二价Hg离子用什么基组和vasp5.3.5 赝势库下载合适

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Electron structures of Zr4Mn6M2(M=V,Co,Fe,Al,Mn)and their hydrides are calculated by the plane wave pseudo-potential method which is based on density functional theory.
采用基于密度泛函的赝势平面波方法,计算Zr4Mn6M2(M=Al,Co,Fe,Mn,V)及其氢化物的电子结构,并分析了成键特性。
Calculation of K-Rb Phase Diagram by Pseudo-potential Method
赝势方法计算K-Rb相图
The electronic structures of hydrogen storage alloys,CaMg_2Ni_9 and LaMg_2Ni_9,which are applied to analyze the interaction between atoms in alloy and their effect on alloy stability,are calculated by plane wave pseudo-potential method.
利用第一原理赝势平面波方法计算了C aM g2N i9,L aM g2N i9贮氢合金的电子结构,分析了合金中原子间的相互作用以及对合金稳定性的影响.
The pressure-dependent electronic structure and physical properties of γ- Si_3N_4 have been calculated by means of plane wave pseudo-potential method (PWP) using GGA-PW91. Based on the calculations, we analyzed the influence of pressure on the optical and mechanical properties γ-Si_3N_4, which indicates that γ-Si_3N_4 is quite suitable for applications under high pressure.
采用基于密度泛函平面波赝势方法(PWP)和广义梯度近似(GGA-PW91),计算了不同压强下γ-Si3N4的电子结构、光学性质和力学性质. 基于计算结果,分析讨论了γ-Si3N4各物理参数随外压力的变化规律.
Electrical structures and optical properties of β-Si_3N_4 have been calculated by means of plane wave pseudo-potential method (PWP) with GGA. The results such as lattice constants and band structures are in good agreement with experimental data.
采用基于密度泛函的平面波赝势方法(PWP)和广义梯度近似(GGA),计算了β相氮化硅(β-Si3N4)的电子结构和光学性质,得到的晶格常数、能带结构等均与实验结果较好符合.
The equilibrium geometries and the vibration frequencies of M
+(M=Cu,Ag,Au)are calculated at the HF and the MP2 levels with pseudopotentials.
使用赝势在HF和MP2水平上计算了M2 As-和M2 Br+(M =Cu ,Ag ,Au)的平均几何和振动频率。
Ab initio STUDY OF COMPOUNDS CONTAINING MERCURY USING RELATIVISTIC PSEUDOPOTENTIALS——The Electronic Structures of HgX_2 (X=Cl, Br, Ⅰ)
含Hg化合物的相对论赝势从头计算研究——HgX_2(X=Cl,Br,I)的电子结构
The adsorption and the growth of ZnO on α-Al_2O_3(0001) surface at various temperatures were theoreti- cally calculated by using a plane wave pseudopotentials (USP) method based on density functional theory.
用密度泛函理论的甲面波赝势法对 ZnO 在α-Al_2O_3(0001)表面吸附生长进行了动力学计算.
The geometric structures and stabilities of heavy metal mixed/doped cluster(M_2Te)_3(M=Au,Ag,Cu) are studied at the HF and MP2 theoretical levels,using relativistic and nonrelativistic pseudopotentials.
使用相对论和非相对论赝势,在HF和MP2理论水平上研究了重金属混合/掺杂团簇(M2Te)3(M=Au,Ag,Cu)的几何构型和稳定性.
The Comparison of Two Pseudopotentials in ZnO First-principles Calculation
ZnO第一性原理计算中两种赝势方法之比较
The (2×2) reconstruction of GaAs(1 1 1)is studied by the calculation of the total energy in the context of density
functional theory in the pseudo
potential approximation. The results compared with different structural models show that As adatom trimer model obtained by ATLEED is much favourable of reducing surface polarization and making stable reconstrucion with minimum surface energy.
本文采用赝势近似方法和密度泛函理论对GaAs(1 1 1 )
(2× 2 )表面重构进行总能计算 ,比较不同结构模型的结果表明As三聚体吸附模型非常有利于降低表面极性从而形成具有最小能量的稳定表面重构。
It is found that relativistic ultrasoft pseudo potential can accurately predict the site preference, adsorption structure and adsorption energy for CO adsorption. The results show that CO is activated upon adsorption, and atop site is preferred on all 3 surfaces. Interaction between CO and Cu, Ag and Au surface is sorted as Cu > Au >Ag, which is accord with the experimental observations.
研究结果表明:(1)采用包含相对论效应的超软赝势基组可以较为准确地确定CO在Cu、Ag和Au表面的最优吸附位、吸附结构和吸附能量。
Effect of external high pressure on crystal structure of pyrite (FeS
2) has been simulated by using abinitio norm
conserving pseudo
potential plane wave molecular dynamic method based on density functional theory,
within the general gradient density approximation.
采用基于密度泛函的规范保持赝势分子动力学方法 ,模拟了外应力对黄铁矿晶体结构的影响 ,计算了畸变晶格的能带结构和态密度。
A novel model has been developed to theoretically evaluate the adsorption of ZnO molecules and the initial growth of ZnO film on flat Al
terminated surface of a 2×2
3 (0001) substrates. In our ab initio calculation,periodic boundary condition in
space was assumed and the localized density of occupied orbitals was expanded and approximated with plane waves using ultra
soft pseudo
potential technique based on density functional theory.
