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CaGaGe2

Alexandria ALEX

Alex-ID: agm005750016 · Space group: P4_2/mbc (#135)

Basic Information

Formula
CaGaGe2
Alex-ID
agm005750016
Elements
3
Sites
32
Space group
P4_2/mbc (#135)
Crystal system
tetragonal
Volume
697.56
ų
Cell a
6.4186
Å
Cell b
10.4249
Å
Cell c
10.4249
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaGaGe2
Ca
8.00 · 25.0%
Ga
8.00 · 25.0%
Ge
16.00 · 50.0%

Energy & Stability

Energy above hull
0.2174
eV/atom
Formation energy
-0.1793
eV/atom
Corrected total energy
-119.8660
eV
Raw total energy
-119.8660
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0165
eV
DOS at Fermi level
13.0633
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_9076_spg135

Decomposition

CaGaGe Ge

Computed at

2023-07-11 21:42:56.935680

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: agm005750016).

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 agm005750016
data_agm005750016
_cell_length_a     6.41860
_cell_length_b     10.42490
_cell_length_c     10.42490
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       697.56483
_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 0.75000 0.32803 0.82803 1.00000
  Ca2 Ca 0.25000 0.17197 0.32803 1.00000
  Ca3 Ca 0.25000 0.82803 0.67197 1.00000
  Ca4 Ca 0.75000 0.67197 0.17197 1.00000
  Ca5 Ca 0.25000 0.67197 0.17197 1.00000
  Ca6 Ca 0.75000 0.82803 0.67197 1.00000
  Ca7 Ca 0.75000 0.17197 0.32803 1.00000
  Ca8 Ca 0.25000 0.32803 0.82803 1.00000
  Ga1 Ga 0.50000 0.16051 0.05634 1.00000
  Ga2 Ga 0.50000 0.66051 0.44366 1.00000
  Ga3 Ga 0.50000 0.33949 0.55634 1.00000
  Ga4 Ga 0.00000 0.94366 0.16051 1.00000
  Ga5 Ga 0.00000 0.05634 0.83949 1.00000
  Ga6 Ga 0.00000 0.55634 0.66051 1.00000
  Ga7 Ga 0.50000 0.83949 0.94366 1.00000
  Ga8 Ga 0.00000 0.44366 0.33949 1.00000
  Ge1 Ge 0.00000 0.16970 0.05915 1.00000
  Ge2 Ge 0.50000 0.55915 0.66970 1.00000
  Ge3 Ge 0.00000 0.83030 0.94085 1.00000
  Ge4 Ge 0.00000 0.33030 0.55915 1.00000
  Ge5 Ge 0.00000 0.66970 0.44085 1.00000
  Ge6 Ge 0.50000 0.05915 0.83030 1.00000
  Ge7 Ge 0.50000 0.94085 0.16970 1.00000
  Ge8 Ge 0.50000 0.44085 0.33030 1.00000
  Ge9 Ge 0.00000 0.08751 0.59313 1.00000
  Ge10 Ge 0.50000 0.40687 0.08751 1.00000
  Ge11 Ge 0.50000 0.59313 0.91249 1.00000
  Ge12 Ge 0.00000 0.58751 0.90687 1.00000
  Ge13 Ge 0.00000 0.41249 0.09313 1.00000
  Ge14 Ge 0.00000 0.91249 0.40687 1.00000
  Ge15 Ge 0.50000 0.09313 0.58751 1.00000
  Ge16 Ge 0.50000 0.90687 0.41249 1.00000
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