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各位老师好,学生想计算Fe3+和乙二醇的配位情况,这是我的输入文件,经过chem3D跑过最小能量
Fe-EG3
3 6
C -1.67620000 1.98580000 -0.49170000
C -1.22730000 1.64580000 -1.89860000
H -1.52740000 3.06060000 -0.24680000
H -2.73470000 1.70120000 -0.29890000
H -2.06790000 1.33940000 -2.55950000
H -0.66050000 2.47950000 -2.37020000
O -0.28600000 0.50040000 -1.77910000
H 0.25570000 1.05270000 -1.11920000
O -0.81520000 1.19590000 0.43280000
H -0.71050000 1.69910000 1.33090000
Fe -0.21780000 -0.42080000 -0.19560000
C -2.14990000 -2.10850000 0.49720000
H -3.25090000 -2.25520000 0.56910000
H -1.67500000 -3.06060000 0.17460000
C -1.58090000 -1.58700000 1.79480000
H -1.50000000 -2.39100000 2.55950000
H -2.17290000 -0.73870000 2.20470000
O -1.89050000 -1.09390000 -0.54910000
H -1.21440000 -1.45340000 -1.20660000
O -0.21950000 -1.08640000 1.51200000
H 0.22930000 -1.29890000 2.42610000
C 1.85860000 -2.25500000 -0.42330000
H 2.37760000 -2.91740000 -1.15070000
H 1.68900000 -2.81130000 0.52450000
C 2.59880000 -0.95370000 -0.21340000
H 3.25090000 -0.69380000 -1.07730000
H 3.18760000 -0.93290000 0.72980000
O 0.52980000 -1.90190000 -0.98410000
H 0.45160000 -2.67230000 -1.67700000
O 1.54200000 0.09060000 -0.14060000
H 1.30290000 -0.14340000 -1.10190000
C H O 0
6-31g(d,p)
****
Fe 0
SDD
****
Fe 0
SDD
****
但是结构频率优化后却变成了这个样子,请问初始构型和结果是否合理,补充一下:当时没经过chem3D跑最小能量的时候初始构型H是连接在氧上的,后面优化完H也是跑的很远,铁氧键也全部断裂。
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