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Sm3Tm2N4

Alexandria ALEX

Alex-ID: agm005694747 · Space group: P-3m1 (#164)

Basic Information

Formula
Sm3Tm2N4
Alex-ID
agm005694747
Elements
3
Sites
9
Space group
P-3m1 (#164)
Crystal system
trigonal
Volume
156.00
ų
Cell a
3.5049
Å
Cell b
3.5049
Å
Cell c
14.6624
Å
α angle
90.06
°
β angle
89.94
°
γ angle
119.99
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3Tm2N4
Sm
3.00 · 33.3%
Tm
2.00 · 22.2%
N
4.00 · 44.4%

Energy & Stability

Energy above hull
0.0562
eV/atom
Formation energy
-1.5844
eV/atom
Corrected total energy
-69.1828
eV
Raw total energy
-69.1828
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0047
eV
DOS at Fermi level
4.4973
Total magnetisation
0.2249
μB

Additional Information

Prototype ID

A2B3C4_352_spg164

Decomposition

Sm6N5 Sm TmN

Computed at

2023-06-27 19:24:00.020385

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: agm005694747).

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 agm005694747
data_agm005694747
_cell_length_a     3.50492
_cell_length_b     3.50492
_cell_length_c     14.66240
_cell_angle_alpha  90.06199
_cell_angle_beta   89.93799
_cell_angle_gamma  119.99413
_cell_volume       155.99756
_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 0.66568 0.33432 0.38089 1.00000
  Sm2 Sm 0.00000 0.00000 0.00000 1.00000
  Sm3 Sm 0.33432 0.66568 0.61911 1.00000
  Tm1 Tm 0.66715 0.33285 0.80986 1.00000
  Tm2 Tm 0.33285 0.66715 0.19014 1.00000
  N1 N 0.33360 0.66640 0.89534 1.00000
  N2 N 0.99919 0.00081 0.29221 1.00000
  N3 N 0.00081 0.99919 0.70779 1.00000
  N4 N 0.66640 0.33360 0.10466 1.00000
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