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Sm2Y4Tm

Alexandria ALEX

Alex-ID: agm024055391 · Space group: C2/m (#12)

Basic Information

Formula
Sm2Y4Tm
Alex-ID
agm024055391
Elements
3
Sites
7
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
226.25
ų
Cell a
6.1906
Å
Cell b
6.1906
Å
Cell c
8.0041
Å
α angle
82.40
°
β angle
97.60
°
γ angle
131.80
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Y4Tm
Sm
2.00 · 28.6%
Y
4.00 · 57.1%
Tm
1.00 · 14.3%

Energy & Stability

Energy above hull
0.0299
eV/atom
Formation energy
0.0231
eV/atom
Corrected total energy
-39.6093
eV
Raw total energy
-39.6093
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.9020
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_190_spg87

Decomposition

Sm2Y SmY2 YTm2

Computed at

2025-06-04 15:55:53

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: agm024055391).

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 agm024055391
data_agm024055391
_cell_length_a     6.19059
_cell_length_b     6.19059
_cell_length_c     8.00415
_cell_angle_alpha  82.40314
_cell_angle_beta   97.59686
_cell_angle_gamma  131.80358
_cell_volume       226.24881
_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 0.85697 0.14303 0.07300 1.00000
  Sm2 Sm 0.14303 0.85697 0.92700 1.00000
  Y1 Y 0.28587 0.71413 0.35865 1.00000
  Y2 Y 0.71413 0.28587 0.64135 1.00000
  Y3 Y 0.42907 0.57093 0.78425 1.00000
  Y4 Y 0.57093 0.42907 0.21575 1.00000
  Tm1 Tm 0.00000 0.00000 0.50000 1.00000
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