Table 3 Key, value data type, and value description for workflow_data.json entries continued.

From: An automatically curated first-principles database of ferroelectrics

Key

Type

Description

energies

floats list

Energy in eV for each static calculation structure.

energies_per_atom

floats list

Energy per atom in eV for each static calculation structure.

energies_per_atom_max_spline_jumps

float

Max jump between spline and data for energy per atom.

energies_per_atom_smoothness

float

Average jump between spline and data for energy per atom.

calculated_max_distance

float

Calculated max distortion distance. Compare to dmax in distortion.json entries.

zval_dict

dict

dict with keys of species and values of ZVAL in number of electrons.

hubbards

dict

dict with keys of species and values of Hubbard U correction in eV pairs.

cbms

floats list

Conduction band minimum per static calculation computed structures.

vbms

floats list

Valence band maximum per static calculation computed structures.

stresses

floats lists list

Stress tensor per static calculation computed structures.

charges

floats dicts lists list

Charges projected onto spd orbitals per atom per static calculation computed structures.

magnetization

floats lists list

Magnetization in Bohr magnetons per atom per static calculation computed structures.

total_magnetization

floats list

Total magnetization in Bohr magnetons per static calculation computed structures.

forces

floats lists list

Cartesian forces per atom per static calculation computed structures.

bandgaps

floats list

list of band gaps in eV for static calculation computed structures.