DFT calculations of the defect structures, electronic structures, and EPR parameters for three Rh2+centers in AgCl

2017 ◽  
Vol 56 (3) ◽  
pp. 196-209 ◽  
Author(s):  
Li-Na Wu ◽  
Shao-Yi Wu ◽  
Si-Ying Zhong ◽  
Li-Juan Zhang ◽  
Qin-Qin Tan
2007 ◽  
Vol 111 (30) ◽  
pp. 7218-7222 ◽  
Author(s):  
Marcos C. Esteves ◽  
Ney V. Vugman ◽  
Alexandre A. Leitão ◽  
Carlos E. Bielschowsky

2019 ◽  
Author(s):  
Yumiao Ma

<p>In sharp contrast to the widely studied and applied stable singlet carbenes, only several kinetically persistent triplet carbenes have been studied, and thermodynamically stable triplet carbenes are much less developed. With the Gibbs free energy of C-H bond insertion into methane as a probe, DFT calculations were employed to examine a variety of candidate molecules for stable triplet carbenes. Guided by these calculations, some molecules with significant stability against C-H insertion were designed by fine tuning of geometry and electronic structures. These compounds might be potential candidates for experimental development of stable triplet carbenes.</p>


RSC Advances ◽  
2015 ◽  
Vol 5 (1) ◽  
pp. 760-769 ◽  
Author(s):  
Shuguang Zhang ◽  
Ning Han ◽  
Xiaoyao Tan

Spin-polarized DFT calculations were used to investigate the atomic, electronic structures of LaCoO3and La1−xSrxCoO3surfaces. The thermodynamic stability of these surfaces was analyzed with phase diagrams. Influence of Sr-doping was also examined.


2019 ◽  
Vol 21 (27) ◽  
pp. 14865-14872 ◽  
Author(s):  
Jing Wang ◽  
Yang Zhao ◽  
Jun Li ◽  
Hai-Cai Huang ◽  
Jing Chen ◽  
...  

DFT calculations reveal the electronic structures and ligation-induced superalkali characteristics of superatom–polymeric zirconium oxide clusters.


2000 ◽  
Vol 78 (9) ◽  
pp. 1147-1157
Author(s):  
Massimiliano Arca ◽  
Francesco Demartin ◽  
Francesco A Devillanova ◽  
Francesco Isaia ◽  
Francesco Lelj ◽  
...  

The syntheses of the first examples of selenoparabanic acid derivatives (dialkylimidazolidine-2-selone-4,5-dione, 3eR R = Me, Et, Bu) are presented along with the X-ray crystal structure determination of 3eEt. To gain an insight in the properties of parabanic acid derivatives on the basis of their electronic structures, we report the results of comparative hybrid-DFT calculations performed on parabanic, thioparabanic, and selenoparabanic acids (3aH, 3bH, and 3eH) and on their N,N' -dimethyl derivatives (3aMe, 3bMe, and 3eMe). Calculations show that the different nature of the frontier orbitals of 3aR compared to those of 3bR and 3eR, might account for the different reactivities of these compounds. Moreover, the weak donor character of 3bR and 3eR towards molecular di-iodine, estimated by FT-Raman measurements is in agreement with the calculated NBO-charge distribution.Key words: selenation, selenoparabanic derivatives, crystal structure, DFT calculations.


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