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ErTm2Al5Co2

Alexandria ALEX

Alex-ID: agm036780428 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
ErTm2Al5Co2
Alex-ID
agm036780428
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
361.82
ų
Cell a
4.0755
Å
Cell b
9.4223
Å
Cell c
9.4223
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
ErTm2Al5Co2
Er
2.00 · 10.0%
Tm
4.00 · 20.0%
Al
10.00 · 50.0%
Co
4.00 · 20.0%

Energy & Stability

Energy above hull
0.0003
eV/atom
Formation energy
-0.5230
eV/atom
Corrected total energy
-103.4219
eV
Raw total energy
-103.4219
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0022
eV
DOS at Fermi level
11.0454
Total magnetisation
0.0002
μB

Additional Information

Prototype ID

AB2C2D5_6_spg127

Decomposition

Er3Al5Co TmAl2Co Tm4AlCo ErAl2

Computed at

2025-03-24 14:06:20

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: agm036780428).

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 agm036780428
data_agm036780428
_cell_length_a     4.07551
_cell_length_b     9.42230
_cell_length_c     9.42225
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       361.82101
_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
  Er1 Er 0.00000 0.00000 0.00000 1.00000
  Er2 Er 0.00000 0.50000 0.50000 1.00000
  Tm1 Tm 0.00000 0.67530 0.17513 1.00000
  Tm2 Tm 0.00000 0.32470 0.82487 1.00000
  Tm3 Tm 0.00000 0.17530 0.32487 1.00000
  Tm4 Tm 0.00000 0.82470 0.67513 1.00000
  Al1 Al 0.50000 0.22535 0.06909 1.00000
  Al2 Al 0.50000 0.77465 0.93091 1.00000
  Al3 Al 0.50000 0.06887 0.77467 1.00000
  Al4 Al 0.50000 0.72535 0.43091 1.00000
  Al5 Al 0.50000 0.93113 0.22533 1.00000
  Al6 Al 0.50000 0.27465 0.56909 1.00000
  Al7 Al 0.50000 0.56887 0.72533 1.00000
  Al8 Al 0.50000 0.43113 0.27467 1.00000
  Al9 Al 0.50000 0.50000 0.00000 1.00000
  Al10 Al 0.50000 0.00000 0.50000 1.00000
  Co1 Co 0.00000 0.11644 0.61661 1.00000
  Co2 Co 0.00000 0.88356 0.38339 1.00000
  Co3 Co 0.00000 0.61644 0.88339 1.00000
  Co4 Co 0.00000 0.38356 0.11661 1.00000
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