AMS软件不仅提供基于STO基组LCAO方法的周期性DFT计算模块BAND,也集成了开源软件Quantum ESPRESSO,为它提供无缝衔接的输入设置与输出结果分析、显示。
SCM → Output打开输出文件,窗口底部搜索“Forces acting on atoms”,可以看到类似如下内容:
Forces acting on atoms (cartesian axes, Ry/au): atom 1 type 1 force = 0.03700647 -0.06115831 0.00218578 atom 2 type 1 force = -0.03702985 -0.06112002 0.00181016 atom 3 type 1 force = 0.04087611 0.06066577 0.00442889 atom 4 type 1 force = -0.03592144 0.06254055 0.00092244 atom 5 type 1 force = -0.07123133 0.00105399 0.00202996 atom 6 type 1 force = 0.07157081 -0.00022164 0.00297182 atom 7 type 2 force = -0.00239153 -0.00009510 -0.00775077 atom 8 type 2 force = -0.00073065 0.00056528 -0.00117456 atom 9 type 2 force = -0.00214858 -0.00223053 -0.00542371 Total force = 0.176396 Total SCF correction = 0.000933 Computing stress (Cartesian axis) and pressure total stress (Ry/bohr**3) (kbar) P= -1629.20 -0.01104628 -0.00000121 0.00000223 -1624.96 -0.18 0.33 -0.00000121 -0.01105673 -0.00000762 -0.18 -1626.50 -1.12 0.00000223 -0.00000762 -0.01112226 0.33 -1.12 -1636.14