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SmGe3Pt5

Alexandria ALEX

Alex-ID: agm012394077 · Space group: P6_3/m (#176)

Basic Information

Formula
SmGe3Pt5
Alex-ID
agm012394077
Elements
3
Sites
54
Space group
P6_3/m (#176)
Crystal system
hexagonal
Volume
946.28
ų
Cell a
16.3967
Å
Cell b
16.3967
Å
Cell c
4.0642
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmGe3Pt5
Sm
6.00 · 11.1%
Ge
18.00 · 33.3%
Pt
30.00 · 55.6%

Energy & Stability

Energy above hull
0.0267
eV/atom
Formation energy
-0.6741
eV/atom
Corrected total energy
-330.4949
eV
Raw total energy
-330.4949
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
22.0473
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C5_126_spg176

Decomposition

Sm2Ge4Pt7 Sm2GePt6 GePt

Computed at

2024-11-07 13:47:45.044712

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: agm012394077).

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 agm012394077
data_agm012394077
_cell_length_a     16.39669
_cell_length_b     16.39669
_cell_length_c     4.06422
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       946.28089
_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 0.61336 0.70914 0.25000 1.00000
  Sm2 Sm 0.70914 0.09578 0.75000 1.00000
  Sm3 Sm 0.90422 0.61336 0.75000 1.00000
  Sm4 Sm 0.09578 0.38664 0.25000 1.00000
  Sm5 Sm 0.29086 0.90422 0.25000 1.00000
  Sm6 Sm 0.38664 0.29086 0.75000 1.00000
  Ge1 Ge 0.45063 0.68094 0.75000 1.00000
  Ge2 Ge 0.68094 0.23031 0.25000 1.00000
  Ge3 Ge 0.76969 0.45063 0.25000 1.00000
  Ge4 Ge 0.23031 0.54937 0.75000 1.00000
  Ge5 Ge 0.31906 0.76969 0.75000 1.00000
  Ge6 Ge 0.54937 0.31906 0.25000 1.00000
  Ge7 Ge 0.88426 0.75473 0.25000 1.00000
  Ge8 Ge 0.11574 0.24527 0.75000 1.00000
  Ge9 Ge 0.12953 0.88426 0.75000 1.00000
  Ge10 Ge 0.24527 0.12953 0.25000 1.00000
  Ge11 Ge 0.37174 0.43255 0.25000 1.00000
  Ge12 Ge 0.43255 0.06080 0.75000 1.00000
  Ge13 Ge 0.93920 0.37174 0.75000 1.00000
  Ge14 Ge 0.06080 0.62826 0.25000 1.00000
  Ge15 Ge 0.56745 0.93920 0.25000 1.00000
  Ge16 Ge 0.62826 0.56745 0.75000 1.00000
  Ge17 Ge 0.75473 0.87047 0.75000 1.00000
  Ge18 Ge 0.87047 0.11574 0.25000 1.00000
  Pt1 Pt 0.46566 0.54052 0.75000 1.00000
  Pt2 Pt 0.15625 0.74530 0.75000 1.00000
  Pt3 Pt 0.25470 0.41094 0.75000 1.00000
  Pt4 Pt 0.74530 0.58906 0.25000 1.00000
  Pt5 Pt 0.84375 0.25470 0.25000 1.00000
  Pt6 Pt 0.41094 0.15625 0.25000 1.00000
  Pt7 Pt 0.66478 0.43423 0.75000 1.00000
  Pt8 Pt 0.43423 0.76945 0.25000 1.00000
  Pt9 Pt 0.23055 0.66478 0.25000 1.00000
  Pt10 Pt 0.76945 0.33522 0.75000 1.00000
  Pt11 Pt 0.56577 0.23055 0.75000 1.00000
  Pt12 Pt 0.33522 0.56577 0.25000 1.00000
  Pt13 Pt 0.13269 0.10015 0.75000 1.00000
  Pt14 Pt 0.10015 0.96746 0.25000 1.00000
  Pt15 Pt 0.03254 0.13269 0.25000 1.00000
  Pt16 Pt 0.96746 0.86731 0.75000 1.00000
  Pt17 Pt 0.89985 0.03254 0.75000 1.00000
  Pt18 Pt 0.86731 0.89985 0.25000 1.00000
  Pt19 Pt 0.92514 0.46566 0.25000 1.00000
  Pt20 Pt 0.07486 0.53434 0.75000 1.00000
  Pt21 Pt 0.45948 0.92514 0.75000 1.00000
  Pt22 Pt 0.53434 0.45948 0.25000 1.00000
  Pt23 Pt 0.72591 0.95875 0.25000 1.00000
  Pt24 Pt 0.95875 0.23284 0.75000 1.00000
  Pt25 Pt 0.76716 0.72591 0.75000 1.00000
  Pt26 Pt 0.23284 0.27409 0.25000 1.00000
  Pt27 Pt 0.04125 0.76716 0.25000 1.00000
  Pt28 Pt 0.27409 0.04125 0.75000 1.00000
  Pt29 Pt 0.58906 0.84375 0.75000 1.00000
  Pt30 Pt 0.54052 0.07486 0.25000 1.00000
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