Germanium

Datasets:

name

valence electrons

frozen core electrons

default

4

28

4 valence electrons

Radial cutoffs and eigenvalues:

id

occ

eig [eV]

cutoff [Bohr]

1s

2

-10954.707

2s

2

-1371.237

2p

6

-1198.766

3s

2

-168.413

3p

6

-115.631

3d

10

-29.312

4s

2

-11.726

1.90

4p

2

-3.896

1.90

s

0

15.485

1.90

p

0

23.315

1.90

d

0

0.000

1.90

The figure shows convergence of the absolute energy (blue line) and atomization energy (orange line) of a Ge dimer relative to completely converged numbers (plane-wave calculation at 1500 eV). Also shown are finite-difference and LCAO (dzp) calculations at gridspacings 0.143 Å, 0.167 Å and 0.200 Å.

../_images/Ge.default.png

Egg-box errors in finite-difference mode:

grid-spacing [Å]

energy error [eV]

0.16

0.0016

0.18

0.0016

0.20

0.0014