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Sm2Y2ErMg5

Alexandria ALEX

Alex-ID: agm005135751 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Sm2Y2ErMg5
Alex-ID
agm005135751
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
573.74
ų
Cell a
5.0749
Å
Cell b
10.6327
Å
Cell c
10.6327
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Y2ErMg5
Sm
4.00 · 20.0%
Y
4.00 · 20.0%
Er
2.00 · 10.0%
Mg
10.00 · 50.0%

Energy & Stability

Energy above hull
0.1891
eV/atom
Formation energy
0.0866
eV/atom
Corrected total energy
-68.0854
eV
Raw total energy
-68.0854
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
15.0231
Total magnetisation
-0.0002
μB

Additional Information

Prototype ID

AB2C2D5_50_spg127

Decomposition

SmYMg2 SmMg3 Er2Mg YMg

Computed at

2022-07-15 00:13:30.155002

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: agm005135751).

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 agm005135751
data_agm005135751
_cell_length_a     5.07491
_cell_length_b     10.63266
_cell_length_c     10.63266
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       573.73593
_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 0.12157 0.62157 1.00000
  Sm2 Sm 0.00000 0.87843 0.37843 1.00000
  Sm3 Sm 0.00000 0.62157 0.87843 1.00000
  Sm4 Sm 0.00000 0.37843 0.12157 1.00000
  Y1 Y 0.00000 0.67710 0.17710 1.00000
  Y2 Y 0.00000 0.32290 0.82290 1.00000
  Y3 Y 0.00000 0.17710 0.32290 1.00000
  Y4 Y 0.00000 0.82290 0.67710 1.00000
  Er1 Er 0.00000 0.00000 0.00000 1.00000
  Er2 Er 0.00000 0.50000 0.50000 1.00000
  Mg1 Mg 0.50000 0.19451 0.06768 1.00000
  Mg2 Mg 0.50000 0.80549 0.93232 1.00000
  Mg3 Mg 0.50000 0.06768 0.80549 1.00000
  Mg4 Mg 0.50000 0.69451 0.43232 1.00000
  Mg5 Mg 0.50000 0.93232 0.19451 1.00000
  Mg6 Mg 0.50000 0.30549 0.56768 1.00000
  Mg7 Mg 0.50000 0.56768 0.69451 1.00000
  Mg8 Mg 0.50000 0.43232 0.30549 1.00000
  Mg9 Mg 0.50000 0.50000 0.00000 1.00000
  Mg10 Mg 0.50000 0.00000 0.50000 1.00000
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