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兔子lizzy

金虫 (小有名气)

[求助] 如何计算静电势ESP以及作图

这是论文原文 ,原图见附件。。。。没做过静电势ESP,请问如何用高斯算,再用什么软件作图?
3.3. Electronic Static Potential. The high oxidation potential
of sulfone molecules indicates great difficulty in removing an
electron from the molecules containing a highly polar sulfone
group. Electronic static potential (ESP) is commonly utilized to
display the polarity and stability of molecules. ESP mapped on
the isosurface (0.001 au) of electronic density of EMES (as a
representative of the ether-functionalized sulfone solvent) was
plotted in Figure 10. The very negative electrostatic potential on
the sulfone oxygen (43.5 kcal/mol) and two strong positive
electrostatic potential areas along the extension of the oxygen
sulfur covalent bonds (31.2 kcal/mol) lead to a large polarity,
which can be explained by the concept of σ-hole. The large
polarity of the sulfone group also helps dissolve the Li salt and
the high cathodic stability.

ESP.jpg
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六世之爱

铜虫 (小有名气)

【答案】应助回帖

哦,忘记说了,二楼说的很对,你如果想计算ESP的话,拿到优化后的chk文件直接用multiwfn就可以计算了。
4楼2013-01-11 15:55:49
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书万里

木虫 (著名写手)

历史控+原著控

绘制静电势图只需要优化后构型后得到chk文件就可以了。
在版内搜搜吧,很多专家都讨论过。
喂人民服雾。
2楼2013-01-11 11:51:21
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六世之爱

铜虫 (小有名气)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
兔子lizzy: 金币+5 2013-01-11 17:57:14
兔子lizzy: 金币+5 2013-01-13 09:02:07
推荐使用mutiwfn,你帖子里的图用这个软件就可以做出来,很漂亮。
3楼2013-01-11 15:54:26
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mu00mu8

银虫 (初入文坛)

使用Gaussian完成计算,保存*.chk文件;
用GaussView打开*.chk,从Results中选Surfaces,打开Surfaces and Cubes对话框,选取Cube Actions中的New Cube,从Kind中选取Total Density,然后点OK。选取Surface Actions中的New Mapped Surface,OK。出图。然后改下Display Format就出来楼主要的图了。
5楼2013-01-13 23:08:18
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