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La6Al4Fe9As

Alexandria ALEX

Alex-ID: agm003248151 · Space group: I4/mcm (#140)

Basic Information

Formula
La6Al4Fe9As
Alex-ID
agm003248151
Elements
4
Sites
40
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
784.03
ų
Cell a
8.1754
Å
Cell b
8.1754
Å
Cell c
13.0777
Å
α angle
108.21
°
β angle
108.21
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La6Al4Fe9As
La
12.00 · 30.0%
Al
8.00 · 20.0%
Fe
18.00 · 45.0%
As
2.00 · 5.0%

Energy & Stability

Energy above hull
0.0069
eV/atom
Formation energy
-0.3302
eV/atom
Corrected total energy
-263.9307
eV
Raw total energy
-263.9307
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
43.8940
Total magnetisation
-31.5621
μB

Additional Information

Prototype ID

AB4C6D9_1_spg140

Decomposition

AlFe4 La4Fe LaAlFe2 LaAs

Computed at

2022-01-01 16:06:03.826089

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: agm003248151).

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 agm003248151
data_agm003248151
_cell_length_a     8.17536
_cell_length_b     8.17536
_cell_length_c     13.07768
_cell_angle_alpha  108.21412
_cell_angle_beta   108.21412
_cell_angle_gamma  90.00000
_cell_volume       784.03338
_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 0.10688 0.10688 0.21377 1.00000
  La2 La 0.89312 0.89312 0.78623 1.00000
  La3 La 0.39312 0.39312 0.78623 1.00000
  La4 La 0.60688 0.60688 0.21377 1.00000
  La5 La 0.36157 0.86157 0.38146 1.00000
  La6 La 0.63843 0.13843 0.61854 1.00000
  La7 La 0.01988 0.51988 0.38146 1.00000
  La8 La 0.51988 0.36157 0.38146 1.00000
  La9 La 0.13843 0.98012 0.61854 1.00000
  La10 La 0.98012 0.48012 0.61854 1.00000
  La11 La 0.48012 0.63843 0.61854 1.00000
  La12 La 0.86157 0.01988 0.38146 1.00000
  Al1 Al 0.71167 0.21167 0.18613 1.00000
  Al2 Al 0.28833 0.78833 0.81387 1.00000
  Al3 Al 0.47446 0.97446 0.18613 1.00000
  Al4 Al 0.97446 0.71167 0.18613 1.00000
  Al5 Al 0.78833 0.52554 0.81387 1.00000
  Al6 Al 0.52554 0.02554 0.81387 1.00000
  Al7 Al 0.02554 0.28833 0.81387 1.00000
  Al8 Al 0.21167 0.47446 0.18613 1.00000
  Fe1 Fe 0.06892 0.21085 0.00000 1.00000
  Fe2 Fe 0.93108 0.78915 0.00000 1.00000
  Fe3 Fe 0.78915 0.06892 0.00000 1.00000
  Fe4 Fe 0.43108 0.71085 1.00000 1.00000
  Fe5 Fe 0.21085 0.93108 1.00000 1.00000
  Fe6 Fe 0.56892 0.28915 0.00000 1.00000
  Fe7 Fe 0.71085 0.56892 0.00000 1.00000
  Fe8 Fe 0.28915 0.43108 0.00000 1.00000
  Fe9 Fe 0.00000 0.50000 0.00000 1.00000
  Fe10 Fe 0.50000 0.00000 0.00000 1.00000
  Fe11 Fe 0.23232 0.73232 0.11367 1.00000
  Fe12 Fe 0.76768 0.26768 0.88633 1.00000
  Fe13 Fe 0.88136 0.38136 0.11367 1.00000
  Fe14 Fe 0.38136 0.23232 0.11367 1.00000
  Fe15 Fe 0.26768 0.11864 0.88633 1.00000
  Fe16 Fe 0.11864 0.61864 0.88633 1.00000
  Fe17 Fe 0.61864 0.76768 0.88633 1.00000
  Fe18 Fe 0.73232 0.88136 0.11367 1.00000
  As1 As 0.25000 0.25000 0.50000 1.00000
  As2 As 0.75000 0.75000 0.50000 1.00000
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