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Hf2Nb3AlN6

Alexandria ALEX

Alex-ID: agm030889386 · Space group: C2/m (#12)

Basic Information

Formula
Hf2Nb3AlN6
Alex-ID
agm030889386
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
130.73
ų
Cell a
7.0609
Å
Cell b
7.0609
Å
Cell c
6.3796
Å
α angle
75.04
°
β angle
75.04
°
γ angle
25.23
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2Nb3AlN6
Hf
2.00 · 16.7%
Nb
3.00 · 25.0%
Al
1.00 · 8.3%
N
6.00 · 50.0%

Energy & Stability

Energy above hull
0.1356
eV/atom
Formation energy
-1.4213
eV/atom
Corrected total energy
-118.6322
eV
Raw total energy
-118.6322
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0296
eV
DOS at Fermi level
3.3900
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D6_28_spg12

Decomposition

NbN HfN AlN

Computed at

2024-10-22 13:26:51.971782

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: agm030889386).

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 agm030889386
data_agm030889386
_cell_length_a     7.06091
_cell_length_b     7.06091
_cell_length_c     6.37956
_cell_angle_alpha  75.03971
_cell_angle_beta   75.03971
_cell_angle_gamma  25.22697
_cell_volume       130.73055
_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 0.16394 0.16394 0.17382 1.00000
  Hf2 Hf 0.83606 0.83606 0.82618 1.00000
  Nb1 Nb 0.50000 0.50000 0.00000 1.00000
  Nb2 Nb 0.16495 0.16495 0.67049 1.00000
  Nb3 Nb 0.83505 0.83505 0.32951 1.00000
  Al1 Al 0.50000 0.50000 0.50000 1.00000
  N1 N 0.65357 0.65357 0.42200 1.00000
  N2 N 0.33079 0.33079 0.07456 1.00000
  N3 N 0.34643 0.34643 0.57800 1.00000
  N4 N 0.00069 0.00069 0.72070 1.00000
  N5 N 0.99931 0.99931 0.27930 1.00000
  N6 N 0.66921 0.66921 0.92544 1.00000
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