Results 81 to 90 of about 19,829 (269)

(E)-1-(2,6-Dichlorophenyl)-2-(3-nitrobenzylidene)hydrazine: crystal structure and Hirshfeld surface analysis

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2020
The stabilized conformation of the title compound, C13H9Cl2N3O2, is similar to that of the isomeric compound (E)-1-(2,6-dichlorophenyl)-2-(2-nitrobenzylidene)hydrazine.
Zeliha Atioğlu   +7 more
doaj   +1 more source

Synthesis, Structural Characterization, and Biological Evaluation of (E)-N-(4-Bromobenzylidene)-3-Methoxybenzohydrazide Monohydrate

open access: yesSubstantia, 2023
Synthesis and structural elucidation of a new type of hydrazone Schiff base (E)-N’-(4-Bromobenzylidene)-3-Methoxybenzohydrazide Monohydrate, and its structure were characterized by FT-IR, 1H, 13C NMR and mass spectroscopic analysis.
Kumar Ananthi   +3 more
doaj   +1 more source

Can Europium Atoms form Luminescent Centres in Diamond: A combined Theoretical-Experimental Study

open access: yes, 2019
The incorporation of Eu into the diamond lattice is investigated in a combined theoretical-experimental study. The large size of the Eu ion induces a strain on the host lattice, which is minimal for the Eu-vacancy complex.
Haenen, Ken   +4 more
core   +1 more source

Assessment of atomic charge models for gas-phase computations on polypeptides [PDF]

open access: yes, 2012
The concept of the atomic charge is extensively used to model the electrostatic properties of proteins. Atomic charges are not only the basis for the electrostatic energy term in biomolecular force fields but are also derived from quantum mechanical ...
De Proft, Frank   +5 more
core   +1 more source

Hirshfeld Surface Investigation of Structure-Directing Interactions within Dipicolinic Acid Derivatives

open access: yesCrystal Growth & Design, 2015
Six compounds based on dipicolinic acid esters have been synthesized and Hirshfeld surfaces used to investigate the structure-directing effects of functional groups in controlling their solid-state behavior. Compounds 1-4 are 4-bromo dipicolinic acid esters substituted with methyl, ethyl, propyl, and benzyl groups, respectively.
Martin, AD   +5 more
openaire   +4 more sources

Structural characterization and Hirshfeld surface analysis of a CoII complex with imidazo[1,2-a]pyridine

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2018
A new mononuclear tetrahedral CoII complex, dichloridobis(imidazo[1,2-a]pyridine-κN1)cobalt(II), [CoCl2(C7H6N2)2], has been synthesized using a bioactive imidazopyridine ligand.
Saikat Kumar Seth
doaj   +1 more source

Electronic properties of silica nanowires

open access: yes, 2006
Thin nanowires of silicon oxide were studied by pseudopotential density functional electronic structure calculations using the generalized gradient approximation. Infinite linear and zigzag Si-O chains were investigated.
Chelikowsky J R   +8 more
core   +2 more sources

Theoretical studies on Copper(II) complexes based on different carboxylate ligands: Hirshfeld surface analysis and molecular docking studies [PDF]

open access: green, 2023
Muhammad Nadeem Akhtar   +8 more
openalex   +1 more source

Synthesis, crystal structure and Hirshfeld surface analysis of N-(4-methoxyphenyl)picolinamide

open access: yesActa Crystallographica Section E: Crystallographic Communications
The synthesis, crystal structure, and Hirshfeld surface analysis of N-(4-methoxyphenyl)picolinamide (MPPA), C13H12N2O2, are presented. MPPA crystallizes in the monoclinic space group P21/n, with a single molecule in the asymmetric unit.
Dilnoza Burieva   +7 more
doaj   +1 more source

Synthesis, crystal structure and Hirshfeld surface analysis of sulfamethoxazolium methyl-sulfate monohydrate. [PDF]

open access: yesActa Crystallogr E Crystallogr Commun
The molecular salt sulfamethoxazolium {or 4-[(5-methyl-1,2-oxazol-3-yl)sulfamoyl]anilinium methyl sulfate monohydrate}, C10H12N3O3S+·CH3O4S−·H2O, was prepared by the reaction of sulfamethoxazole and H2SO4 in methanol and crystallized from methanol–ether–water. Protonation takes place at the nitrogen atom of the primary amino group. In the crystal, N—H..
Moroni AB   +5 more
europepmc   +5 more sources

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