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La7Sm

Alexandria ALEX

Alex-ID: agm017646793 · Space group: C2/m (#12)

Basic Information

Formula
La7Sm
Alex-ID
agm017646793
Elements
2
Sites
8
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
290.48
ų
Cell a
7.4236
Å
Cell b
7.4236
Å
Cell c
6.4475
Å
α angle
73.39
°
β angle
106.61
°
γ angle
119.99
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La7Sm
La
7.00 · 87.5%
Sm
1.00 · 12.5%

Energy & Stability

Energy above hull
0.0143
eV/atom
Formation energy
0.0111
eV/atom
Corrected total energy
-39.1266
eV
Raw total energy
-39.1266
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0158
eV
DOS at Fermi level
15.7976
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB7_156_spg166

Decomposition

La5Sm La

Computed at

2025-02-05 12:12:03

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: agm017646793).

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 agm017646793
data_agm017646793
_cell_length_a     7.42362
_cell_length_b     7.42362
_cell_length_c     6.44746
_cell_angle_alpha  73.38623
_cell_angle_beta   106.61377
_cell_angle_gamma  119.99299
_cell_volume       290.48192
_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
  La1 La 0.24978 0.24978 0.00000 1.00000
  La2 La 0.75022 0.75022 0.00000 1.00000
  La3 La 0.74996 0.25004 0.99894 1.00000
  La4 La 0.25004 0.74996 0.00106 1.00000
  La5 La 0.00000 0.00000 0.50000 1.00000
  La6 La 0.50000 0.00000 0.50000 1.00000
  La7 La 0.00000 0.50000 0.50000 1.00000
  Sm1 Sm 0.50000 0.50000 0.50000 1.00000
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