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Sm3Ho8Er

Alexandria ALEX

Alex-ID: agm017285333 · Space group: P-31m (#162)

Basic Information

Formula
Sm3Ho8Er
Alex-ID
agm017285333
Elements
3
Sites
12
Space group
P-31m (#162)
Crystal system
trigonal
Volume
377.64
ų
Cell a
6.1671
Å
Cell b
6.1671
Å
Cell c
11.4653
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3Ho8Er
Sm
3.00 · 25.0%
Ho
8.00 · 66.7%
Er
1.00 · 8.3%

Energy & Stability

Energy above hull
0.0074
eV/atom
Formation energy
0.0027
eV/atom
Corrected total energy
-55.3298
eV
Raw total energy
-55.3298
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0039
eV
DOS at Fermi level
14.8886
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C8_594_spg2

Decomposition

Sm3(Ho2Er)2 HoEr5 Sm2Ho7

Computed at

2025-02-28 19:52:46

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: agm017285333).

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 agm017285333
data_agm017285333
_cell_length_a     6.16708
_cell_length_b     6.16708
_cell_length_c     11.46533
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       377.63817
_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 0.66667 0.33333 0.50000 1.00000
  Sm2 Sm 0.33333 0.66667 0.50000 1.00000
  Sm3 Sm 0.00000 0.00000 0.50000 1.00000
  Ho1 Ho 0.33322 0.00000 0.24749 1.00000
  Ho2 Ho 0.33322 0.33322 0.75251 1.00000
  Ho3 Ho 0.66678 0.00000 0.75251 1.00000
  Ho4 Ho 0.00000 0.33322 0.24749 1.00000
  Ho5 Ho 0.66678 0.66678 0.24749 1.00000
  Ho6 Ho 0.00000 0.66678 0.75251 1.00000
  Ho7 Ho 0.33333 0.66667 0.00000 1.00000
  Ho8 Ho 0.66667 0.33333 0.00000 1.00000
  Er1 Er 0.00000 0.00000 0.00000 1.00000
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