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Hf8Mg(N2O)4

Alexandria ALEX

Alex-ID: agm005265478 · Space group: P1 (#1)

Alexandria Database API

Basic Information

Formula
Hf8Mg(N2O)4
Alex-ID
agm005265478
Elements
4
Sites
21
Space group
P1 (#1)
Crystal system
triclinic
Volume
291.81
ų
Cell a
5.6460
Å
Cell b
5.6008
Å
Cell c
10.9706
Å
α angle
92.15
°
β angle
102.34
°
γ angle
119.17
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf8Mg(N2O)4
Hf
8.00 · 38.1%
Mg
1.00 · 4.8%
N
8.00 · 38.1%
O
4.00 · 19.0%

Energy & Stability

Energy above hull
0.2703
eV/atom
Formation energy
-2.2324
eV/atom
Corrected total energy
-211.5546
eV
Raw total energy
-208.7454
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1188
eV
DOS at Fermi level
5.7727
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C8D8_12_spg1

Decomposition

Hf3MgN4 Hf3N2O3 Hf2N2O

Computed at

2023-05-08 19:37:12.147908

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: agm005265478).

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 agm005265478
data_agm005265478
_cell_length_a     5.64603
_cell_length_b     5.60076
_cell_length_c     10.97063
_cell_angle_alpha  92.14781
_cell_angle_beta   102.34279
_cell_angle_gamma  119.16840
_cell_volume       291.81112
_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 0.37978 0.52258 0.25721 1.00000
  Hf2 Hf 0.00199 0.99666 0.81100 1.00000
  Hf3 Hf 0.39801 0.71958 0.94768 1.00000
  Hf4 Hf 0.14295 0.91474 0.49157 1.00000
  Hf5 Hf 0.84254 0.26197 0.53251 1.00000
  Hf6 Hf 0.96609 0.80753 0.10997 1.00000
  Hf7 Hf 0.73663 0.20747 0.25351 1.00000
  Hf8 Hf 0.50748 0.57473 0.53279 1.00000
  Mg1 Mg 0.66314 0.33886 0.81477 1.00000
  N1 N 0.74289 0.51968 0.39780 1.00000
  N2 N 0.61275 0.80879 0.14527 1.00000
  N3 N 0.90168 0.94655 0.61518 1.00000
  N4 N 0.09460 0.22416 0.39076 1.00000
  N5 N 0.36966 0.02455 0.87553 1.00000
  N6 N 0.99207 0.47925 0.16026 1.00000
  N7 N 0.54513 0.26753 0.61697 1.00000
  N8 N 0.75042 0.72048 0.91327 1.00000
  O1 O 0.33699 0.16849 0.16537 1.00000
  O2 O 0.45842 0.88247 0.39917 1.00000
  O3 O 0.04139 0.36300 0.86100 1.00000
  O4 O 0.21651 0.62461 0.60244 1.00000
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