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HfNb2N3

Alexandria ALEX

Alex-ID: agm032802552 · Space group: Fddd (#70)

Basic Information

Formula
HfNb2N3
Alex-ID
agm032802552
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
271.10
ų
Cell a
10.5737
Å
Cell b
10.1022
Å
Cell c
5.4682
Å
α angle
79.49
°
β angle
69.95
°
γ angle
30.56
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HfNb2N3
Hf
4.00 · 16.7%
Nb
8.00 · 33.3%
N
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0842
eV/atom
Formation energy
-1.4191
eV/atom
Corrected total energy
-249.8596
eV
Raw total energy
-249.8596
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0002
eV
DOS at Fermi level
6.8170
Total magnetisation
0.0003
μB

Additional Information

Prototype ID

AB2C3_2914_spg15

Decomposition

NbN HfN

Computed at

2024-10-14 19:54:21.975584

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: agm032802552).

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 agm032802552
data_agm032802552
_cell_length_a     10.57373
_cell_length_b     10.10221
_cell_length_c     5.46817
_cell_angle_alpha  79.49046
_cell_angle_beta   69.94748
_cell_angle_gamma  30.56206
_cell_volume       271.09514
_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 0.91583 0.91583 0.08417 1.00000
  Hf2 Hf 0.33417 0.33417 0.16583 1.00000
  Hf3 Hf 0.16583 0.16583 0.33417 1.00000
  Hf4 Hf 0.08417 0.08417 0.91583 1.00000
  Nb1 Nb 0.99854 0.99854 0.50146 1.00000
  Nb2 Nb 0.42712 0.42712 0.57288 1.00000
  Nb3 Nb 0.82288 0.82288 0.67712 1.00000
  Nb4 Nb 0.25146 0.25146 0.74854 1.00000
  Nb5 Nb 0.74854 0.74854 0.25146 1.00000
  Nb6 Nb 0.67712 0.67712 0.82288 1.00000
  Nb7 Nb 0.57288 0.57288 0.42712 1.00000
  Nb8 Nb 0.50146 0.50146 0.99854 1.00000
  N1 N 0.15642 0.66817 0.34242 1.00000
  N2 N 0.66817 0.15642 0.83299 1.00000
  N3 N 0.09358 0.58183 0.90758 1.00000
  N4 N 0.58183 0.09358 0.41701 1.00000
  N5 N 0.02040 0.47960 0.47960 1.00000
  N6 N 0.47960 0.02040 0.02040 1.00000
  N7 N 0.41701 0.90758 0.58183 1.00000
  N8 N 0.90758 0.41701 0.09358 1.00000
  N9 N 0.83299 0.34242 0.66817 1.00000
  N10 N 0.34242 0.83299 0.15642 1.00000
  N11 N 0.22960 0.77040 0.77040 1.00000
  N12 N 0.77040 0.22960 0.22960 1.00000
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