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K2Ba(AsO3)2

Alexandria ALEX

Alex-ID: agm004572007 · Space group: P-3 (#147)

Alexandria Database API

Basic Information

Formula
K2Ba(AsO3)2
Alex-ID
agm004572007
Elements
4
Sites
11
Space group
P-3 (#147)
Crystal system
trigonal
Volume
241.11
ų
Cell a
6.3527
Å
Cell b
6.3527
Å
Cell c
6.8988
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Ba(AsO3)2
K
2.00 · 18.2%
Ba
1.00 · 9.1%
As
2.00 · 18.2%
O
6.00 · 54.5%

Energy & Stability

Energy above hull
0.2399
eV/atom
Formation energy
-2.0252
eV/atom
Corrected total energy
-65.4521
eV
Raw total energy
-61.2384
eV

Electronic Structure

Indirect band gap
0.3170
eV
Direct band gap
0.4679
eV
DOS at Fermi level
1.1496
Total magnetisation
2.0034
μB

Additional Information

Prototype ID

AB2C2D6_19_spg147

Decomposition

KBaAsO4 KAsO2

Computed at

2022-06-24 13:55:04.795326

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: agm004572007).

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 agm004572007
data_agm004572007
_cell_length_a     6.35267
_cell_length_b     6.35267
_cell_length_c     6.89884
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       241.11210
_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
  K1 K 0.33333 0.66667 0.37984 1.00000
  K2 K 0.66667 0.33333 0.62016 1.00000
  Ba1 Ba 0.00000 0.00000 0.00000 1.00000
  As1 As 0.33333 0.66667 0.85626 1.00000
  As2 As 0.66667 0.33333 0.14374 1.00000
  O1 O 0.29506 0.39203 0.77090 1.00000
  O2 O 0.09697 0.70494 0.77090 1.00000
  O3 O 0.60797 0.90303 0.77090 1.00000
  O4 O 0.70494 0.60797 0.22910 1.00000
  O5 O 0.90303 0.29506 0.22910 1.00000
  O6 O 0.39203 0.09697 0.22910 1.00000
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