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Tm2AlFe5B2

Alexandria ALEX

Alex-ID: agm005138641 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Tm2AlFe5B2
Alex-ID
agm005138641
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
251.33
ų
Cell a
3.1365
Å
Cell b
8.9516
Å
Cell c
8.9516
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tm2AlFe5B2
Tm
4.00 · 20.0%
Al
2.00 · 10.0%
Fe
10.00 · 50.0%
B
4.00 · 20.0%

Energy & Stability

Energy above hull
0.1018
eV/atom
Formation energy
-0.2666
eV/atom
Corrected total energy
-142.0466
eV
Raw total energy
-142.0466
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
20.6617
Total magnetisation
12.1794
μB

Additional Information

Prototype ID

AB2C2D5_48_spg127

Decomposition

TmAlFe2 TmAlFe4 Tm2Fe5B4

Computed at

2022-07-14 12:56:48.521007

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: agm005138641).

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 agm005138641
data_agm005138641
_cell_length_a     3.13649
_cell_length_b     8.95162
_cell_length_c     8.95162
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       251.33186
_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
  Tm1 Tm 0.00000 0.67770 0.17770 1.00000
  Tm2 Tm 0.00000 0.32230 0.82230 1.00000
  Tm3 Tm 0.00000 0.17770 0.32230 1.00000
  Tm4 Tm 0.00000 0.82230 0.67770 1.00000
  Al1 Al 0.00000 0.00000 0.00000 1.00000
  Al2 Al 0.00000 0.50000 0.50000 1.00000
  Fe1 Fe 0.50000 0.22750 0.06781 1.00000
  Fe2 Fe 0.50000 0.77250 0.93219 1.00000
  Fe3 Fe 0.50000 0.06781 0.77250 1.00000
  Fe4 Fe 0.50000 0.72750 0.43219 1.00000
  Fe5 Fe 0.50000 0.93219 0.22750 1.00000
  Fe6 Fe 0.50000 0.27250 0.56781 1.00000
  Fe7 Fe 0.50000 0.56781 0.72750 1.00000
  Fe8 Fe 0.50000 0.43219 0.27250 1.00000
  Fe9 Fe 0.50000 0.50000 0.00000 1.00000
  Fe10 Fe 0.50000 0.00000 0.50000 1.00000
  B1 B 0.00000 0.11865 0.61865 1.00000
  B2 B 0.00000 0.88135 0.38135 1.00000
  B3 B 0.00000 0.61865 0.88135 1.00000
  B4 B 0.00000 0.38135 0.11865 1.00000
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