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Pm3Ga7Au2

Alexandria ALEX

Alex-ID: agm025828552 · Space group: R-3m (#166)

Basic Information

Formula
Pm3Ga7Au2
Alex-ID
agm025828552
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
241.34
ų
Cell a
9.4186
Å
Cell b
9.4186
Å
Cell c
9.4186
Å
α angle
34.68
°
β angle
34.68
°
γ angle
34.68
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm3Ga7Au2
Pm
3.00 · 25.0%
Ga
7.00 · 58.3%
Au
2.00 · 16.7%

Energy & Stability

Energy above hull
0.0652
eV/atom
Formation energy
-0.5815
eV/atom
Corrected total energy
-48.9897
eV
Raw total energy
-48.9897
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.2448
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C7_3_spg166

Decomposition

PmGa3Au Pm2Ga5Au3 PmGa2

Computed at

2025-05-16 08:17:21

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: agm025828552).

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 agm025828552
data_agm025828552
_cell_length_a     9.41860
_cell_length_b     9.41860
_cell_length_c     9.41860
_cell_angle_alpha  34.67543
_cell_angle_beta   34.67543
_cell_angle_gamma  34.67543
_cell_volume       241.33779
_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
  Pm1 Pm 0.00000 0.00000 0.00000 1.00000
  Pm2 Pm 0.14190 0.14190 0.14190 1.00000
  Pm3 Pm 0.85810 0.85810 0.85810 1.00000
  Ga1 Ga 0.50000 0.50000 0.50000 1.00000
  Ga2 Ga 0.07067 0.59049 0.59049 1.00000
  Ga3 Ga 0.59049 0.59049 0.07067 1.00000
  Ga4 Ga 0.59049 0.07067 0.59049 1.00000
  Ga5 Ga 0.92933 0.40951 0.40951 1.00000
  Ga6 Ga 0.40951 0.92933 0.40951 1.00000
  Ga7 Ga 0.40951 0.40951 0.92933 1.00000
  Au1 Au 0.33800 0.33800 0.33800 1.00000
  Au2 Au 0.66200 0.66200 0.66200 1.00000
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