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HfCoSi2Ni

Alexandria ALEX

Alex-ID: agm005018775 · Space group: I-4m2 (#119)

Basic Information

Formula
HfCoSi2Ni
Alex-ID
agm005018775
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
67.65
ų
Cell a
3.7357
Å
Cell b
3.7357
Å
Cell c
5.5208
Å
α angle
109.78
°
β angle
109.78
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HfCoSi2Ni
Hf
1.00 · 20.0%
Co
1.00 · 20.0%
Si
2.00 · 40.0%
Ni
1.00 · 20.0%

Energy & Stability

Energy above hull
0.0428
eV/atom
Formation energy
-0.7384
eV/atom
Corrected total energy
-37.3990
eV
Raw total energy
-37.3990
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0212
eV
DOS at Fermi level
3.0940
Total magnetisation
0.6762
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Hf4Co7Si6 Hf3(SiNi)4 Hf2Co3Si4 CoSi

Computed at

2022-07-05 03:11:10.174604

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: agm005018775).

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 agm005018775
data_agm005018775
_cell_length_a     3.73570
_cell_length_b     3.73570
_cell_length_c     5.52081
_cell_angle_alpha  109.77508
_cell_angle_beta   109.77508
_cell_angle_gamma  90.00000
_cell_volume       67.65380
_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 0.00000 0.00000 0.00000 1.00000
  Co1 Co 0.75000 0.25000 0.50000 1.00000
  Si1 Si 0.61915 0.61915 0.23831 1.00000
  Si2 Si 0.38085 0.38085 0.76169 1.00000
  Ni1 Ni 0.25000 0.75000 0.50000 1.00000
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