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Pr2Ge3Au

Alexandria ALEX

Alex-ID: agm020000437 · Space group: Pmm2 (#25)

Basic Information

Formula
Pr2Ge3Au
Alex-ID
agm020000437
Elements
3
Sites
6
Space group
Pmm2 (#25)
Crystal system
orthorhombic
Volume
140.44
ų
Cell a
4.2235
Å
Cell b
4.5031
Å
Cell c
7.3845
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pr2Ge3Au
Pr
2.00 · 33.3%
Ge
3.00 · 50.0%
Au
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0216
eV/atom
Formation energy
-0.7322
eV/atom
Corrected total energy
-31.0908
eV
Raw total energy
-31.0908
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.4682
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2015_spg38

Decomposition

Pr3(Ge2Au)2 Pr4Ge7 Ge

Computed at

2025-01-22 12:13:43

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: agm020000437).

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 agm020000437
data_agm020000437
_cell_length_a     4.22350
_cell_length_b     4.50306
_cell_length_c     7.38453
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       140.44414
_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 0.50000 0.50000 0.99127 1.00000
  Pr2 Pr 0.50000 0.00000 0.50641 1.00000
  Ge1 Ge 0.00000 0.00000 0.83084 1.00000
  Ge2 Ge 0.00000 0.00000 0.16987 1.00000
  Ge3 Ge 0.00000 0.50000 0.67151 1.00000
  Au1 Au 0.00000 0.50000 0.33011 1.00000
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