Calculation startedPi System: 4 3 2 1 5 6Warning: Some parameters are guessed (Quality = 1). Iteration 28: Minimization terminated normally because the gradient norm is less than the minimum gradient norm Stretch: 0.3185 Bend: 0.3492 Stretch-Bend: -0.0100 Torsion: -7.1200 Non-1,4 VDW: -0.5880 1,4 VDW: 4.4919 Dipole/Dipole: 0.1049 Total: -2.4535 Calculation completed Iteration 24: 0.2042 0.2801 -0.0063 -7.0200 -0.8356 4.3116 0.0286 -3.0373 1 2 3 4 6 5 Iteration 26: 0.1915 0.2636 -0.0052 -0.8152 4.3131 0.0211 -3.0510 5 6:C(1)-C(2 Length:1.5253C(1)-C(2)-C(3)键角:105.9oC(1)-C(2)-C(3)-C(4)二面角:180o7: