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La2HoEr2Mg5

Alexandria ALEX

Alex-ID: agm005144019 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
La2HoEr2Mg5
Alex-ID
agm005144019
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
574.64
ų
Cell a
5.0929
Å
Cell b
10.6222
Å
Cell c
10.6222
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La2HoEr2Mg5
La
4.00 · 20.0%
Ho
2.00 · 10.0%
Er
4.00 · 20.0%
Mg
10.00 · 50.0%

Energy & Stability

Energy above hull
0.1086
eV/atom
Formation energy
0.0103
eV/atom
Corrected total energy
-62.8573
eV
Raw total energy
-62.8573
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
14.4130
Total magnetisation
-0.0002
μB

Additional Information

Prototype ID

AB2C2D5_50_spg127

Decomposition

HoErMg HoEr5 LaMg3 LaMg

Computed at

2022-07-15 00:00:09.095819

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: agm005144019).

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 agm005144019
data_agm005144019
_cell_length_a     5.09294
_cell_length_b     10.62216
_cell_length_c     10.62216
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       574.63752
_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
  La1 La 0.00000 0.67558 0.17558 1.00000
  La2 La 0.00000 0.32442 0.82442 1.00000
  La3 La 0.00000 0.17558 0.32442 1.00000
  La4 La 0.00000 0.82442 0.67558 1.00000
  Ho1 Ho 0.00000 0.00000 0.00000 1.00000
  Ho2 Ho 0.00000 0.50000 0.50000 1.00000
  Er1 Er 0.00000 0.12046 0.62046 1.00000
  Er2 Er 0.00000 0.87954 0.37954 1.00000
  Er3 Er 0.00000 0.62046 0.87954 1.00000
  Er4 Er 0.00000 0.37954 0.12046 1.00000
  Mg1 Mg 0.50000 0.19849 0.07073 1.00000
  Mg2 Mg 0.50000 0.80151 0.92927 1.00000
  Mg3 Mg 0.50000 0.07073 0.80151 1.00000
  Mg4 Mg 0.50000 0.69849 0.42927 1.00000
  Mg5 Mg 0.50000 0.92927 0.19849 1.00000
  Mg6 Mg 0.50000 0.30151 0.57073 1.00000
  Mg7 Mg 0.50000 0.57073 0.69849 1.00000
  Mg8 Mg 0.50000 0.42927 0.30151 1.00000
  Mg9 Mg 0.50000 0.50000 0.00000 1.00000
  Mg10 Mg 0.50000 0.00000 0.50000 1.00000
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