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AcGe2IrPd

Alexandria ALEX

Alex-ID: agm005016798 · Space group: I-4m2 (#119)

Basic Information

Formula
AcGe2IrPd
Alex-ID
agm005016798
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
102.77
ų
Cell a
4.4143
Å
Cell b
4.4143
Å
Cell c
6.1284
Å
α angle
111.11
°
β angle
111.11
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcGe2IrPd
Ac
1.00 · 20.0%
Ge
2.00 · 40.0%
Ir
1.00 · 20.0%
Pd
1.00 · 20.0%

Energy & Stability

Energy above hull
0.0643
eV/atom
Formation energy
-0.7190
eV/atom
Corrected total energy
-30.9918
eV
Raw total energy
-30.9918
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0127
eV
DOS at Fermi level
3.0683
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_49_spg119

Decomposition

Ac(GePd)2 Ac(GeIr)2

Computed at

2022-07-04 06:55:36.415836

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: agm005016798).

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 agm005016798
data_agm005016798
_cell_length_a     4.41435
_cell_length_b     4.41435
_cell_length_c     6.12837
_cell_angle_alpha  111.10981
_cell_angle_beta   111.10981
_cell_angle_gamma  90.00000
_cell_volume       102.76897
_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
  Ac1 Ac 0.00000 0.00000 0.00000 1.00000
  Ge1 Ge 0.63230 0.63230 0.26460 1.00000
  Ge2 Ge 0.36770 0.36770 0.73540 1.00000
  Ir1 Ir 0.25000 0.75000 0.50000 1.00000
  Pd1 Pd 0.75000 0.25000 0.50000 1.00000
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