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Pr3Al7Ga2

Alexandria ALEX

Alex-ID: agm024380407 · Space group: R-3m (#166)

Basic Information

Formula
Pr3Al7Ga2
Alex-ID
agm024380407
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
250.71
ų
Cell a
9.5233
Å
Cell b
9.5233
Å
Cell c
9.5233
Å
α angle
34.77
°
β angle
34.77
°
γ angle
34.77
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pr3Al7Ga2
Pr
3.00 · 25.0%
Al
7.00 · 58.3%
Ga
2.00 · 16.7%

Energy & Stability

Energy above hull
0.0756
eV/atom
Formation energy
-0.4030
eV/atom
Corrected total energy
-51.4656
eV
Raw total energy
-51.4656
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0234
eV
DOS at Fermi level
6.6938
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C7_3_spg166

Decomposition

PrAl3 PrAlGa2

Computed at

2025-05-15 09:42:02

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: agm024380407).

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 agm024380407
data_agm024380407
_cell_length_a     9.52333
_cell_length_b     9.52333
_cell_length_c     9.52333
_cell_angle_alpha  34.76970
_cell_angle_beta   34.76970
_cell_angle_gamma  34.76970
_cell_volume       250.70596
_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
  Pr1 Pr 0.00000 0.00000 0.00000 1.00000
  Pr2 Pr 0.14047 0.14047 0.14047 1.00000
  Pr3 Pr 0.85953 0.85953 0.85953 1.00000
  Al1 Al 0.50000 0.50000 0.50000 1.00000
  Al2 Al 0.07638 0.58596 0.58596 1.00000
  Al3 Al 0.58596 0.58596 0.07638 1.00000
  Al4 Al 0.58596 0.07638 0.58596 1.00000
  Al5 Al 0.92362 0.41404 0.41404 1.00000
  Al6 Al 0.41404 0.92362 0.41404 1.00000
  Al7 Al 0.41404 0.41404 0.92362 1.00000
  Ga1 Ga 0.33510 0.33510 0.33510 1.00000
  Ga2 Ga 0.66490 0.66490 0.66490 1.00000
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