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SmB2Ir3

Alexandria ALEX

Alex-ID: agm002137232 · Space group: P6/mmm (#191)

Alexandria Database API

Basic Information

Formula
SmB2Ir3
Alex-ID
agm002137232
Elements
3
Sites
6
Space group
P6/mmm (#191)
Crystal system
hexagonal
Volume
82.89
ų
Cell a
3.1400
Å
Cell b
5.5211
Å
Cell c
5.5211
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmB2Ir3
B
2.00 · 33.3%
Ir
3.00 · 50.0%
Sm
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0026
eV/atom
Formation energy
-0.6556
eV/atom
Corrected total energy
-48.5948
eV
Raw total energy
-48.5948
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0001
eV
DOS at Fermi level
0.9377
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_1_spg191

Decomposition

Sm3(B3Ir4)2 Sm2(B2Ir3)3 SmIr2

Computed at

2018-05-22 13:34:21

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: agm002137232).

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 agm002137232
data_agm002137232
_cell_length_a     3.14000
_cell_length_b     5.52108
_cell_length_c     5.52108
_cell_angle_alpha  120.00003
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       82.89116
_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
  B1 B 0.00000 0.33333 0.66667 1.00000
  B2 B 0.00000 0.66667 0.33333 1.00000
  Ir1 Ir 0.50000 0.50000 0.00000 1.00000
  Ir2 Ir 0.50000 0.50000 0.50000 1.00000
  Ir3 Ir 0.50000 0.00000 0.50000 1.00000
  Sm1 Sm 0.00000 0.00000 0.00000 1.00000
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