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最近刚开始学lammps,希望各位大神不吝赐教
我用ms将并五苯的cif文件转化为.car文件和.mdf文件,其中保存的力场为dreiding,在lammps用 msi2lmp.exe PENCEN11 -p 2 -c 1 -f ../frc_files/cvff -i 命令进行转换,在屏幕上显示:
Get force field parameters for this system
Trying Atom Equivalences if needed
Unable to find mass for xx
Unable to find equivalent type for xx
Unable to find vdw data for xx
Unable to find equivalent type for xx
Unable to find equivalent type for xx
Unable to find bond data for xx xx
Unable to find equivalent type for xx
Unable to find equivalent type for xx
Unable to find equivalent type for xx
Unable to find angle data for xx xx xx
Unable to find equivalent type for xx
Unable to find equivalent type for xx
Unable to find equivalent type for xx
Unable to find equivalent type for xx
Unable to find torsion data for xx xx xx xx
Unable to find equivalent type for xx
Unable to find equivalent type for xx
Unable to find equivalent type for xx
Unable to find equivalent type for xx
Unable to find oop data for xx xx xx xx
请问这是由于啥原因引起的?应该怎么解决? 跪谢大佬!
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