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Hf2MgN3

Alexandria ALEX

Alex-ID: agm005657015 · Space group: Pnma (#62)

Basic Information

Formula
Hf2MgN3
Alex-ID
agm005657015
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
271.98
ų
Cell a
4.4976
Å
Cell b
6.3551
Å
Cell c
9.5157
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2MgN3
Hf
8.00 · 33.3%
Mg
4.00 · 16.7%
N
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0092
eV/atom
Formation energy
-1.7844
eV/atom
Corrected total energy
-224.2606
eV
Raw total energy
-224.2606
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0671
eV
DOS at Fermi level
3.7719
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_35_spg14

Decomposition

Hf3MgN4 HfMgN2

Computed at

2023-08-23 21:02:40.373216

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: agm005657015).

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 agm005657015
data_agm005657015
_cell_length_a     4.49757
_cell_length_b     6.35509
_cell_length_c     9.51570
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00018
_cell_volume       271.98209
_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 0.24994 0.87545 0.75373 1.00000
  Hf2 Hf 0.24994 0.37545 0.74627 1.00000
  Hf3 Hf 0.25003 0.87308 0.41706 1.00000
  Hf4 Hf 0.25003 0.37308 0.08294 1.00000
  Hf5 Hf 0.74997 0.62692 0.91706 1.00000
  Hf6 Hf 0.74997 0.12692 0.58294 1.00000
  Hf7 Hf 0.75006 0.62455 0.25373 1.00000
  Hf8 Hf 0.75006 0.12455 0.24627 1.00000
  Mg1 Mg 0.25005 0.87976 0.08123 1.00000
  Mg2 Mg 0.25005 0.37976 0.41877 1.00000
  Mg3 Mg 0.74995 0.62024 0.58123 1.00000
  Mg4 Mg 0.74995 0.12024 0.91877 1.00000
  N1 N 0.24996 0.63045 0.58657 1.00000
  N2 N 0.24996 0.13045 0.91343 1.00000
  N3 N 0.24997 0.62556 0.91669 1.00000
  N4 N 0.24997 0.12556 0.58331 1.00000
  N5 N 0.25006 0.62229 0.24983 1.00000
  N6 N 0.25006 0.12229 0.25017 1.00000
  N7 N 0.74994 0.87771 0.74983 1.00000
  N8 N 0.74994 0.37771 0.75017 1.00000
  N9 N 0.75003 0.87444 0.41669 1.00000
  N10 N 0.75003 0.37444 0.08331 1.00000
  N11 N 0.75004 0.86955 0.08657 1.00000
  N12 N 0.75004 0.36955 0.41343 1.00000
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