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Er4Ag2PdAu

Alexandria ALEX

Alex-ID: agm034841862 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Er4Ag2PdAu
Alex-ID
agm034841862
Elements
4
Sites
8
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
181.12
ų
Cell a
5.0398
Å
Cell b
5.0398
Å
Cell c
7.1308
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er4Ag2PdAu
Er
4.00 · 50.0%
Ag
2.00 · 25.0%
Pd
1.00 · 12.5%
Au
1.00 · 12.5%

Energy & Stability

Energy above hull
0.0105
eV/atom
Formation energy
-0.6229
eV/atom
Corrected total energy
-37.4069
eV
Raw total energy
-37.4069
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.5003
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_85_spg111

Decomposition

Er5Ag4Au Er4Ag3Pd Er2PdAu

Computed at

2025-03-02 00:26:00

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: agm034841862).

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 agm034841862
data_agm034841862
_cell_length_a     5.03983
_cell_length_b     5.03983
_cell_length_c     7.13077
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       181.12080
_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 0.50000 0.00000 0.24199 1.00000
  Er2 Er 0.50000 0.00000 0.75801 1.00000
  Er3 Er 0.00000 0.50000 0.75801 1.00000
  Er4 Er 0.00000 0.50000 0.24199 1.00000
  Ag1 Ag 0.50000 0.50000 0.50000 1.00000
  Ag2 Ag 0.00000 0.00000 0.50000 1.00000
  Pd1 Pd 0.50000 0.50000 0.00000 1.00000
  Au1 Au 0.00000 0.00000 0.00000 1.00000
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