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Er2TaN3

Alexandria ALEX

Alex-ID: agm005759587 · Space group: Fddd (#70)

Basic Information

Formula
Er2TaN3
Alex-ID
agm005759587
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
303.84
ų
Cell a
5.7198
Å
Cell b
5.7197
Å
Cell c
10.3856
Å
α angle
100.60
°
β angle
100.60
°
γ angle
109.38
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2TaN3
Er
8.00 · 33.3%
Ta
4.00 · 16.7%
N
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0433
eV/atom
Formation energy
-1.7264
eV/atom
Corrected total energy
-220.7761
eV
Raw total energy
-220.7761
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0004
eV
DOS at Fermi level
6.6640
Total magnetisation
-0.0016
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

TaN ErN

Computed at

2023-08-23 20:28:29.606309

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: agm005759587).

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 agm005759587
data_agm005759587
_cell_length_a     5.71975
_cell_length_b     5.71975
_cell_length_c     10.38562
_cell_angle_alpha  100.60170
_cell_angle_beta   100.60169
_cell_angle_gamma  109.38269
_cell_volume       303.84241
_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 0.99886 0.49886 0.99771 1.00000
  Er2 Er 0.41727 0.41727 0.83453 1.00000
  Er3 Er 0.83273 0.33273 0.66547 1.00000
  Er4 Er 0.25114 0.25114 0.50229 1.00000
  Er5 Er 0.74886 0.74886 0.49771 1.00000
  Er6 Er 0.66727 0.16727 0.33453 1.00000
  Er7 Er 0.58273 0.58273 0.16547 1.00000
  Er8 Er 0.50114 0.00114 0.00229 1.00000
  Ta1 Ta 0.91667 0.91667 0.83335 1.00000
  Ta2 Ta 0.33333 0.83333 0.66665 1.00000
  Ta3 Ta 0.16667 0.66667 0.33335 1.00000
  Ta4 Ta 0.08333 0.08333 0.16665 1.00000
  N1 N 0.16528 0.68414 0.82642 1.00000
  N2 N 0.66114 0.14228 0.82642 1.00000
  N3 N 0.08472 0.06586 0.67358 1.00000
  N4 N 0.58886 0.60772 0.67358 1.00000
  N5 N 0.02120 0.52120 0.50000 1.00000
  N6 N 0.47880 0.97880 0.50000 1.00000
  N7 N 0.39228 0.41114 0.32642 1.00000
  N8 N 0.93414 0.91528 0.32642 1.00000
  N9 N 0.85772 0.33886 0.17358 1.00000
  N10 N 0.31586 0.83472 0.17358 1.00000
  N11 N 0.22880 0.22880 1.00000 1.00000
  N12 N 0.77120 0.77120 0.00000 1.00000
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