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Ge2(PbAu2)3

Alexandria ALEX

Alex-ID: agm005609464 · Space group: I4/mmm (#139)

Basic Information

Formula
Ge2(PbAu2)3
Alex-ID
agm005609464
Elements
3
Sites
11
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
247.51
ų
Cell a
4.3770
Å
Cell b
4.3770
Å
Cell c
13.2850
Å
α angle
99.48
°
β angle
99.48
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ge2(PbAu2)3
Ge
2.00 · 18.2%
Pb
3.00 · 27.3%
Au
6.00 · 54.5%

Energy & Stability

Energy above hull
0.0498
eV/atom
Formation energy
-0.0112
eV/atom
Corrected total energy
-40.1475
eV
Raw total energy
-40.1475
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0136
eV
DOS at Fermi level
5.5927
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C6_166_spg139

Decomposition

PbAu2 Ge

Computed at

2023-06-12 10:51:14.955844

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: agm005609464).

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 agm005609464
data_agm005609464
_cell_length_a     4.37703
_cell_length_b     4.37703
_cell_length_c     13.28496
_cell_angle_alpha  99.48192
_cell_angle_beta   99.48194
_cell_angle_gamma  90.00000
_cell_volume       247.51461
_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
  Ge1 Ge 0.45026 0.45026 0.90052 1.00000
  Ge2 Ge 0.54974 0.54974 0.09948 1.00000
  Pb1 Pb 0.00000 0.00000 0.00000 1.00000
  Pb2 Pb 0.79637 0.79637 0.59273 1.00000
  Pb3 Pb 0.20363 0.20363 0.40727 1.00000
  Au1 Au 0.60543 0.10543 0.21087 1.00000
  Au2 Au 0.10543 0.60543 0.21087 1.00000
  Au3 Au 0.39457 0.89457 0.78913 1.00000
  Au4 Au 0.89457 0.39457 0.78913 1.00000
  Au5 Au 0.68282 0.68282 0.36564 1.00000
  Au6 Au 0.31718 0.31718 0.63436 1.00000
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