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HEAS Data Platform · Materials Science Database

Ba3CaIr2O9

Alexandria ALEX

Alex-ID: agm003239283 · Space group: C2/c (#15)

Basic Information

Formula
Ba3CaIr2O9
Alex-ID
agm003239283
Elements
4
Sites
30
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
455.32
ų
Cell a
5.9677
Å
Cell b
5.9677
Å
Cell c
14.7517
Å
α angle
89.25
°
β angle
89.25
°
γ angle
119.89
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ba3CaIr2O9
Ba
6.00 · 20.0%
Ca
2.00 · 6.7%
Ir
4.00 · 13.3%
O
18.00 · 60.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-2.3754
eV/atom
Corrected total energy
-211.4945
eV
Raw total energy
-198.8533
eV

Electronic Structure

Indirect band gap
0.0133
eV
Direct band gap
0.0373
eV
DOS at Fermi level
19.6279
Total magnetisation
-0.0018
μB

Additional Information

Prototype ID

AB2C3D9_2_spg186

Decomposition

Ba3CaIr2O9

Computed at

2021-12-16 06:17:36.171063

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: agm003239283).

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 agm003239283
data_agm003239283
_cell_length_a     5.96770
_cell_length_b     5.96770
_cell_length_c     14.75168
_cell_angle_alpha  89.24954
_cell_angle_beta   89.24954
_cell_angle_gamma  119.88980
_cell_volume       455.32242
_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 0.67165 0.33761 0.41372 1.00000
  Ba2 Ba 0.66239 0.32835 0.08628 1.00000
  Ba3 Ba 0.00249 0.99751 0.25000 1.00000
  Ba4 Ba 0.99751 0.00249 0.75000 1.00000
  Ba5 Ba 0.33761 0.67165 0.91372 1.00000
  Ba6 Ba 0.32835 0.66239 0.58628 1.00000
  Ca1 Ca 0.00000 0.00000 0.00000 1.00000
  Ca2 Ca 0.00000 0.00000 0.50000 1.00000
  Ir1 Ir 0.65536 0.32340 0.66339 1.00000
  Ir2 Ir 0.67660 0.34464 0.83661 1.00000
  Ir3 Ir 0.34464 0.67660 0.33661 1.00000
  Ir4 Ir 0.32340 0.65536 0.16339 1.00000
  O1 O 0.84108 0.66310 0.90469 1.00000
  O2 O 0.33690 0.15892 0.59531 1.00000
  O3 O 0.15892 0.33690 0.09531 1.00000
  O4 O 0.66310 0.84108 0.40469 1.00000
  O5 O 0.37914 0.19987 0.91955 1.00000
  O6 O 0.80013 0.62086 0.58045 1.00000
  O7 O 0.62086 0.80013 0.08045 1.00000
  O8 O 0.19987 0.37914 0.41955 1.00000
  O9 O 0.84097 0.19889 0.91152 1.00000
  O10 O 0.80111 0.15903 0.58848 1.00000
  O11 O 0.15903 0.80111 0.08848 1.00000
  O12 O 0.19889 0.84097 0.41152 1.00000
  O13 O 0.48919 0.51081 0.25000 1.00000
  O14 O 0.51081 0.48919 0.75000 1.00000
  O15 O 0.02496 0.51078 0.25746 1.00000
  O16 O 0.48922 0.97504 0.24254 1.00000
  O17 O 0.97504 0.48922 0.74254 1.00000
  O18 O 0.51078 0.02496 0.75746 1.00000
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