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Pm2HoMgCd4

Alexandria ALEX

Alex-ID: agm047445709 · Space group: R-3m (#166)

Basic Information

Formula
Pm2HoMgCd4
Alex-ID
agm047445709
Elements
4
Sites
8
Space group
R-3m (#166)
Crystal system
trigonal
Volume
207.67
ų
Cell a
9.1991
Å
Cell b
9.1991
Å
Cell c
9.1991
Å
α angle
33.19
°
β angle
33.19
°
γ angle
33.19
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2HoMgCd4
Pm
2.00 · 25.0%
Ho
1.00 · 12.5%
Mg
1.00 · 12.5%
Cd
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0114
eV/atom
Formation energy
-0.3088
eV/atom
Corrected total energy
-21.8393
eV
Raw total energy
-21.8393
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.9381
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_43_spg5

Decomposition

PmCd HoCd PmMgCd2

Computed at

2025-07-01 05:15:57

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: agm047445709).

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 agm047445709
data_agm047445709
_cell_length_a     9.19912
_cell_length_b     9.19912
_cell_length_c     9.19912
_cell_angle_alpha  33.19097
_cell_angle_beta   33.19097
_cell_angle_gamma  33.19097
_cell_volume       207.67329
_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
  Pm1 Pm 0.24632 0.24632 0.24632 1.00000
  Pm2 Pm 0.75368 0.75368 0.75368 1.00000
  Ho1 Ho 0.00000 0.00000 0.00000 1.00000
  Mg1 Mg 0.50000 0.50000 0.50000 1.00000
  Cd1 Cd 0.62613 0.62613 0.62613 1.00000
  Cd2 Cd 0.12460 0.12460 0.12460 1.00000
  Cd3 Cd 0.87540 0.87540 0.87540 1.00000
  Cd4 Cd 0.37387 0.37387 0.37387 1.00000
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