Chromium¶
Datasets:
name |
valence electrons |
frozen core electrons |
|---|---|---|
default |
6 |
18 |
6 valence electrons¶
Radial cutoffs and eigenvalues:
id |
occ |
eig [eV] |
cutoff [Bohr] |
|---|---|---|---|
1s |
2 |
-5879.193 |
|
2s |
2 |
-667.014 |
|
2p |
6 |
-560.714 |
|
3s |
2 |
-73.975 |
|
3p |
6 |
-45.446 |
|
4s |
1 |
-4.007 |
2.20 |
4p |
0 |
-0.989 |
2.30 |
3d |
5 |
-2.913 |
2.10 |
s |
0 |
23.205 |
2.20 |
p |
0 |
26.222 |
2.30 |
d |
0 |
24.299 |
2.10 |
The figure shows convergence of the absolute energy (red line) and atomization energy (green line) of a Cr 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.
Egg-box errors in finite-difference mode:
grid-spacing [Å] |
energy error [eV] |
|---|---|
0.16 |
0.0009 |
0.18 |
0.0012 |
0.20 |
0.0015 |