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Ba8Ca3(Ir2O9)2

Alexandria ALEX

Alex-ID: agm017103110 · Space group: Pm-3m (#221)

Alexandria Database API

Basic Information

Formula
Ba8Ca3(Ir2O9)2
Alex-ID
agm017103110
Elements
4
Sites
33
Space group
Pm-3m (#221)
Crystal system
cubic
Volume
615.79
ų
Cell a
8.5077
Å
Cell b
8.5077
Å
Cell c
8.5077
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ba8Ca3(Ir2O9)2
Ba
8.00 · 24.2%
Ca
3.00 · 9.1%
Ir
4.00 · 12.1%
O
18.00 · 54.5%

Energy & Stability

Energy above hull
0.0453
eV/atom
Formation energy
-2.4707
eV/atom
Corrected total energy
-227.6130
eV
Raw total energy
-214.9718
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
19.7637
Total magnetisation
8.1067
μB

Additional Information

Prototype ID

A3B4C8D18_0_spg221

Decomposition

Ba3CaIrO6 Ba2CaIrO6 Ir

Computed at

2024-07-25 02:56:13.880111

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: agm017103110).

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 agm017103110
data_agm017103110
_cell_length_a     8.50767
_cell_length_b     8.50767
_cell_length_c     8.50767
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       615.78794
_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 0.23191 0.23191 0.23191 1.00000
  Ba2 Ba 0.76809 0.76809 0.76809 1.00000
  Ba3 Ba 0.76809 0.76809 0.23191 1.00000
  Ba4 Ba 0.76809 0.23191 0.76809 1.00000
  Ba5 Ba 0.23191 0.23191 0.76809 1.00000
  Ba6 Ba 0.23191 0.76809 0.23191 1.00000
  Ba7 Ba 0.23191 0.76809 0.76809 1.00000
  Ba8 Ba 0.76809 0.23191 0.23191 1.00000
  Ca1 Ca 0.50000 0.00000 0.00000 1.00000
  Ca2 Ca 0.00000 0.50000 0.00000 1.00000
  Ca3 Ca 0.00000 0.00000 0.50000 1.00000
  Ir1 Ir 0.00000 0.00000 0.00000 1.00000
  Ir2 Ir 0.00000 0.50000 0.50000 1.00000
  Ir3 Ir 0.50000 0.00000 0.50000 1.00000
  Ir4 Ir 0.50000 0.50000 0.00000 1.00000
  O1 O 0.23746 0.00000 0.00000 1.00000
  O2 O 0.76254 0.00000 0.00000 1.00000
  O3 O 0.00000 0.23746 0.00000 1.00000
  O4 O 0.00000 0.76254 0.00000 1.00000
  O5 O 0.00000 0.00000 0.23746 1.00000
  O6 O 0.00000 0.00000 0.76254 1.00000
  O7 O 0.27058 0.50000 0.00000 1.00000
  O8 O 0.72942 0.50000 0.00000 1.00000
  O9 O 0.00000 0.27058 0.50000 1.00000
  O10 O 0.50000 0.27058 0.00000 1.00000
  O11 O 0.00000 0.72942 0.50000 1.00000
  O12 O 0.50000 0.72942 0.00000 1.00000
  O13 O 0.50000 0.00000 0.27058 1.00000
  O14 O 0.27058 0.00000 0.50000 1.00000
  O15 O 0.50000 0.00000 0.72942 1.00000
  O16 O 0.72942 0.00000 0.50000 1.00000
  O17 O 0.00000 0.50000 0.27058 1.00000
  O18 O 0.00000 0.50000 0.72942 1.00000
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