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Sm2YPt9

Alexandria ALEX

Alex-ID: agm043335985 · Space group: P4/mmm (#123)

Basic Information

Formula
Sm2YPt9
Alex-ID
agm043335985
Elements
3
Sites
12
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
215.19
ų
Cell a
4.1551
Å
Cell b
4.1551
Å
Cell c
12.4645
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2YPt9
Sm
2.00 · 16.7%
Y
1.00 · 8.3%
Pt
9.00 · 75.0%

Energy & Stability

Energy above hull
0.0032
eV/atom
Formation energy
-0.9156
eV/atom
Corrected total energy
-81.6890
eV
Raw total energy
-81.6890
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.9258
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C9_118_spg10

Decomposition

SmY4Pt15 SmPt3

Computed at

2024-11-13 23:34:54.835420

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: agm043335985).

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 agm043335985
data_agm043335985
_cell_length_a     4.15508
_cell_length_b     4.15508
_cell_length_c     12.46446
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       215.19499
_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 0.33236 1.00000
  Sm2 Sm 0.50000 0.50000 0.66764 1.00000
  Y1 Y 0.50000 0.50000 0.00000 1.00000
  Pt1 Pt 0.00000 0.00000 0.00000 1.00000
  Pt2 Pt 0.00000 0.00000 0.33187 1.00000
  Pt3 Pt 0.00000 0.00000 0.66813 1.00000
  Pt4 Pt 0.00000 0.50000 0.16386 1.00000
  Pt5 Pt 0.00000 0.50000 0.50000 1.00000
  Pt6 Pt 0.00000 0.50000 0.83614 1.00000
  Pt7 Pt 0.50000 0.00000 0.16386 1.00000
  Pt8 Pt 0.50000 0.00000 0.50000 1.00000
  Pt9 Pt 0.50000 0.00000 0.83614 1.00000
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