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Hf4BeGe

Alexandria ALEX

Alex-ID: agm005877313 · Space group: I422 (#97)

Basic Information

Formula
Hf4BeGe
Alex-ID
agm005877313
Elements
3
Sites
6
Space group
I422 (#97)
Crystal system
tetragonal
Volume
111.91
ų
Cell a
5.3208
Å
Cell b
5.3208
Å
Cell c
5.3208
Å
α angle
103.71
°
β angle
103.71
°
γ angle
121.73
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf4BeGe
Hf
4.00 · 66.7%
Be
1.00 · 16.7%
Ge
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0149
eV/atom
Formation energy
-0.3644
eV/atom
Corrected total energy
-50.3439
eV
Raw total energy
-50.3439
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.5730
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_2621_spg97

Decomposition

HfBe5 Hf2Ge Hf

Computed at

2023-07-27 05:56:20.958451

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: agm005877313).

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 agm005877313
data_agm005877313
_cell_length_a     5.32080
_cell_length_b     5.32080
_cell_length_c     5.32080
_cell_angle_alpha  103.71349
_cell_angle_beta   103.71348
_cell_angle_gamma  121.72659
_cell_volume       111.91370
_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 0.59419 0.09419 0.18839 1.00000
  Hf2 Hf 0.90581 0.40581 0.81161 1.00000
  Hf3 Hf 0.09419 0.90581 0.50000 1.00000
  Hf4 Hf 0.40581 0.59419 0.50000 1.00000
  Be1 Be 0.00000 0.00000 0.00000 1.00000
  Ge1 Ge 0.50000 0.50000 0.00000 1.00000
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