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ErPa2Ge3

Alexandria ALEX

Alex-ID: agm005755172 · Space group: Pnma (#62)

Basic Information

Formula
ErPa2Ge3
Alex-ID
agm005755172
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
597.73
ų
Cell a
5.8439
Å
Cell b
8.2645
Å
Cell c
12.3762
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
ErPa2Ge3
Er
4.00 · 16.7%
Pa
8.00 · 33.3%
Ge
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0660
eV/atom
Formation energy
-0.5557
eV/atom
Corrected total energy
-162.9854
eV
Raw total energy
-162.9854
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0095
eV
DOS at Fermi level
16.6466
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_35_spg14

Decomposition

PaGe2 Pa5Ge4 ErGe

Computed at

2023-08-18 07:46:23.623610

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: agm005755172).

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 agm005755172
data_agm005755172
_cell_length_a     5.84395
_cell_length_b     8.26446
_cell_length_c     12.37620
_cell_angle_alpha  90.00001
_cell_angle_beta   90.00000
_cell_angle_gamma  89.99630
_cell_volume       597.73414
_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
  Er1 Er 0.24977 0.87608 0.08283 1.00000
  Er2 Er 0.24977 0.37608 0.41717 1.00000
  Er3 Er 0.75023 0.62392 0.58283 1.00000
  Er4 Er 0.75023 0.12392 0.91717 1.00000
  Pa1 Pa 0.25044 0.87485 0.75034 1.00000
  Pa2 Pa 0.25044 0.37485 0.74966 1.00000
  Pa3 Pa 0.24982 0.87232 0.41664 1.00000
  Pa4 Pa 0.24982 0.37232 0.08336 1.00000
  Pa5 Pa 0.75018 0.62768 0.91664 1.00000
  Pa6 Pa 0.75018 0.12768 0.58336 1.00000
  Pa7 Pa 0.74956 0.62515 0.25034 1.00000
  Pa8 Pa 0.74956 0.12515 0.24966 1.00000
  Ge1 Ge 0.25023 0.62819 0.58524 1.00000
  Ge2 Ge 0.25023 0.12819 0.91476 1.00000
  Ge3 Ge 0.25019 0.62298 0.91585 1.00000
  Ge4 Ge 0.25019 0.12298 0.58415 1.00000
  Ge5 Ge 0.24954 0.62377 0.24991 1.00000
  Ge6 Ge 0.24954 0.12377 0.25009 1.00000
  Ge7 Ge 0.75046 0.87623 0.74991 1.00000
  Ge8 Ge 0.75046 0.37623 0.75009 1.00000
  Ge9 Ge 0.74981 0.87702 0.41585 1.00000
  Ge10 Ge 0.74981 0.37702 0.08415 1.00000
  Ge11 Ge 0.74977 0.87181 0.08524 1.00000
  Ge12 Ge 0.74977 0.37181 0.41476 1.00000
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