نتایج جستجو برای: atomic charges

تعداد نتایج: 111098  

F. Azarakhshi, G.R. Ghshami M. Khaleghian,

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...

F. Azarakhshi, G.R. Ghshami M. Khaleghian,

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...

Journal: :international journal of pediatrics 0
satar rezaei faculty of public health, kermanshah university of medical sciences, kermanshah, iran behzad karami matin faculty of public health, kermanshah university of medical sciences, kermanshah, iran ali kazemi karyani department of health management and economic, school of public health, tehran university of medical sciences, tehran, iran

introduction althoughthere is a consensus that the economic burden of burn injury is high, but few studies have conducted about cost of burns injury among pediatric in developing countries. we explored the main factors influencing on hospital costs and length of stay (los) associated with pediatric burns injury in kermanshah, iran. methods and material we performed a review ofmedical records fr...

Journal: :The journal of physical chemistry. B 2007
David L Mobley Elise Dumont John D Chodera Ken A Dill

In molecular simulations with fixed-charge force fields, the choice of partial atomic charges influences numerous computed physical properties, including binding free energies. Many molecular mechanics force fields specify how nonbonded parameters should be determined, but various choices are often available for how these charges are to be determined for arbitrary small molecules. Here, we comp...

Journal: :international journal of bio-inorganic hybrid nanomaterials 2015
m. khaleghian f. azarakhshi g.r. ghshami

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...

Journal: :Physical review. B, Condensed matter 1995
Ghosez Gonze Lambin Michenaud

The Born effective charge tensors of Barium Titanate have been calculated for each of its 4 phases. Large effective charges of Ti and O, also predicted by shell model calculations and made plausible by a simplified model, reflect the partial covalent character of the chemical bond. A band by band decomposition confirms that orbital hybridization is not restricted to Ti and O atoms but also invo...

1999
Ersan Demiralp Tahir Çağin William A. Goddard

To predict phase transitions in ceramics and minerals from molecular dynamics simulations, we have developed a force field in which the charges are allowed to readjust instantaneously to the atomic configurations. These charges are calculated using the charge equilibration (QEq) method. In addition to electrostatics, a two-body Morse stretch potential is included to account for shortrange nonel...

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