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Ac8Sm2Mg

Alexandria ALEX

Alex-ID: agm005992072 · Space group: Immm (#71)

Basic Information

Formula
Ac8Sm2Mg
Alex-ID
agm005992072
Elements
3
Sites
11
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
464.30
ų
Cell a
5.8403
Å
Cell b
9.7566
Å
Cell c
9.9364
Å
α angle
119.41
°
β angle
107.09
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac8Sm2Mg
Ac
8.00 · 72.7%
Sm
2.00 · 18.2%
Mg
1.00 · 9.1%

Energy & Stability

Energy above hull
0.1408
eV/atom
Formation energy
0.1231
eV/atom
Corrected total energy
-42.5545
eV
Raw total energy
-42.5545
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0062
eV
DOS at Fermi level
15.9061
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C8_280_spg71

Decomposition

SmMg Ac Sm

Computed at

2023-09-27 05:16:15

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: agm005992072).

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 agm005992072
data_agm005992072
_cell_length_a     5.84029
_cell_length_b     9.75663
_cell_length_c     9.93644
_cell_angle_alpha  119.41318
_cell_angle_beta   107.09054
_cell_angle_gamma  90.00000
_cell_volume       464.29677
_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
  Ac1 Ac 0.65571 0.87086 0.31143 1.00000
  Ac2 Ac 0.34445 0.55945 0.68889 1.00000
  Ac3 Ac 0.14290 0.14300 0.28581 1.00000
  Ac4 Ac 0.99994 0.31540 0.99988 1.00000
  Ac5 Ac 0.85710 0.85700 0.71419 1.00000
  Ac6 Ac 0.65555 0.44055 0.31111 1.00000
  Ac7 Ac 0.34429 0.12914 0.68857 1.00000
  Ac8 Ac 0.00006 0.68460 0.00012 1.00000
  Sm1 Sm 0.20336 0.70324 0.40672 1.00000
  Sm2 Sm 0.79664 0.29676 0.59328 1.00000
  Mg1 Mg 0.50000 0.00000 0.00000 1.00000
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