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Hf2N2O

Alexandria ALEX

Alex-ID: agm005255166 · Space group: P1 (#1)

Basic Information

Formula
Hf2N2O
Alex-ID
agm005255166
Elements
3
Sites
40
Space group
P1 (#1)
Crystal system
triclinic
Volume
512.28
ų
Cell a
8.7215
Å
Cell b
8.7263
Å
Cell c
8.7327
Å
α angle
109.38
°
β angle
109.42
°
γ angle
109.51
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2N2O
Hf
16.00 · 40.0%
N
16.00 · 40.0%
O
8.00 · 20.0%

Energy & Stability

Energy above hull
0.0067
eV/atom
Formation energy
-2.5390
eV/atom
Corrected total energy
-427.7187
eV
Raw total energy
-422.1003
eV

Electronic Structure

Indirect band gap
2.0299
eV
Direct band gap
2.0916
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_5820_spg1

Decomposition

Hf2N2O

Computed at

2024-10-06 05:12:33

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: agm005255166).

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 agm005255166
data_agm005255166
_cell_length_a     8.72151
_cell_length_b     8.72632
_cell_length_c     8.73271
_cell_angle_alpha  109.38135
_cell_angle_beta   109.42162
_cell_angle_gamma  109.50605
_cell_volume       512.28212
_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 0.51320 0.50003 0.50120 1.00000
  Hf2 Hf 0.20640 0.74946 0.46551 1.00000
  Hf3 Hf 0.96389 0.21556 0.24947 1.00000
  Hf4 Hf 0.47647 0.71991 0.25106 1.00000
  Hf5 Hf 0.29414 0.24606 0.03464 1.00000
  Hf6 Hf 0.74833 0.96558 0.71533 1.00000
  Hf7 Hf 0.25306 0.03542 0.28594 1.00000
  Hf8 Hf 0.24090 0.53042 0.78481 1.00000
  Hf9 Hf 0.98282 0.49330 0.99504 1.00000
  Hf10 Hf 0.75234 0.47147 0.21313 1.00000
  Hf11 Hf 0.00037 0.99874 0.48880 1.00000
  Hf12 Hf 0.50181 0.99988 0.00080 1.00000
  Hf13 Hf 0.71886 0.75906 0.96983 1.00000
  Hf14 Hf 0.53512 0.28158 0.74784 1.00000
  Hf15 Hf 0.02648 0.78015 0.75173 1.00000
  Hf16 Hf 0.78778 0.24965 0.54230 1.00000
  N1 N 0.76922 0.72863 0.73531 1.00000
  N2 N 0.53998 0.51172 0.27179 1.00000
  N3 N 0.95596 0.72820 0.47338 1.00000
  N4 N 0.50468 0.76640 0.03989 1.00000
  N5 N 0.73724 0.01590 0.96720 1.00000
  N6 N 0.01356 0.46634 0.23851 1.00000
  N7 N 0.04789 0.27412 0.53376 1.00000
  N8 N 0.76191 0.22929 0.77383 1.00000
  N9 N 0.72641 0.96363 0.45692 1.00000
  N10 N 0.99646 0.53866 0.76737 1.00000
  N11 N 0.96930 0.95571 0.22628 1.00000
  N12 N 0.25864 0.98722 0.03259 1.00000
  N13 N 0.48729 0.22540 0.95448 1.00000
  N14 N 0.77136 0.54693 0.01064 1.00000
  N15 N 0.27338 0.02998 0.54308 1.00000
  N16 N 0.53630 0.26581 0.48525 1.00000
  O1 O 0.22844 0.27388 0.26511 1.00000
  O2 O 0.46171 0.73904 0.51557 1.00000
  O3 O 0.27973 0.76039 0.72536 1.00000
  O4 O 0.45107 0.48809 0.72142 1.00000
  O5 O 0.24577 0.77218 0.23071 1.00000
  O6 O 0.72494 0.23388 0.27095 1.00000
  O7 O 0.03448 0.05532 0.77956 1.00000
  O8 O 0.22229 0.44699 0.98362 1.00000
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