建立了一种 2× 2α Al2 O3 (0 0 0 1)基片表面吸附ZnO模型 ,在周期边界条件下的k空间中 ,采用基于密度泛函理论的局域密度近似平面波超软赝势法 ,对α Al2 O3 (0 0 0 1)基片表面结构及其ZnO分子在表面最初吸附生长位置进行了计算研究。
The weak interaction universally exists in actual gases,the analytical expressions of chemical po- tential,pressure,entrophy and heat capacity at a constant volume for actual gases in the absence of external po- tential are derived using total energy deduced by pseudo potential method,then based on the derived expres- sions,the effects of inter-particle interaction on the properties of Fermi gas systems are discussed.
实际气体粒子间都存在弱的相互作用,利用赝势法求出无外势时实际费米气体的能谱,导出了低温低密度下实际费米气体的化学势、压强、熵、内能和定容热容等物理量的解析表达式,探讨了粒子间相互作用对系统低温性质的影响.
RELATTVISTIC PSEUDOPOTENTIAL ab INITIO STUDY OF BX_3NH_3 (X=H,F,CI,Br,I) Ⅱ.
BX_3NH_3(X=H、F、Cl、Br、I)的相对论赝势ab initio研究Ⅱ.
An ab initio pseudopotential study of M_2As~-
and M_2Br~+(M=Cu,Ag,Au)
M_2As~-和M_2Br~+(M=Cu,Ag,Au)的赝势从头算研究
Relativistic Pscudopotcntial ab initio study of BX_4~- (X=H, F, Cl, Br, I)Ⅲ
BX_4~-(X=H,F,Cl,Br,I)的相对论赝势从头算研究(Ⅲ)
The reaction of Au+(1S , 3D) ions with N2O(1∑+) are studied by means of B3LYP/6-311+G*(the basis set of Au+ is(8s7p6d)/[6s5p3d]).
采用密度泛函B3LYP方法,O和N用6-311+G*基组,Au+用赝势基组(8s7p6d)/[6s5p3d],研究了Au+(~1S,~3D)离子和N2O(~1∑~+)分子的反应机理.
Pseudopotential ab initio study of heavy metal mixed/doped clusters(M_2Te)_3(M=Au,Ag,Cu)
重金属团簇(M_2Te)_3(M=Au,Ag,Cu)赝势从头算研究
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【求助】混合基组的使用!
我是搞有机合成的,现在要用Gauusian来优化一个过渡金属配合物,现在有两个问题请教高手!
& & 1.混合基组使用是不是要自己改动输入文件,还是高斯自己配好的,高斯好像只提供单一的基组(如6-31G**)供选用,如果用6-31G**和LANL2DZ是不是要自己改动输入文件,还是高斯提供这种选择?
& &2.如果选好了6-31G**和LANL2DZ基组,我那个参考文献上说要加极化函数,如何再对Ru加极化函数?
我做的体系含有:Ru,P,Cl,C,H,O原子.文献说对C,H,O原子使用6-31G**基组,对Ru,P,Cl,使用LANL2DZ基组,而且还对Ru,P,Cl原子加了一个极化因子.这个极化因子如何加?
我对计算虽然看过一些理论,还只能算个门外汉,只是把Gauusian当作一个黑匣子来操作,现在就是搞不定这个输入文件,请高手指教啊,如果能提供相关的资料也行.
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【讨论】关于赝势基组
看到文献上计算Hg时应用了aug-cc-pVnZ-PP基组,Hg PP留下5s25p65d106s2电子进行精确处理,那么一个原子在进行赝势处理时,价层和内层电子多少是什么确定呢?是不同的基组内部已经定义好了吗?
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【讨论】常用Gaussian的朋友过来投票:你常用的基组是什么?
据个例子吧:我常用混合基组
我常用6-311++g**(或者别的劈裂价键基组)加上ECP基组(SDD或LanL2DZ)进行计算,因此我自己就把劈裂价键基组、Los Alamos的ECP基组,Stuttgart/Dresden的ECP基组三个选项选上了。
一句话说不清楚,你看看这个资料吧/gushirucha/blog/item/2cb88c08f71ad.html
网上有很多关于混合基组的讨论
yjcmwgk(密度泛函·小卒)是俺亲师兄:D
有个这么强大的师兄..幸福啊..
同意,在密度泛函的文章中,使用B3LYP泛函的有80%。
我觉得很大一部分是眼熟的功劳。
很好的调查,我们用的都差不多
这个当然没错,如何可以同时调查体系会比全面。但从目前的调查结果已可反映不少问题。对非金属一般用劈裂价基,对金属一般用赝势……
这个当然没错,如何可以同时调查体系会比全面。但从目前的调查结果已可反映不少问题。对非金属一般用劈裂价基,对金属一般用赝势……
请问6-31++G**计算的频率约化因子是多少啊,有没有相关文献介绍的呢?谢谢了
这个不投都知道了:D
gview里好像不能用混合机组吧 一般都是用gv作图 然后在主程序里修改
我也想要个好师兄 不过好师姐也行⊙▽⊙
你好~我想做一下反应密度泛函理论的模拟,请问有些问题能不能咨询你一下!
混合基组比较复杂,需要手动输入,如果要在Gaussview 里输入使用&Gaussian Calculation Setup&里的“Add. Inp.”。不过还是推荐直接编辑输入文件
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