Both beginning temp and target temp are 300 K.

Why doesn't this reach 300 K?

Please refer to picture that I attached

INCAR file goes like this

ENCUT = 400

NSW = 50000

IBRION = 0

ISIF = 2

LREAL = Auto

NPAR = 4

EDIFF = 1E-4

IVDW = 11

POTIM = 1

TEBEG = temperature finished just before( at first, 300 )

TEEND = 300

MDALGO = 2

SMASS = 0

ALGO = Very Fast

ISMEAR = 0;

SIGMA = 0.07

LCHARG = .F.

LWAVE = .F.