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Tb3Mg2Ir7

Alexandria ALEX

Alex-ID: agm026976567 · Space group: R-3m (#166)

Basic Information

Formula
Tb3Mg2Ir7
Alex-ID
agm026976567
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
218.72
ų
Cell a
9.0178
Å
Cell b
9.0178
Å
Cell c
9.0178
Å
α angle
35.30
°
β angle
35.30
°
γ angle
35.30
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tb3Mg2Ir7
Tb
3.00 · 25.0%
Mg
2.00 · 16.7%
Ir
7.00 · 58.3%

Energy & Stability

Energy above hull
0.0601
eV/atom
Formation energy
-0.6268
eV/atom
Corrected total energy
-86.6346
eV
Raw total energy
-86.6346
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.3813
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C7_62_spg12

Decomposition

Mg3Ir MgIr TbIr2

Computed at

2025-05-17 00:15:34

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: agm026976567).

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 agm026976567
data_agm026976567
_cell_length_a     9.01782
_cell_length_b     9.01782
_cell_length_c     9.01782
_cell_angle_alpha  35.29635
_cell_angle_beta   35.29635
_cell_angle_gamma  35.29635
_cell_volume       218.71684
_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
  Tb1 Tb 0.00000 0.00000 0.00000 1.00000
  Tb2 Tb 0.14053 0.14053 0.14053 1.00000
  Tb3 Tb 0.85947 0.85947 0.85947 1.00000
  Mg1 Mg 0.33597 0.33597 0.33597 1.00000
  Mg2 Mg 0.66403 0.66403 0.66403 1.00000
  Ir1 Ir 0.50000 0.50000 0.50000 1.00000
  Ir2 Ir 0.07677 0.58988 0.58988 1.00000
  Ir3 Ir 0.58988 0.58988 0.07677 1.00000
  Ir4 Ir 0.58988 0.07677 0.58988 1.00000
  Ir5 Ir 0.92323 0.41012 0.41012 1.00000
  Ir6 Ir 0.41012 0.92323 0.41012 1.00000
  Ir7 Ir 0.41012 0.41012 0.92323 1.00000
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