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Pm2Mg5Cd12

Alexandria ALEX

Alex-ID: agm005677384 · Space group: R-3m (#166)

Basic Information

Formula
Pm2Mg5Cd12
Alex-ID
agm005677384
Elements
3
Sites
19
Space group
R-3m (#166)
Crystal system
trigonal
Volume
434.34
ų
Cell a
7.6427
Å
Cell b
7.6427
Å
Cell c
7.6427
Å
α angle
81.94
°
β angle
81.94
°
γ angle
81.94
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2Mg5Cd12
Pm
2.00 · 10.5%
Mg
5.00 · 26.3%
Cd
12.00 · 63.2%

Energy & Stability

Energy above hull
0.0118
eV/atom
Formation energy
-0.1824
eV/atom
Corrected total energy
-32.0222
eV
Raw total energy
-32.0222
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.3895
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B5C12_273_spg166

Decomposition

Pm(MgCd2)4 PmMgCd4

Computed at

2023-06-25 23:08:35.863758

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: agm005677384).

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 agm005677384
data_agm005677384
_cell_length_a     7.64274
_cell_length_b     7.64274
_cell_length_c     7.64274
_cell_angle_alpha  81.94318
_cell_angle_beta   81.94317
_cell_angle_gamma  81.94318
_cell_volume       434.33537
_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 0.66728 0.66728 0.66728 1.00000
  Pm2 Pm 0.33272 0.33272 0.33272 1.00000
  Mg1 Mg 0.00000 0.00000 0.50000 1.00000
  Mg2 Mg 0.00000 0.50000 0.00000 1.00000
  Mg3 Mg 0.50000 0.00000 0.00000 1.00000
  Mg4 Mg 0.89863 0.89863 0.89863 1.00000
  Mg5 Mg 0.10137 0.10137 0.10137 1.00000
  Cd1 Cd 0.29523 0.70477 0.00000 1.00000
  Cd2 Cd 0.70477 1.00000 0.29523 1.00000
  Cd3 Cd 0.00000 0.29523 0.70477 1.00000
  Cd4 Cd 0.70477 0.29523 1.00000 1.00000
  Cd5 Cd 0.29523 0.00000 0.70477 1.00000
  Cd6 Cd 1.00000 0.70477 0.29523 1.00000
  Cd7 Cd 0.35758 0.35758 0.84696 1.00000
  Cd8 Cd 0.35758 0.84696 0.35758 1.00000
  Cd9 Cd 0.84696 0.35758 0.35758 1.00000
  Cd10 Cd 0.64242 0.15304 0.64242 1.00000
  Cd11 Cd 0.64242 0.64242 0.15304 1.00000
  Cd12 Cd 0.15304 0.64242 0.64242 1.00000
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