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HfSiNiAs

Alexandria ALEX

Alex-ID: agm019818052 · Space group: P4/nmm (#129)

Alexandria Database API

Basic Information

Formula
HfSiNiAs
Alex-ID
agm019818052
Elements
4
Sites
8
Space group
P4/nmm (#129)
Crystal system
tetragonal
Volume
123.89
ų
Cell a
3.6691
Å
Cell b
3.6691
Å
Cell c
9.2025
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HfSiNiAs
Hf
2.00 · 25.0%
Si
2.00 · 25.0%
Ni
2.00 · 25.0%
As
2.00 · 25.0%

Energy & Stability

Energy above hull
0.1178
eV/atom
Formation energy
-0.6437
eV/atom
Corrected total energy
-56.7691
eV
Raw total energy
-56.7691
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0048
eV
DOS at Fermi level
5.3856
Total magnetisation
0.4552
μB

Additional Information

Prototype ID

ABCD_62_spg129

Decomposition

Hf(SiNi)2 HfAs2

Computed at

2024-09-25 04:21:23.816187

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: agm019818052).

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 agm019818052
data_agm019818052
_cell_length_a     3.66912
_cell_length_b     3.66912
_cell_length_c     9.20246
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       123.88747
_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 0.50000 0.00000 0.76887 1.00000
  Hf2 Hf 0.00000 0.50000 0.23113 1.00000
  Si1 Si 0.00000 0.00000 0.00000 1.00000
  Si2 Si 0.50000 0.50000 0.00000 1.00000
  Ni1 Ni 0.50000 0.50000 0.50000 1.00000
  Ni2 Ni 0.00000 0.00000 0.50000 1.00000
  As1 As 0.50000 0.00000 0.33089 1.00000
  As2 As 0.00000 0.50000 0.66911 1.00000
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