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Ca6Ge2Pb

Alexandria ALEX

Alex-ID: agm005694622 · Space group: Immm (#71)

Basic Information

Formula
Ca6Ge2Pb
Alex-ID
agm005694622
Elements
3
Sites
18
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
548.43
ų
Cell a
8.9489
Å
Cell b
8.9489
Å
Cell c
8.9489
Å
α angle
104.52
°
β angle
110.98
°
γ angle
113.02
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca6Ge2Pb
Ca
12.00 · 66.7%
Ge
4.00 · 22.2%
Pb
2.00 · 11.1%

Energy & Stability

Energy above hull
0.0698
eV/atom
Formation energy
-0.5279
eV/atom
Corrected total energy
-59.4126
eV
Raw total energy
-59.4126
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0029
eV
DOS at Fermi level
5.4210
Total magnetisation
3.4395
μB

Additional Information

Prototype ID

AB2C6_798_spg71

Decomposition

Ca2Ge Ca2Pb

Computed at

2023-07-06 13:38:11.204450

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: agm005694622).

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 agm005694622
data_agm005694622
_cell_length_a     8.94885
_cell_length_b     8.94885
_cell_length_c     8.94885
_cell_angle_alpha  104.52355
_cell_angle_beta   110.98327
_cell_angle_gamma  113.02463
_cell_volume       548.42945
_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
  Ca1 Ca 0.46280 0.28050 0.18231 1.00000
  Ca2 Ca 0.53720 0.71950 0.81769 1.00000
  Ca3 Ca 0.90181 0.71950 0.18231 1.00000
  Ca4 Ca 0.09819 0.28050 0.81769 1.00000
  Ca5 Ca 0.20227 0.75679 0.95906 1.00000
  Ca6 Ca 0.79773 0.24321 0.04094 1.00000
  Ca7 Ca 0.79773 0.75679 0.55451 1.00000
  Ca8 Ca 0.20227 0.24321 0.44549 1.00000
  Ca9 Ca 0.30979 0.97901 0.66922 1.00000
  Ca10 Ca 0.69021 0.02099 0.33078 1.00000
  Ca11 Ca 0.69021 0.35944 0.66922 1.00000
  Ca12 Ca 0.30979 0.64056 0.33078 1.00000
  Ge1 Ge 0.50000 0.38150 0.88150 1.00000
  Ge2 Ge 0.50000 0.61850 0.11850 1.00000
  Ge3 Ge 0.34010 0.00000 0.34010 1.00000
  Ge4 Ge 0.65990 1.00000 0.65990 1.00000
  Pb1 Pb 0.00000 0.50000 0.50000 1.00000
  Pb2 Pb 0.00000 0.00000 0.00000 1.00000
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