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Hf4NiGe

Alexandria ALEX

Alex-ID: agm005877129 · Space group: I422 (#97)

Basic Information

Formula
Hf4NiGe
Alex-ID
agm005877129
Elements
3
Sites
6
Space group
I422 (#97)
Crystal system
tetragonal
Volume
112.86
ų
Cell a
5.3208
Å
Cell b
5.3208
Å
Cell c
5.3208
Å
α angle
104.39
°
β angle
104.39
°
γ angle
120.20
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf4NiGe
Hf
4.00 · 66.7%
Ni
1.00 · 16.7%
Ge
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0470
eV/atom
Formation energy
-0.4569
eV/atom
Corrected total energy
-52.9562
eV
Raw total energy
-52.9562
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0033
eV
DOS at Fermi level
7.3849
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_2621_spg97

Decomposition

HfNi Hf2Ge Hf

Computed at

2023-07-30 19:32:29.540270

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: agm005877129).

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 agm005877129
data_agm005877129
_cell_length_a     5.32077
_cell_length_b     5.32077
_cell_length_c     5.32077
_cell_angle_alpha  104.38677
_cell_angle_beta   104.38677
_cell_angle_gamma  120.20314
_cell_volume       112.85858
_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 0.59121 0.09121 0.18241 1.00000
  Hf2 Hf 0.90879 0.40879 0.81759 1.00000
  Hf3 Hf 0.09121 0.90879 0.50000 1.00000
  Hf4 Hf 0.40879 0.59121 0.50000 1.00000
  Ni1 Ni 0.50000 0.50000 0.00000 1.00000
  Ge1 Ge 0.00000 0.00000 0.00000 1.00000
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