نتایج جستجو برای: روش nbo

تعداد نتایج: 370592  

2012
Yoshihiro Takahashi Kensaku Nakamura Minoru Osada Takumi Fujiwara

Inelastic light scattering has been utilized for examining the structure of glass and its relaxation. However, the quasi-elastic-light-scattering (QLS) phenomenon has not been addressed in much detail. In this study, we observed pronounced QLS-intensity variations in two temperature domains-supercooled liquid (SCL) state (α-relaxation regime) and below the glass-transition temperature (β-relaxa...

Journal: :Symmetry 2016
Maha Al-Mutairi Devarasu Manimaran I. Hubert Joe Ola A. Saleh Mohammed Attia

Bioactive molecules are playing essential role in the field of drug discovery and various pharmaceutical applications. Vibrational spectral investigations of the anti-Candida agent ({[(1E)-3-(1H-imidazol-1-yl)-1-phenylpropylidene]amino}oxy)(4-methylphenyl)methanone ((1E)-IPMM) have been recorded and analyzed to understand its structural geometry, interand intra-molecular interactions. The equil...

Journal: :Journal of energy and power technology 2021

In this review, various studies on the Li depth profiles of metal/electrolyte/metal capacitors and batteries Au/LCO/LATP/Pt, LCO/LiPON/Si, LMO/LiPON/NbO with different metal electrodes at both sides (by bias; LCO =LiCoO2, LATP =Li3.1Al0.86Ti1.14Ge1.27P1.73O12, LMO =LiMn2O4, NbO = Nb2O5) using in-situ reflection ERD (ERD) technique 9MeV O+4 ion beam transmission (TERD) 5MeV He+2 beam, respective...

Gh. Ghassemi H. Aghaie M. Kia M. Monajjemi

We have evaluated the NMR shielding tensors for A:T,G:C,A:U in Watson-crick, and U-quartet. We have computed NMR shielding tensors at B31YP level by using 6-31G(d) basis set. We have compute anisotropy and asymmetry in A:T,G:C,A:U and U-quartet. The NMR shielding tensors were calculated using the GIAO method. The natural bonding orbital analysis (NBO) were performed. NBO calculation have been ...

ژورنال: :international journal of new chemistry 0

in this study, the drug atenolol on c60 fullerene were the drug and its derivatives were optimized fullerene. nbo and nmr for complex computations required in the hf/6-31g (d) and b3lyp/6-31g (d) quantum chemistry method was used. mechanical quantum calculations in theory level of b3lyp/6-31g were performed on structure of atenolol and nano fullerene atenolol with different positions of linking...

Journal: :Publications of the Astronomical Society of the Pacific 1969

Journal: :journal of physical & theoretical chemistry 2006
majid monajjemi roya ahmadi k. zare elahe rejaian

in this paper geometry optimization of two ionic complexes such as cr042-gly+1, and mo042- gly+i have been carried out at the hf and b3lyp levels oftheory with 6-31g* basis set in the gas phase. moreover, chemical shift andnatural bond of orbital (nbo) of these compounds have been obtainedusing nmr and nbo methods. finally, the obtained theoretical results werecompared with each other.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده علوم 1388

در این تحقیق، عکس العمل نانو لوله های تک دیواره کربنی و بور نیترید به کرنش و همچنین رفتار صفحه های گرافنی و بور نیترید هگزاگونال در برابر لوله کردن در سطح b3lyp/6-31g مورد بررسی قرار گرفته است. آروماتیسیته حلقه های شش تایی در نانو لوله های کربنی و بور نیترید تک دیواره و همچنین صفحه های گرافنی و بور نیترید هگزاگونال توسط کمیت جابجایی شیمیایی مستقل از هسته (nics) در مرکز حلقه های مختلف در طول کرن...

Journal: :Journal of Materials Chemistry C 2023

This work reports a systematical study highlighting the impact of substrate induced stress as key parameter for electrical performance and phase transition temperatures (K,Na)NbO 3 polycrystalline thin films.

Journal: :journal of physical & theoretical chemistry 2014
jamileh shakibayifar karim zare

the methamphetamine has been studied theoretically at the mp2 [1]/6-31g[2] level in gas phase.methamphetamine has been investigated via nmr, frequencies calculation and nbo analysis. thestructure of methamphetamine was designed primarily using of chem. bio draw and it geometry hasbeen optimized at the mp2/6-31g computational level. the present work consists the study of themethamphetamine repor...

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