to study the structural stability, dipole moment, point symmetry, HOMO-LUMO gap, ionization ...
Chandiramouli RAMANATHAN, Sriram SUBRAMANIAN, Rubalya VALANTINA   +2 more
doaj   +1 more source

Computational study of optical properties, and enantioselective synthesis of di-substituted esters of hydantoic and thiohydantoic acids

Zanco Journal of Pure and Applied Sciences, 2020
     The title compounds with different optically active substituted ester of hydantoic and thiohydantoic were synthesized by the reaction of corresponding enantio-pure amino acids methyl ester hydrochloride with phenylisocyanate/thiocyanate in the ...
Hiwa Omer Ahmad
doaj   +3 more sources

Quantum Chemical Study of Some Benzimidazole and its Derivatives as Corrosion Inhibitors of Steel in HCl Solution

International Journal of Electrochemical Science, 2014
The relationships between corrosion inhibition performance of three kinds of benzimidazole inhibitors compounds and their molecular electronic properties have been investigated using quantum chemistry method.
Shuangkou Chen, Bai He, Yuanzhi Liu, Yue Wang, Jianfang Zhu   +4 more
doaj   +1 more source

Computational evaluation of triphenylimidazole-coumarin-3-carboxylic acid derivatives as potential sensitizers for dye sensitized solar cells

Discover Chemistry
Triphenylimidazole derivatives linked with coumarin-carboxylic acid were evaluated as sensitizers for DSSC applications through density functional theory (DFT) and time-dependent density functional theory (TD-DFT) calculations. Coumarin-3-carboxylic acid
Idayat Sulaiman, Richard K. Adeleke, Bolatito E. Olanipekun, Olusola O. James   +3 more
doaj   +1 more source

Synthesis of Two Steroids Derivatives and its Relationship with some Physicochemical Parameters

E-Journal of Chemistry, 2012
Two danazol derivatives were synthesized and characterized by spectral analyses. In order to characterize the structural and physicochemical requirements of danazol derivatives, several parameters such HOMO-LUMO gap, ΔHf, RMSg, dipole moment (µ) and bond
Lauro Figueroa-Valverde, Francisco Díaz-Cedillo, Elodia Garcia-Cervera   +2 more
doaj   +1 more source

The Comparison of Primary, Secondary and Tertiary Amine Ligands on Palladium (II) Complex Ion on Thermo-Physical, Chemical Reactivity, and Biological Properties: A DFT Study

Cumhuriyet Science Journal, 2019
The Palladium is consideredas the catalyst for coupling reaction and useful metal in industry. Thethermo-physical, chemical reactivity and biological interaction are consideredthe most expected parameters for use in any area of the chemical industry ...
Md. Nuruzzaman Sarker, Sunanda Paul, Mohammad Jahidul Islam, Ajoy Kumer   +3 more
doaj   +1 more source

Geometries, Electronic Structures, Bonding Properties, and Stability Strategy of Endohedral Metallofullerenes TM@C₂₈ (TM = Sc⁻, Y⁻, La⁻, Ti, Zr, Hf, V⁺, Nb⁺, Ta⁺)

Inorganics
We performed quantum chemical calculations on the geometries, electronic structures, bonding properties, and stability strategy of endohedral metallofullerenes TM@C28 (TM = Sc−, Y−, La−, Ti, Zr, Hf, V+, Nb+, Ta+). Our calculations revealed that there are
Dong Liu, Yuan Shui, Tao Yang
doaj   +1 more source

(E)-1-(Benzo[d][1,3]dioxol-5-yl)-3-([2,2′-bithiophen]-5-yl)prop-2-en-1-one: crystal structure, UV–Vis analysis and theoretical studies of a new π-conjugated chalcone

Acta Crystallographica Section E: Crystallographic Communications, 2019
In the title compound, C18H12O3S2, synthesized by the Claisen–Schmidt condensation method, the essentially planar chalcone unit adopts an s-cis configuration with respect to the carbonyl group within the ethylenic bridge.
Ainizatul Husna Anizaim, Muhamad Fikri Zaini, Muhammad Adlan Laruna, Ibrahim Abdul Razak, Suhana Arshad   +4 more
doaj   +1 more source

IR spectroscopic study, HOMO-LUMO, NBO analysis, and some calculations on H2O, H2S, H2Se and H2Te by density functional method [PDF]

شیمی کاربردی روز, 2013
In this investigation, IR spectroscopy, HOMO-LUMO analysis, NBO analysis, polarity determination, bond length, bond angle, natural charge of atoms, hardness, Softness, electrophilicity index and chemical potential from H2O to H2Te are calculated.
Leile Rahimi ahar, Zohreh Rahimi ahar, Lida Asadi   +2 more
doaj   +1 more source