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BaMg2GeOs

Alexandria ALEX

Alex-ID: agm001632829 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
BaMg2GeOs
Alex-ID
agm001632829
Elements
4
Sites
5
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
127.67
ų
Cell a
5.1516
Å
Cell b
5.1516
Å
Cell c
4.8109
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
BaMg2GeOs
Mg
2.00 · 40.0%
Ge
1.00 · 20.0%
Os
1.00 · 20.0%
Ba
1.00 · 20.0%

Energy & Stability

Energy above hull
0.1576
eV/atom
Formation energy
-0.1650
eV/atom
Corrected total energy
-21.7842
eV
Raw total energy
-21.7842
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0626
eV
DOS at Fermi level
1.9147
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_2_spg123

Decomposition

Ba5Mg19Ge12 Ba2Mg17 BaMgGe Os

Computed at

2020-03-08 09:36:11

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: agm001632829).

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 agm001632829
data_agm001632829
_cell_length_a     5.15155
_cell_length_b     5.15155
_cell_length_c     4.81091
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       127.67442
_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
  Mg1 Mg 0.00000 0.50000 0.00000 1.00000
  Mg2 Mg 0.50000 0.00000 0.00000 1.00000
  Ge1 Ge 0.00000 0.00000 0.50000 1.00000
  Os1 Os 0.00000 0.00000 0.00000 1.00000
  Ba1 Ba 0.50000 0.50000 0.50000 1.00000
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