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我用gaussian加上隐式溶剂计算了丙烯酸甲酯的偶极矩等于2.49D,而实验在相同溶剂下测得的偶极矩为1.77D,这个差别有点大吧。我想问问各位老师,这种情况该如何调整才能和实验值吻合较好?我的输入文件在下面。
#p def2tzvp pbe1pbe SCRF(SMD,solvent=benzene)
Title Card Required
0 1
C -2.16092500 -0.75835000 -0.00001700
H -1.65377400 -1.71558000 -0.00008200
H -3.24468700 -0.76288700 -0.00004200
C -1.48170800 0.38114100 0.00002300
H -1.97853500 1.34438500 0.00004400
C -0.00785300 0.47884300 0.00001500
O 0.60190100 -0.71359500 0.00003600
O 0.58530100 1.52749000 -0.00002400
C 2.02383400 -0.66540300 -0.00001200
H 2.35653700 -1.70111800 -0.00008800
H 2.39134900 -0.14661400 -0.88661400
H 2.39141100 -0.14673200 0.88663200
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