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Ce2MgAs4Ir3

Alexandria ALEX

Alex-ID: agm004536764 · Space group: P-4m2 (#115)

Basic Information

Formula
Ce2MgAs4Ir3
Alex-ID
agm004536764
Elements
4
Sites
10
Space group
P-4m2 (#115)
Crystal system
tetragonal
Volume
191.95
ų
Cell a
4.3254
Å
Cell b
4.3254
Å
Cell c
10.2597
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ce2MgAs4Ir3
Ce
2.00 · 20.0%
Mg
1.00 · 10.0%
As
4.00 · 40.0%
Ir
3.00 · 30.0%

Energy & Stability

Energy above hull
0.0629
eV/atom
Formation energy
-0.7631
eV/atom
Corrected total energy
-66.2741
eV
Raw total energy
-66.2741
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0065
eV
DOS at Fermi level
9.6247
Total magnetisation
0.8788
μB

Additional Information

Prototype ID

AB2C3D4_7_spg115

Decomposition

CeAsIr Mg3As2 Mg4As6Ir7 As2Ir

Computed at

2022-06-21 08:30:24.208725

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: agm004536764).

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 agm004536764
data_agm004536764
_cell_length_a     4.32543
_cell_length_b     4.32543
_cell_length_c     10.25967
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       191.95155
_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
  Ce1 Ce 0.50000 0.00000 0.23727 1.00000
  Ce2 Ce 0.00000 0.50000 0.76273 1.00000
  Mg1 Mg 0.50000 0.50000 0.50000 1.00000
  As1 As 0.50000 0.50000 0.00000 1.00000
  As2 As 0.00000 0.00000 0.00000 1.00000
  As3 As 0.50000 0.00000 0.64431 1.00000
  As4 As 0.00000 0.50000 0.35569 1.00000
  Ir1 Ir 0.00000 0.00000 0.50000 1.00000
  Ir2 Ir 0.50000 0.00000 0.88379 1.00000
  Ir3 Ir 0.00000 0.50000 0.11621 1.00000
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