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ZnGa2Ge

Alexandria ALEX

Alex-ID: agm002904792 · Space group: I-42d (#122)

Alexandria Database API

Basic Information

Formula
ZnGa2Ge
Alex-ID
agm002904792
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
152.25
ų
Cell a
7.5022
Å
Cell b
7.5022
Å
Cell c
5.9547
Å
α angle
50.95
°
β angle
50.95
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
ZnGa2Ge
Ge
2.00 · 25.0%
Zn
2.00 · 25.0%
Ga
4.00 · 50.0%

Energy & Stability

Energy above hull
0.1459
eV/atom
Formation energy
0.1416
eV/atom
Corrected total energy
-22.7759
eV
Raw total energy
-22.7759
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0403
eV
DOS at Fermi level
3.4753
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_185_spg122

Decomposition

Zn Zn2Ga7 Ge

Computed at

2017-01-24 00:58:34

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: agm002904792).

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 agm002904792
data_agm002904792
_cell_length_a     7.50222
_cell_length_b     7.50222
_cell_length_c     5.95471
_cell_angle_alpha  50.95437
_cell_angle_beta   50.95437
_cell_angle_gamma  90.00000
_cell_volume       152.24600
_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 0.00000 0.00000 0.00000 1.00000
  Ge2 Ge 0.75000 0.25000 0.50000 1.00000
  Zn1 Zn 0.50000 0.50000 0.00000 1.00000
  Zn2 Zn 0.25000 0.75000 0.50000 1.00000
  Ga1 Ga 0.64002 0.12500 0.25000 1.00000
  Ga2 Ga 0.10998 0.62500 0.25000 1.00000
  Ga3 Ga 0.37500 0.35998 0.75000 1.00000
  Ga4 Ga 0.87500 0.89002 0.75000 1.00000
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