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Sm3MgGa2

Alexandria ALEX

Alex-ID: agm034700409 · Space group: Cmmm (#65)

Basic Information

Formula
Sm3MgGa2
Alex-ID
agm034700409
Elements
3
Sites
6
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
152.84
ų
Cell a
8.2933
Å
Cell b
8.2933
Å
Cell c
3.7185
Å
α angle
90.00
°
β angle
90.00
°
γ angle
143.30
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3MgGa2
Sm
3.00 · 50.0%
Mg
1.00 · 16.7%
Ga
2.00 · 33.3%

Energy & Stability

Energy above hull
0.0360
eV/atom
Formation energy
-0.4205
eV/atom
Corrected total energy
-24.3466
eV
Raw total energy
-24.3466
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.6438
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_3_spg65

Decomposition

Sm3Ga2 SmMgGa Sm

Computed at

2025-04-13 16:39:02

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: agm034700409).

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 agm034700409
data_agm034700409
_cell_length_a     8.29329
_cell_length_b     8.29329
_cell_length_c     3.71854
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  143.30280
_cell_volume       152.83623
_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 0.50000 1.00000
  Sm2 Sm 0.67456 0.32544 0.50000 1.00000
  Sm3 Sm 0.32544 0.67456 0.50000 1.00000
  Mg1 Mg 0.50000 0.50000 0.00000 1.00000
  Ga1 Ga 0.15683 0.84317 0.00000 1.00000
  Ga2 Ga 0.84317 0.15683 0.00000 1.00000
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