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Er2HfN3

Alexandria ALEX

Alex-ID: agm043751007 · Space group: Fddd (#70)

Basic Information

Formula
Er2HfN3
Alex-ID
agm043751007
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
316.18
ų
Cell a
11.0745
Å
Cell b
10.5617
Å
Cell c
5.7839
Å
α angle
79.46
°
β angle
69.65
°
γ angle
30.89
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2HfN3
Er
8.00 · 33.3%
Hf
4.00 · 16.7%
N
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-2.0173
eV/atom
Corrected total energy
-220.1607
eV
Raw total energy
-220.1607
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0236
eV
DOS at Fermi level
2.9776
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

Er2HfN3

Computed at

2024-12-19 10:06:44

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: agm043751007).

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 agm043751007
data_agm043751007
_cell_length_a     11.07453
_cell_length_b     10.56173
_cell_length_c     5.78388
_cell_angle_alpha  79.45538
_cell_angle_beta   69.65077
_cell_angle_gamma  30.89384
_cell_volume       316.18321
_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
  Er1 Er 0.99960 0.99960 0.50040 1.00000
  Er2 Er 0.41706 0.41706 0.58294 1.00000
  Er3 Er 0.83294 0.83294 0.66706 1.00000
  Er4 Er 0.25040 0.25040 0.74960 1.00000
  Er5 Er 0.74960 0.74960 0.25040 1.00000
  Er6 Er 0.66706 0.66706 0.83294 1.00000
  Er7 Er 0.58294 0.58294 0.41706 1.00000
  Er8 Er 0.50040 0.50040 0.99960 1.00000
  Hf1 Hf 0.91667 0.91667 0.08333 1.00000
  Hf2 Hf 0.33333 0.33333 0.16667 1.00000
  Hf3 Hf 0.16667 0.16667 0.33333 1.00000
  Hf4 Hf 0.08333 0.08333 0.91667 1.00000
  N1 N 0.66366 0.16389 0.85198 1.00000
  N2 N 0.16389 0.66366 0.32046 1.00000
  N3 N 0.58634 0.08611 0.39802 1.00000
  N4 N 0.08611 0.58634 0.92954 1.00000
  N5 N 0.48310 0.01690 0.01690 1.00000
  N6 N 0.01690 0.48310 0.48310 1.00000
  N7 N 0.92954 0.39802 0.08611 1.00000
  N8 N 0.39802 0.92954 0.58634 1.00000
  N9 N 0.32046 0.85198 0.16389 1.00000
  N10 N 0.85198 0.32046 0.66366 1.00000
  N11 N 0.76690 0.23310 0.23310 1.00000
  N12 N 0.23310 0.76690 0.76690 1.00000
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