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如果文件中给出了键阶分析,文件中的结合物显示在图像上(否则通过距离算法计算结合物);
能量梯度可以以指针的形式显示(图2);
不同的原子属性可以以标签的形式显示:Mulliken种群和电荷、自旋密度、价态;
键序(以标签的形式显示在结合物上);
分子轨道可视为等值面或彩色平面;
振动模式可以动画或以指针的形式(位移矢量)显示;
偶较矩可视为指针;
MO能量可以以数字形式显示。
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If the output file contains bonds between atoms, derived from population analysis (Mulliken or NBO), Chemcraft renders these bonds on the image of molecule, otherwise the bonds are identified automatically using the distance algorithm. If the checkbox "Show bond properties" is enabled for an individual element of the list, this is the evidence that the bonds have been read from the file for this geometry. For Gaussian computations, POP(NBO) must be specified in the input file for bonds to be printed in the output file. In GAMESS-US log files the bonds are usually printed; by default, only bonds with bond order not less than 0.25 are shown in the image (this value can be altered in "Tools/Preferences/Gamess").
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Additional remarks:
If the molecule is too big and slowly rendered, choose "Display/Quick".
If Chemcraft doesn't identify bonds in the molecule correctly, one can manually set all bonds via Ctrl+B (no bond should be missed), or choose "Tools/Chemcraft incorrectly..."..
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Chemcraft对于Gamess用户
Chemcraft给Gamess-US输出文件提供了非常详细的可视化。文件中的下列数据可以以图形方式呈现:
原子坐标(对应于所有或对称的原子,如果在文件中呈现对应的表);
如果文件中给出了键阶分析,文件中的结合物显示在图像上(否则通过距离算法计算结合物);
能量梯度可以以指针的形式显示(图2);
不同的原子属性可以以标签的形式显示:Mulliken种群和电荷、自旋密度、价态;
键序(以标签的形式显示在结合物上);
分子轨道可视为等值面或彩色平面;
振动模式可以动画或以指针的形式(位移矢量)显示;
偶较矩可视为指针;
MO能量可以以数字形式显示。
The main capabilities of the program include:
- Rendering 3-dimensional pictures of molecules by atomic coordinates with the possibility to examine or modify any geometrical parameter in the molecule (distance, angle);
- Visualization of Gamess, Gaussian, NWChem, ADF, Molpro, Dalton, Jaguar, Orca, QChem output files: representation of individual geometries from files (optimized structure, geometry at each optimization step, etc.), animation of vibrational modes, graphical representation of gradient (forces on nuclei), visualization of molecular orbitals in form of isosurfaces or colored planes, visualization of vibrational or electronic (e.g., TDDFT) spectra, possibility to show SCF convergence graphs, and some other features;
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