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CaMgBi

Alexandria ALEX

Alex-ID: agm005676761 · Space group: I4/mmm (#139)

Basic Information

Formula
CaMgBi
Alex-ID
agm005676761
Elements
3
Sites
6
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
172.70
ų
Cell a
4.5696
Å
Cell b
4.5696
Å
Cell c
8.8795
Å
α angle
104.91
°
β angle
104.91
°
γ angle
89.99
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaMgBi
Ca
2.00 · 33.3%
Mg
2.00 · 33.3%
Bi
2.00 · 33.3%

Energy & Stability

Energy above hull
0.0131
eV/atom
Formation energy
-0.5888
eV/atom
Corrected total energy
-18.4878
eV
Raw total energy
-18.4878
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1019
eV
DOS at Fermi level
1.3571
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC_27_spg139

Decomposition

Ca2MgBi2 Mg

Computed at

2023-06-19 10:32:29.508753

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: agm005676761).

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 agm005676761
data_agm005676761
_cell_length_a     4.56955
_cell_length_b     4.56955
_cell_length_c     8.87950
_cell_angle_alpha  104.91296
_cell_angle_beta   104.91297
_cell_angle_gamma  89.99057
_cell_volume       172.69768
_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
  Ca1 Ca 0.33428 0.33428 0.66855 1.00000
  Ca2 Ca 0.66572 0.66572 0.33145 1.00000
  Mg1 Mg 0.50000 0.00000 0.00000 1.00000
  Mg2 Mg 0.00000 0.50000 0.00000 1.00000
  Bi1 Bi 0.86580 0.86580 0.73160 1.00000
  Bi2 Bi 0.13420 0.13420 0.26840 1.00000
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