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Sm2ErN3

Alexandria ALEX

Alex-ID: agm005659430 · Space group: I4/mmm (#139)

Basic Information

Formula
Sm2ErN3
Alex-ID
agm005659430
Elements
3
Sites
6
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
94.06
ų
Cell a
3.5404
Å
Cell b
3.5404
Å
Cell c
7.9107
Å
α angle
102.94
°
β angle
102.94
°
γ angle
89.98
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2ErN3
Sm
2.00 · 33.3%
Er
1.00 · 16.7%
N
3.00 · 50.0%

Energy & Stability

Energy above hull
0.0219
eV/atom
Formation energy
-1.7452
eV/atom
Corrected total energy
-48.3383
eV
Raw total energy
-48.3383
eV

Electronic Structure

Indirect band gap
0.0116
eV
Direct band gap
0.1448
eV
DOS at Fermi level
0.4677
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_103_spg139

Decomposition

ErN SmN

Computed at

2023-08-23 22:20:13.718805

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: agm005659430).

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 agm005659430
data_agm005659430
_cell_length_a     3.54039
_cell_length_b     3.54039
_cell_length_c     7.91067
_cell_angle_alpha  102.93572
_cell_angle_beta   102.93577
_cell_angle_gamma  89.97817
_cell_volume       94.05716
_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
  Sm1 Sm 0.09839 0.09995 0.20236 1.00000
  Sm2 Sm 0.77000 0.77156 0.54557 1.00000
  Er1 Er 0.43429 0.43561 0.87397 1.00000
  N1 N 0.93410 0.93586 0.87396 1.00000
  N2 N 0.27234 0.27362 0.55004 1.00000
  N3 N 0.59624 0.59752 0.19785 1.00000
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