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本人环境专业 ,若有犯低级错误,希望大家多多指出。目前导师要求简单计算下吸附机理:我想的路线为:1、高斯构建一个石墨烯片和污染物分子的结构。 2、ORCA双分子动力学跑一下,看看石墨烯上面的基团是否能吸附上污染物分子,若能吸附,将该帧结构(molden文件中的结构提取出来优化下),要是能成键就进行原子电荷分析。3、根据优化的结构,再用IGMH方法分析其弱相互作用。4、最后算下吸附能。目前只想到这么多。。。。希望大家帮我看下是否合理。
我之前看到有帖子将吸附质和被吸附分子放在一起优化结构,优化结束后就可以得到该分子被吸附后的结构(顿时觉得巨方便)。立马就试了一下。
跑了一天多,还在结构优化,这么慢是正常的吗,还是我选的基组有问题。拜托各位老师指导一下。附上输出文件。
这是我的计算条件:
%mem=60GB
%nprocshared=60
%chk=D:\G16W\workfile\go1.chk
# opt freq b3lyp/aug-cc-pvdz scrf=(smd,solvent=water)
em=gd3
Title Card Required
-1 2
C -3.51040961 -2.70219945 -0.00013900
C -2.08514761 -2.70219945 -0.00013900
C -2.13899661 -0.24516745 0.00003700
C -3.54744461 -0.27017945 -0.00007600
C -4.21582461 -1.52900445 -0.00013600
C -1.44651961 1.00497455 0.00040500
C -0.01762261 1.03035955 0.00079900
C 0.66492739 2.26261555 0.00154000
C -0.09107161 3.47085455 0.00169300
C -1.45979861 3.44654555 0.00115200
C -2.17241261 2.21222155 0.00061600
C -3.59677561 2.16163855 0.00030600
C -4.26008961 0.96412555 0.00000000
H -5.36037061 0.93169955 -0.00015100
H -4.15291261 3.11157555 0.00037500
H -4.03247661 -3.67128045 -0.00014500
H -5.31656061 -1.53565845 -0.00013400
H 0.45353639 4.42745055 0.00220500
H -2.03803561 4.38319355 0.00117100
C -1.32916661 -3.91044645 -0.00032200
C 0.03957939 -3.88613545 -0.00066200
H -1.87374761 -4.86706245 -0.00023700
H 0.61780439 -4.82279345 -0.00090100
C 2.17656839 -2.60122645 -0.00048400
C 2.83988339 -1.40371445 0.00036000
C 2.12723539 -0.16941645 0.00091700
H 2.73270039 -3.55115745 -0.00098100
H 3.94016339 -1.37128445 0.00061000
C 2.09018939 2.26262055 0.00233300
H 2.61225339 3.23172155 0.00334000
C 2.79561239 1.08942055 0.00192500
H 3.89635239 1.09610355 0.00237200
N 0.75220239 -2.65181245 -0.00051700
N 0.71879839 -0.19441945 0.00050900
N -1.40256961 -1.46994845 -0.00013900
C 9.11201174 0.03013489 5.88901119
C 7.71116762 0.62014214 5.50747459
C 6.58276512 -0.45461947 5.31250490
C 5.31842012 0.08982156 4.54993777
C 4.03911970 -0.80971416 4.72843792
C 2.91910826 -0.54689084 3.65804111
C 1.50563901 -1.10126591 4.01911630
F 9.92346576 1.03763413 6.22705276
F 9.00601875 -0.80394863 6.92916408
F 9.65309463 -0.62343659 4.85877152
F 7.34247654 1.46383725 6.49261653
F 7.86575894 1.32470386 4.36470191
F 7.09047468 -1.49370994 4.61471151
F 6.21015537 -0.89486537 6.53416240
F 5.04035629 1.33052605 5.00758490
F 5.62549024 0.16978289 3.23699562
F 4.41744721 -2.10672238 4.65399993
F 3.53699406 -0.57559424 5.96179746
F 3.31926226 -1.12701400 2.49588851
F 2.83723346 0.79098076 3.45547921
F 1.68240476 -2.31238709 4.62932664
F 0.95353020 -0.27081173 4.95759072
C 0.55138648 -1.21430205 2.75347322
O 0.18576692 -0.11027367 2.31224760
O 0.30552146 -2.37140709 2.37943452
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GO1.LOG
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