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Periodic DFTB for Supported Clusters: Implementation and Application on Benzene Dimers Deposited on Graphene

open access: yesComputation, 2022
The interest for properties of clusters deposited on surfaces has grown in recent years. In this framework, the Density Functional based Tight Binding (DFTB) method appears as a promising tool due to its ability to treat extended systems at the quantum ...
Mathias Rapacioli, Nathalie Tarrat
doaj   +2 more sources

Vibration Control of Diamond Nanothreads by Lattice Defect Introduction for Application in Nanomechanical Sensors

open access: yesNanomaterials, 2021
Carbon nanomaterials, such as carbon nanotubes (CNTs) and graphene sheets (GSs), have been adopted as resonators in vibration-based nanomechanical sensors because of their extremely high stiffness and small size.
Xiao-Wen Lei, Kazuki Bando, Jin-Xing Shi
doaj   +2 more sources

Vibrational spectroscopic and quantum theoretical study of host-guest interactions in clathrates: I. Hofmann type clathrates [PDF]

open access: yesJournal of the Serbian Chemical Society, 2000
Hofmann type clatharates are host-guest compounds with the general formula M(NH3)2M'(CN)4·2G, in which M(NH3)2M'(CN)4 is the host lattice and G is benzene, the guest molecule.
VLADIMIR M. PETRUSEVSKI   +3 more
doaj   +2 more sources

Poly[[diaqua(μ8-benzene-1,2,4,5-tetracarboxylato)calciumzinc] monohydrate]

open access: yesActa Crystallographica Section E, 2012
In the title complex, {[CaZn(C10H2O8)(H2O)2]·H2O}n, the ZnII ion is coordinated by four O atoms from four benzene-1,2,4,5-tetracarboxylate anions in a distorted tetrahedral geometry.
Yong-Yan Jia, Bo Chen, Yu-Xia Yuan
doaj   +1 more source

A co-crystal between benzene and ethane: a potential evaporite material for Saturn's moon Titan

open access: yesIUCrJ, 2016
Using synchrotron X-ray powder diffraction, the structure of a co-crystal between benzene and ethane formed in situ at cryogenic conditions has been determined, and validated using dispersion-corrected density functional theory calculations.
Helen E. Maynard-Casely   +4 more
doaj   +1 more source

Diaquabis(2-hydroxybenzoato-κO1)bis(nicotinamide-κN1)cadmium–diaquabis(2-hydroxybenzoato-κ2O1,O1′)(nicotinamide-κN)cadmium–water (1/2/4)

open access: yesActa Crystallographica Section E, 2013
The crystal structure of the title compound, [Cd(C7H5O3)2(C6H6NO)2(H2O)2]·2[Cd(C7H5O3)2(C6H6NO)(H2O)2]·4H2O, consists of two kinds of CdII complexes (A and B) and lattice water molecules.
Nagihan Çaylak Delibaş   +2 more
doaj   +1 more source

N′-[(E)-5-Bromo-2-hydroxy-3-methoxybenzylidene]benzohydrazide monohydrate

open access: yesActa Crystallographica Section E, 2013
The title compound, C15H13BrN2O3·H2O, exists in an E conformation with respect to the azomethane C=N double bond. The benzene and phenyl rings form dihedral angles of 0.46 (2) and 4.90 (3)°, respectively with the central C(=O)N2C ...
M. R. Prathapachandra Kurup   +2 more
doaj   +1 more source

Diaqua(5-carboxybenzene-1,3-dicarboxylato-κ2O1,O1′)(6,6′-dimethyl-2,2′-bipyridine-κ2N,N′)nickel(II) heptahydrate

open access: yesActa Crystallographica Section E, 2011
In the title compound, [Ni(C9H4O6)(C12H12N2)(H2O)2]·7H2O, the NiII atom is six-coordinated by two O atoms from a chelating carboxylate group of a 5-carboxybenzene-1,3-dicarboxylate ligand, two O atoms of two water molecules and two N atoms from ...
Wen-Wen Shan   +2 more
doaj   +1 more source

Ammonium 2-(3,4-dimethylbenzoyl)benzoate dihydrate

open access: yesActa Crystallographica Section E, 2013
In the anion of the title compound, NH4+·C16H13O3−·2H2O, the benzene rings are twisted with respect to each other by 73.56 (10)°. In the crystal, extensive N—H...O and O—H...O hydrogen bonds link the cations, anions
Ming-Hui Zhang   +2 more
doaj   +1 more source

Crystal structure of (E)-4-{4-[ethyl(2-hydroxyethyl)amino]styryl}-1-methylpyridinium nitrate hemihydrate

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
The asymmetric unit of the title compound, C18H23N2O+·NO3−·0.5H2O, contains two independent 4-{4-[ethyl(2-hydroxyethyl)amino]styryl}-1-methylpyridin-1-ium cations, two nitrate anions and one lattice water molecule.
Hui Zhang   +3 more
doaj   +1 more source

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