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Sm3GePt8

Alexandria ALEX

Alex-ID: agm005995462 · Space group: R3m (#160)

Basic Information

Formula
Sm3GePt8
Alex-ID
agm005995462
Elements
3
Sites
12
Space group
R3m (#160)
Crystal system
trigonal
Volume
233.50
ų
Cell a
5.4832
Å
Cell b
5.4832
Å
Cell c
9.5102
Å
α angle
73.24
°
β angle
73.24
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3GePt8
Sm
3.00 · 25.0%
Ge
1.00 · 8.3%
Pt
8.00 · 66.7%

Energy & Stability

Energy above hull
0.0583
eV/atom
Formation energy
-0.8965
eV/atom
Corrected total energy
-78.2501
eV
Raw total energy
-78.2501
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.4411
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C8_29_spg160

Decomposition

SmGePt2 Sm15Pt32 Sm2GePt6

Computed at

2023-09-08 02:22:47.530579

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: agm005995462).

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 agm005995462
data_agm005995462
_cell_length_a     5.48321
_cell_length_b     5.48321
_cell_length_c     9.51018
_cell_angle_alpha  73.24493
_cell_angle_beta   73.24494
_cell_angle_gamma  60.00000
_cell_volume       233.49960
_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 0.61964 0.61964 0.14108 1.00000
  Sm2 Sm 0.01215 0.01215 0.96354 1.00000
  Sm3 Sm 0.48718 0.48718 0.53847 1.00000
  Ge1 Ge 0.15466 0.15466 0.53602 1.00000
  Pt1 Pt 0.55979 0.05416 0.82626 1.00000
  Pt2 Pt 0.05772 0.56949 0.31506 1.00000
  Pt3 Pt 0.55979 0.55979 0.82626 1.00000
  Pt4 Pt 0.05772 0.05772 0.31506 1.00000
  Pt5 Pt 0.80776 0.80776 0.57673 1.00000
  Pt6 Pt 0.30994 0.30994 0.07018 1.00000
  Pt7 Pt 0.05416 0.55979 0.82626 1.00000
  Pt8 Pt 0.56949 0.05772 0.31506 1.00000
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