Navigation

HEAS Data Platform · Materials Science Database

BaO2

Alexandria ALEX

Alex-ID: agm005254010 · Space group: P2_1/c (#14)

Basic Information

Formula
BaO2
Alex-ID
agm005254010
Elements
2
Sites
24
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
461.88
ų
Cell a
7.9414
Å
Cell b
7.1005
Å
Cell c
9.9661
Å
α angle
55.27
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
BaO2
Ba
8.00 · 33.3%
O
16.00 · 66.7%

Energy & Stability

Energy above hull
0.6084
eV/atom
Formation energy
-1.5805
eV/atom
Corrected total energy
-132.6443
eV
Raw total energy
-125.1848
eV

Electronic Structure

Indirect band gap
0.0324
eV
Direct band gap
0.0484
eV
DOS at Fermi level
8.6448
Total magnetisation
16.0110
μB

Additional Information

Prototype ID

AB2_6096_spg14

Decomposition

BaO3 BaO

Computed at

2023-05-09 22:28:40.319778

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm005254010).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm005254010
data_agm005254010
_cell_length_a     7.94136
_cell_length_b     7.10054
_cell_length_c     9.96609
_cell_angle_alpha  55.27447
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       461.87501
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Ba1 Ba 0.88379 0.41468 0.86261 1.00000
  Ba2 Ba 0.61621 0.41468 0.36261 1.00000
  Ba3 Ba 0.11621 0.58532 0.13739 1.00000
  Ba4 Ba 0.38379 0.58532 0.63739 1.00000
  Ba5 Ba 0.96152 0.92981 0.33300 1.00000
  Ba6 Ba 0.53848 0.92981 0.83300 1.00000
  Ba7 Ba 0.03848 0.07019 0.66700 1.00000
  Ba8 Ba 0.46152 0.07019 0.16700 1.00000
  O1 O 0.07403 0.73535 0.63010 1.00000
  O2 O 0.42597 0.73535 0.13010 1.00000
  O3 O 0.92597 0.26465 0.36990 1.00000
  O4 O 0.57403 0.26465 0.86990 1.00000
  O5 O 0.15845 0.26415 0.06951 1.00000
  O6 O 0.34155 0.26415 0.56951 1.00000
  O7 O 0.84155 0.73585 0.93049 1.00000
  O8 O 0.65845 0.73585 0.43049 1.00000
  O9 O 0.12735 0.08349 0.94120 1.00000
  O10 O 0.37265 0.08349 0.44120 1.00000
  O11 O 0.87265 0.91651 0.05880 1.00000
  O12 O 0.62735 0.91651 0.55880 1.00000
  O13 O 0.25914 0.67537 0.34788 1.00000
  O14 O 0.24086 0.67537 0.84788 1.00000
  O15 O 0.74086 0.32463 0.65212 1.00000
  O16 O 0.75914 0.32463 0.15212 1.00000
Get direct link