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SmTaTiIr2

Alexandria ALEX

Alex-ID: agm005017557 · Space group: I-4m2 (#119)

Basic Information

Formula
SmTaTiIr2
Alex-ID
agm005017557
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
101.63
ų
Cell a
4.3737
Å
Cell b
4.3737
Å
Cell c
6.1473
Å
α angle
110.84
°
β angle
110.84
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmTaTiIr2
Sm
1.00 · 20.0%
Ta
1.00 · 20.0%
Ti
1.00 · 20.0%
Ir
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0001
eV/atom
Formation energy
-0.7246
eV/atom
Corrected total energy
-45.8161
eV
Raw total energy
-45.8161
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0186
eV
DOS at Fermi level
3.4165
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_49_spg119

Decomposition

Sm(TiIr)2 Sm2TiIr3 Ta3Ir

Computed at

2022-08-05 03:11:08.854105

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: agm005017557).

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 agm005017557
data_agm005017557
_cell_length_a     4.37365
_cell_length_b     4.37365
_cell_length_c     6.14734
_cell_angle_alpha  110.83852
_cell_angle_beta   110.83852
_cell_angle_gamma  90.00000
_cell_volume       101.62699
_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 0.00000 0.00000 0.00000 1.00000
  Ta1 Ta 0.75000 0.25000 0.50000 1.00000
  Ti1 Ti 0.25000 0.75000 0.50000 1.00000
  Ir1 Ir 0.62298 0.62298 0.24597 1.00000
  Ir2 Ir 0.37702 0.37702 0.75403 1.00000
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