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Cs2MgBi2Se5

Alexandria ALEX

Alex-ID: agm030756028 · Space group: Pnma (#62)

Basic Information

Formula
Cs2MgBi2Se5
Alex-ID
agm030756028
Elements
4
Sites
40
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
1,404.83
ų
Cell a
4.3664
Å
Cell b
16.7800
Å
Cell c
19.1740
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs2MgBi2Se5
Cs
8.00 · 20.0%
Mg
4.00 · 10.0%
Bi
8.00 · 20.0%
Se
20.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.9016
eV/atom
Corrected total energy
-150.1547
eV
Raw total energy
-150.1547
eV

Electronic Structure

Indirect band gap
1.4970
eV
Direct band gap
1.5923
eV
DOS at Fermi level
-0.0006
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D5_14_spg62

Decomposition

Cs2MgBi2Se5

Computed at

2025-02-05 15:35:59

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: agm030756028).

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 agm030756028
data_agm030756028
_cell_length_a     4.36636
_cell_length_b     16.77996
_cell_length_c     19.17404
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1404.83101
_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
  Cs1 Cs 0.25000 0.50669 0.37555 1.00000
  Cs2 Cs 0.25000 0.00669 0.12445 1.00000
  Cs3 Cs 0.75000 0.49331 0.62445 1.00000
  Cs4 Cs 0.75000 0.99331 0.87555 1.00000
  Cs5 Cs 0.25000 0.96638 0.61520 1.00000
  Cs6 Cs 0.25000 0.46638 0.88480 1.00000
  Cs7 Cs 0.75000 0.03362 0.38480 1.00000
  Cs8 Cs 0.75000 0.53362 0.11520 1.00000
  Mg1 Mg 0.25000 0.71073 0.64500 1.00000
  Mg2 Mg 0.25000 0.21073 0.85500 1.00000
  Mg3 Mg 0.75000 0.28927 0.35500 1.00000
  Mg4 Mg 0.75000 0.78927 0.14500 1.00000
  Bi1 Bi 0.25000 0.75448 0.98231 1.00000
  Bi2 Bi 0.25000 0.25448 0.51769 1.00000
  Bi3 Bi 0.75000 0.24552 0.01769 1.00000
  Bi4 Bi 0.75000 0.74552 0.48231 1.00000
  Bi5 Bi 0.25000 0.79043 0.30254 1.00000
  Bi6 Bi 0.25000 0.29043 0.19746 1.00000
  Bi7 Bi 0.75000 0.20957 0.69746 1.00000
  Bi8 Bi 0.75000 0.70957 0.80254 1.00000
  Se1 Se 0.25000 0.60738 0.74628 1.00000
  Se2 Se 0.25000 0.10738 0.75372 1.00000
  Se3 Se 0.75000 0.39262 0.25372 1.00000
  Se4 Se 0.75000 0.89262 0.24628 1.00000
  Se5 Se 0.25000 0.63736 0.52621 1.00000
  Se6 Se 0.25000 0.13736 0.97379 1.00000
  Se7 Se 0.75000 0.36264 0.47379 1.00000
  Se8 Se 0.75000 0.86264 0.02621 1.00000
  Se9 Se 0.25000 0.70479 0.15627 1.00000
  Se10 Se 0.25000 0.20479 0.34373 1.00000
  Se11 Se 0.75000 0.29521 0.84373 1.00000
  Se12 Se 0.75000 0.79521 0.65627 1.00000
  Se13 Se 0.25000 0.81991 0.84871 1.00000
  Se14 Se 0.25000 0.31991 0.65129 1.00000
  Se15 Se 0.75000 0.18009 0.15129 1.00000
  Se16 Se 0.75000 0.68009 0.34871 1.00000
  Se17 Se 0.25000 0.86238 0.43983 1.00000
  Se18 Se 0.25000 0.36238 0.06017 1.00000
  Se19 Se 0.75000 0.13762 0.56017 1.00000
  Se20 Se 0.75000 0.63762 0.93983 1.00000
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