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Sm3Eu2Mg7

Alexandria ALEX

Alex-ID: agm101238197 · Space group: R-3m (#166)

Basic Information

Formula
Sm3Eu2Mg7
Alex-ID
agm101238197
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
350.43
ų
Cell a
10.8631
Å
Cell b
10.8631
Å
Cell c
10.8631
Å
α angle
33.64
°
β angle
33.64
°
γ angle
33.64
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3Eu2Mg7
Sm
3.00 · 25.0%
Eu
2.00 · 16.7%
Mg
7.00 · 58.3%

Energy & Stability

Energy above hull
0.1407
eV/atom
Formation energy
0.0325
eV/atom
Corrected total energy
-45.4920
eV
Raw total energy
-45.4920
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0012
eV
DOS at Fermi level
13.3010
Total magnetisation
14.5989
μB

Additional Information

Prototype ID

A2B3C7_3_spg166

Decomposition

EuMg2 SmMg

Computed at

2025-05-17 01:39:51

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: agm101238197).

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 agm101238197
data_agm101238197
_cell_length_a     10.86313
_cell_length_b     10.86313
_cell_length_c     10.86313
_cell_angle_alpha  33.63832
_cell_angle_beta   33.63832
_cell_angle_gamma  33.63832
_cell_volume       350.43276
_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 0.50000 0.50000 0.50000 1.00000
  Sm2 Sm 0.36112 0.36112 0.36112 1.00000
  Sm3 Sm 0.63888 0.63888 0.63888 1.00000
  Eu1 Eu 0.16598 0.16598 0.16598 1.00000
  Eu2 Eu 0.83402 0.83402 0.83402 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Mg2 Mg 0.90409 0.90409 0.41600 1.00000
  Mg3 Mg 0.41600 0.90409 0.90409 1.00000
  Mg4 Mg 0.90409 0.41600 0.90409 1.00000
  Mg5 Mg 0.09591 0.09591 0.58400 1.00000
  Mg6 Mg 0.09591 0.58400 0.09591 1.00000
  Mg7 Mg 0.58400 0.09591 0.09591 1.00000
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