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Hf2GaGe3

Alexandria ALEX

Alex-ID: agm034774289 · Space group: Amm2 (#38)

Basic Information

Formula
Hf2GaGe3
Alex-ID
agm034774289
Elements
3
Sites
6
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
107.73
ų
Cell a
3.8095
Å
Cell b
3.8078
Å
Cell c
7.6665
Å
α angle
90.00
°
β angle
104.36
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2GaGe3
Hf
2.00 · 33.3%
Ga
1.00 · 16.7%
Ge
3.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.4960
eV/atom
Corrected total energy
-39.7640
eV
Raw total energy
-39.7640
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.0770
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_4_spg71

Decomposition

Hf2GaGe3

Computed at

2025-01-04 05:48:02

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: agm034774289).

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 agm034774289
data_agm034774289
_cell_length_a     3.80951
_cell_length_b     3.80778
_cell_length_c     7.66647
_cell_angle_alpha  90.00000
_cell_angle_beta   104.35840
_cell_angle_gamma  90.00000
_cell_volume       107.73443
_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
  Hf1 Hf 0.89866 0.50000 0.79667 1.00000
  Hf2 Hf 0.10095 0.00000 0.20223 1.00000
  Ga1 Ga 0.75101 0.00000 0.50155 1.00000
  Ge1 Ge 0.24821 0.50000 0.49777 1.00000
  Ge2 Ge 0.56439 0.50000 0.12859 1.00000
  Ge3 Ge 0.43676 0.00000 0.87318 1.00000
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