Na.1

PAW-potentials:

name

valence electrons

frozen core electrons

default

7

4

'1'

1

10

7 valence electrons

Radial cutoffs and eigenvalues:

id

occ

eig [eV]

cutoff [Bohr]

3s

1

-2.744

2.27

2p

6

-28.672

2.30

3p

0

-0.743

2.30

s

0

24.468

2.27

d

0

0.000

2.34

The figure shows convergence of the absolute FCC-energy (blue lines) and BCC-FCC energy difference (orange lines) relative to converged numbers (plane-wave calculation at 1200 eV).

../_images/Na.png

mode

E(FCC) [eV/atom]

E(BCC) [eV/atom]

E(BCC)-E(FCC) [eV/atom]

PW(ecut=1200)

-1.339

-1.325

0.014

FD(h=0.13,0.12)

-1.340

-1.326

0.014

LCAO(h=0.13,0.12)

-1.290

-1.277

0.013

Egg-box errors in finite-difference mode:

grid-spacing [Å]

energy variation [meV]

0.13

0.075

0.15

0.239

0.19

0.577

1 valence electron

Radial cutoffs and eigenvalues:

id

occ

eig [eV]

cutoff [Bohr]

3s

1

-2.744

2.55

3p

0

-0.743

2.55

s

0

24.468

2.55

The figure shows convergence of the absolute FCC-energy (blue lines) and BCC-FCC energy difference (orange lines) relative to converged numbers (plane-wave calculation at 1200 eV).

../_images/Na.1.png

mode

E(FCC) [eV/atom]

E(BCC) [eV/atom]

E(BCC)-E(FCC) [eV/atom]

PW(ecut=1200)

-1.320

-1.305

0.014

FD(h=0.13,0.12)

-1.320

-1.305

0.014

LCAO(h=0.13,0.12)

-1.242

-1.229

0.012

Egg-box errors in finite-difference mode:

grid-spacing [Å]

energy variation [meV]

0.13

0.004

0.15

0.015

0.19

0.043