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Er2Al17

Alexandria ALEX

Alex-ID: agm003245339 · Space group: P6_3/mmc (#194)

Basic Information

Formula
Er2Al17
Alex-ID
agm003245339
Elements
2
Sites
38
Space group
P6_3/mmc (#194)
Crystal system
hexagonal
Volume
687.43
ų
Cell a
9.4179
Å
Cell b
9.4179
Å
Cell c
8.9493
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2Al17
Al
34.00 · 89.5%
Er
4.00 · 10.5%

Energy & Stability

Energy above hull
0.0935
eV/atom
Formation energy
-0.0841
eV/atom
Corrected total energy
-148.7941
eV
Raw total energy
-148.7941
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0794
eV
DOS at Fermi level
24.5792
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B17_0_spg194

Decomposition

ErAl3 Al

Computed at

2021-12-17 22:38:03.741133

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: agm003245339).

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 agm003245339
data_agm003245339
_cell_length_a     9.41792
_cell_length_b     9.41792
_cell_length_c     8.94927
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00060
_cell_volume       687.42567
_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
  Al1 Al 0.33334 0.66666 0.10192 1.00000
  Al2 Al 0.66666 0.33334 0.60192 1.00000
  Al3 Al 0.66666 0.33334 0.89808 1.00000
  Al4 Al 0.33334 0.66666 0.39808 1.00000
  Al5 Al 0.50000 0.00000 0.00000 1.00000
  Al6 Al 0.00000 0.50000 0.00000 1.00000
  Al7 Al 0.50000 0.50000 0.00000 1.00000
  Al8 Al 0.50000 0.00000 0.50000 1.00000
  Al9 Al 0.00000 0.50000 0.50000 1.00000
  Al10 Al 0.50000 0.50000 0.50000 1.00000
  Al11 Al 0.32770 0.96334 0.25000 1.00000
  Al12 Al 0.03666 0.36435 0.25000 1.00000
  Al13 Al 0.63565 0.67231 0.25000 1.00000
  Al14 Al 0.67230 0.03666 0.75000 1.00000
  Al15 Al 0.96334 0.63565 0.75000 1.00000
  Al16 Al 0.36435 0.32769 0.75000 1.00000
  Al17 Al 0.96334 0.32770 0.75000 1.00000
  Al18 Al 0.36435 0.03666 0.75000 1.00000
  Al19 Al 0.67231 0.63565 0.75000 1.00000
  Al20 Al 0.03666 0.67230 0.25000 1.00000
  Al21 Al 0.63565 0.96334 0.25000 1.00000
  Al22 Al 0.32769 0.36435 0.25000 1.00000
  Al23 Al 0.16452 0.32903 0.97677 1.00000
  Al24 Al 0.67097 0.83548 0.97677 1.00000
  Al25 Al 0.16452 0.83548 0.97677 1.00000
  Al26 Al 0.83548 0.67097 0.47677 1.00000
  Al27 Al 0.32903 0.16452 0.47677 1.00000
  Al28 Al 0.83548 0.16452 0.47677 1.00000
  Al29 Al 0.32903 0.16452 0.02323 1.00000
  Al30 Al 0.83548 0.67097 0.02323 1.00000
  Al31 Al 0.83548 0.16452 0.02323 1.00000
  Al32 Al 0.67097 0.83548 0.52323 1.00000
  Al33 Al 0.16452 0.32903 0.52323 1.00000
  Al34 Al 0.16452 0.83548 0.52323 1.00000
  Er1 Er 1.00000 0.00000 0.25000 1.00000
  Er2 Er 0.00000 1.00000 0.75000 1.00000
  Er3 Er 0.33333 0.66667 0.75000 1.00000
  Er4 Er 0.66667 0.33333 0.25000 1.00000
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