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Ge

Alexandria ALEX

Alex-ID: agm005226729 · Space group: Fd-3m (#227)

Basic Information

Formula
Ge
Alex-ID
agm005226729
Elements
1
Sites
34
Space group
Fd-3m (#227)
Crystal system
cubic
Volume
919.74
ų
Cell a
10.9159
Å
Cell b
10.9159
Å
Cell c
10.9159
Å
α angle
60.00
°
β angle
60.00
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ge
Ge
34.00 · 100.0%

Energy & Stability

Energy above hull
0.0203
eV/atom
Formation energy
0.0203
eV/atom
Corrected total energy
-156.2985
eV
Raw total energy
-156.2985
eV

Electronic Structure

Indirect band gap
0.9132
eV
Direct band gap
0.9132
eV
DOS at Fermi level
-0.1624
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A_417_spg227

Decomposition

Ge

Computed at

2024-10-04 09:50:22

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: agm005226729).

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 agm005226729
data_agm005226729
_cell_length_a     10.91589
_cell_length_b     10.91589
_cell_length_c     10.91589
_cell_angle_alpha  60.00000
_cell_angle_beta   60.00000
_cell_angle_gamma  60.00000
_cell_volume       919.73531
_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 0.50000 0.50000 0.50000 1.00000
  Ge2 Ge 0.75000 0.75000 0.75000 1.00000
  Ge3 Ge 0.47438 0.84187 0.84187 1.00000
  Ge4 Ge 0.84187 0.47438 0.84187 1.00000
  Ge5 Ge 0.84187 0.84187 0.47438 1.00000
  Ge6 Ge 0.84187 0.84187 0.84187 1.00000
  Ge7 Ge 0.77562 0.40813 0.40813 1.00000
  Ge8 Ge 0.40813 0.77562 0.40813 1.00000
  Ge9 Ge 0.40813 0.40813 0.77562 1.00000
  Ge10 Ge 0.40813 0.40813 0.40813 1.00000
  Ge11 Ge 0.38959 0.99539 0.99539 1.00000
  Ge12 Ge 0.99539 0.38959 0.61963 1.00000
  Ge13 Ge 0.99539 0.61963 0.38959 1.00000
  Ge14 Ge 0.61963 0.99539 0.99539 1.00000
  Ge15 Ge 0.99539 0.99539 0.38959 1.00000
  Ge16 Ge 0.38959 0.61963 0.99539 1.00000
  Ge17 Ge 0.61963 0.38959 0.99539 1.00000
  Ge18 Ge 0.99539 0.99539 0.61963 1.00000
  Ge19 Ge 0.99539 0.38959 0.99539 1.00000
  Ge20 Ge 0.61963 0.99539 0.38959 1.00000
  Ge21 Ge 0.38959 0.99539 0.61963 1.00000
  Ge22 Ge 0.99539 0.61963 0.99539 1.00000
  Ge23 Ge 0.86041 0.25461 0.25461 1.00000
  Ge24 Ge 0.25461 0.86041 0.63037 1.00000
  Ge25 Ge 0.25461 0.63037 0.86041 1.00000
  Ge26 Ge 0.63037 0.25461 0.25461 1.00000
  Ge27 Ge 0.25461 0.25461 0.86041 1.00000
  Ge28 Ge 0.86041 0.63037 0.25461 1.00000
  Ge29 Ge 0.63037 0.86041 0.25461 1.00000
  Ge30 Ge 0.25461 0.25461 0.63037 1.00000
  Ge31 Ge 0.25461 0.86041 0.25461 1.00000
  Ge32 Ge 0.63037 0.25461 0.86041 1.00000
  Ge33 Ge 0.86041 0.25461 0.63037 1.00000
  Ge34 Ge 0.25461 0.63037 0.25461 1.00000
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