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Ba2SrTa2

Alexandria ALEX

Alex-ID: agm002947553 · Space group: I4/mmm (#139)

Basic Information

Formula
Ba2SrTa2
Alex-ID
agm002947553
Elements
3
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
198.53
ų
Cell a
3.8507
Å
Cell b
3.8507
Å
Cell c
13.6630
Å
α angle
81.90
°
β angle
81.90
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ba2SrTa2
Sr
1.00 · 20.0%
Ba
2.00 · 40.0%
Ta
2.00 · 40.0%

Energy & Stability

Energy above hull
0.7190
eV/atom
Formation energy
0.7190
eV/atom
Corrected total energy
-25.6452
eV
Raw total energy
-25.6452
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0004
eV
DOS at Fermi level
7.4466
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_168_spg139

Decomposition

Ba15Sr Sr Ta

Computed at

2016-12-10 11:13:51

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: agm002947553).

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 agm002947553
data_agm002947553
_cell_length_a     3.85072
_cell_length_b     3.85072
_cell_length_c     13.66295
_cell_angle_alpha  81.89901
_cell_angle_beta   81.89901
_cell_angle_gamma  90.00000
_cell_volume       198.53105
_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
  Sr1 Sr 0.00000 0.00000 0.00000 1.00000
  Ba1 Ba 0.36517 0.36517 0.26966 1.00000
  Ba2 Ba 0.63483 0.63483 0.73034 1.00000
  Ta1 Ta 0.75000 0.25000 0.50000 1.00000
  Ta2 Ta 0.25000 0.75000 0.50000 1.00000
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