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Pr3Ge2Br

Alexandria ALEX

Alex-ID: agm035170459 · Space group: Immm (#71)

Basic Information

Formula
Pr3Ge2Br
Alex-ID
agm035170459
Elements
3
Sites
6
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
174.00
ų
Cell a
7.5784
Å
Cell b
7.5784
Å
Cell c
7.5784
Å
α angle
146.86
°
β angle
132.46
°
γ angle
59.17
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pr3Ge2Br
Pr
3.00 · 50.0%
Ge
2.00 · 33.3%
Br
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0041
eV/atom
Formation energy
-1.0672
eV/atom
Corrected total energy
-31.6628
eV
Raw total energy
-31.6628
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0379
eV
DOS at Fermi level
1.5091
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_4_spg71

Decomposition

Pr2GeBr2 Pr4Ge3

Computed at

2025-04-13 16:06:44

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: agm035170459).

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 agm035170459
data_agm035170459
_cell_length_a     7.57836
_cell_length_b     7.57836
_cell_length_c     7.57836
_cell_angle_alpha  146.86238
_cell_angle_beta   132.46330
_cell_angle_gamma  59.17099
_cell_volume       174.00486
_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 0.32128 0.82128 0.50000 1.00000
  Pr2 Pr 0.67872 0.17872 0.50000 1.00000
  Pr3 Pr 0.00000 0.50000 0.50000 1.00000
  Ge1 Ge 0.83822 0.83822 0.00000 1.00000
  Ge2 Ge 0.16178 0.16178 0.00000 1.00000
  Br1 Br 0.50000 0.50000 0.00000 1.00000
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