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SmMg4Cd

Alexandria ALEX

Alex-ID: agm005855152 · Space group: P4/mmm (#123)

Basic Information

Formula
SmMg4Cd
Alex-ID
agm005855152
Elements
3
Sites
6
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
145.95
ų
Cell a
3.5512
Å
Cell b
3.5514
Å
Cell c
11.5726
Å
α angle
90.00
°
β angle
90.00
°
γ angle
89.99
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmMg4Cd
Sm
1.00 · 16.7%
Mg
4.00 · 66.7%
Cd
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0737
eV/atom
Formation energy
-0.0750
eV/atom
Corrected total energy
-12.4755
eV
Raw total energy
-12.4755
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0063
eV
DOS at Fermi level
3.3629
Total magnetisation
0.2928
μB

Additional Information

Prototype ID

ABC4_506_spg123

Decomposition

Sm5Mg41 Sm2(MgCd)3 Mg

Computed at

2023-08-05 02:09:21.942951

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: agm005855152).

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 agm005855152
data_agm005855152
_cell_length_a     3.55119
_cell_length_b     3.55139
_cell_length_c     11.57261
_cell_angle_alpha  89.99735
_cell_angle_beta   89.99774
_cell_angle_gamma  89.99441
_cell_volume       145.94986
_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
  Sm1 Sm 0.00000 0.00000 0.00000 1.00000
  Mg1 Mg 0.50001 0.50001 0.80693 1.00000
  Mg2 Mg 0.49999 0.49999 0.19307 1.00000
  Mg3 Mg 0.99999 0.99998 0.35203 1.00000
  Mg4 Mg 0.00001 0.00002 0.64797 1.00000
  Cd1 Cd 0.50000 0.50000 0.50000 1.00000
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