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AcAlAgGe2

Alexandria ALEX

Alex-ID: agm005016376 · Space group: I-4m2 (#119)

Basic Information

Formula
AcAlAgGe2
Alex-ID
agm005016376
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
111.57
ų
Cell a
4.3113
Å
Cell b
4.3113
Å
Cell c
6.7324
Å
α angle
108.67
°
β angle
108.67
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcAlAgGe2
Ac
1.00 · 20.0%
Al
1.00 · 20.0%
Ag
1.00 · 20.0%
Ge
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0218
eV/atom
Formation energy
-0.4130
eV/atom
Corrected total energy
-22.0048
eV
Raw total energy
-22.0048
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
1.8089
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Ac(AlGe)2 Ac(AgGe)2

Computed at

2022-07-03 21:10:11.856032

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: agm005016376).

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 agm005016376
data_agm005016376
_cell_length_a     4.31125
_cell_length_b     4.31125
_cell_length_c     6.73239
_cell_angle_alpha  108.67426
_cell_angle_beta   108.67426
_cell_angle_gamma  90.00000
_cell_volume       111.57056
_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
  Al1 Al 0.75000 0.25000 0.50000 1.00000
  Ag1 Ag 0.25000 0.75000 0.50000 1.00000
  Ge1 Ge 0.61443 0.61443 0.22885 1.00000
  Ge2 Ge 0.38557 0.38557 0.77115 1.00000
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