-5 说明书上说的推荐就是-5 呀,
−2 partial occupancies are read in from WAVECAR (or INCAR), and kept fixed throughout run.
There should be a tag
FERWE = f1 f2 f3 ....
不知你加了没有。-5只是说Theonly drawback is that the methods is not variational with respect to the partial occupancies.没说其他不好呀