نتایج جستجو برای: molecular geometry
تعداد نتایج: 772341 فیلتر نتایج به سال:
Various methods (Hartree–Fock methods, semi-empirical Density Functional Theory, Molecular Mechanics) used to optimize a molecule structure feature the same basic approach but differ in mathematical approximations used. The geometry optimization procedure calculates energy at an initial of and then proceeds search new with lower energy. Using 3D structures collected from PubChem database, 20 am...
Figure 7.1 Nicknamed “buckyballs,” buckminsterfullerene molecules (C60) contain only carbon atoms. Here they are shown in a ball-and-stick model (left). These molecules have single and double carbon-carbon bonds arranged to form a geometric framework of hexagons and pentagons, similar to the pattern on a soccer ball (center). This unconventional molecular structure is named after architect R. B...
to investigation non-bonded interaction of the [cuf4]2- complex inside nanoring, we focus on the single wall boron-nitride b18n18 nanoring. thus, the geometry of b18n18 nanoring has been optimized by b3lyp method with epr-ii basis set and geometry of the [cuf4]2- complex has been optimized at b3lyp method with def2-tzvp basis set and stuttgart rsc 1997 effective core potential. also electronic ...
Classical algorithms for predicting the equilibrium geometry of strongly correlated molecules require expensive wave function methods that become impractical already few-atom systems. In this work, we introduce a variational quantum algorithm finding most stable structure molecule by explicitly considering parametric dependence electronic Hamiltonian on nuclear coordinates. The is obtained mini...
Electronic Structure Investigation of Octahedral Complex and Nano ring by NBO Analysis: An EPR Study
To calculation non-bonded interaction of the [CoCl6]3- complex embedded in nano ring, we focus on the single wall boron-nitride B18N18 nano ring. Thus, the geometry of B18N18 nano ring has been optimized by B3LYP method with EPR-II (Electron paramagnetic resonance) basis set and geometry of the [CoCl6]3- complex has been optimized at B3LYP method with Aldrich’s VTZ basis set and Stuttgart RSC 1...
electronic structure investigation of octahedral complex and nano ring by nbo analysis: an epr study
to calculation non-bonded interaction of the [cocl6]3- complex embedded in nano ring, we focus on the single wall boron-nitride b18n18 nano ring. thus, the geometry of b18n18 nano ring has been optimized by b3lyp method with epr-ii (electron paramagnetic resonance) basis set and geometry of the [cocl6]3- complex has been optimized at b3lyp method with aldrich’s vtz basis set and stuttgart rsc 1...
To investigation non-bonded interaction of the [CuF4]2- complex inside nanoring, we focus on the single wall boron-nitride B18N18 nanoring. Thus, the geometry of B18N18 nanoring has been optimized by B3LYP method with EPR-II basis set and geometry of the [CuF4]2- complex has been optimized at B3LYP method with Def2-TZVP basis set and Stuttgart RSC 1997 Effective Core Potential. Also electronic ...
To investigation non-bonded interaction of the [CuF4]2- complex inside nanoring, we focus on the single wall boron-nitride B18N18 nanoring. Thus, the geometry of B18N18 nanoring has been optimized by B3LYP method with EPR-II basis set and geometry of the [CuF4]2- complex has been optimized at B3LYP method with Def2-TZVP basis set and Stuttgart RSC 1997 Effective Core Potential. Also electronic ...
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