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AcMgZnGe2

Alexandria ALEX

Alex-ID: agm005016609 · Space group: I-4m2 (#119)

Basic Information

Formula
AcMgZnGe2
Alex-ID
agm005016609
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
112.79
ų
Cell a
4.3702
Å
Cell b
4.3702
Å
Cell c
6.6652
Å
α angle
109.14
°
β angle
109.14
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcMgZnGe2
Ac
1.00 · 20.0%
Mg
1.00 · 20.0%
Zn
1.00 · 20.0%
Ge
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0011
eV/atom
Formation energy
-0.4897
eV/atom
Corrected total energy
-18.6646
eV
Raw total energy
-18.6646
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
1.9812
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Ac(MgGe)2 Ac(ZnGe)2

Computed at

2022-07-04 14:41:35.103883

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: agm005016609).

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 agm005016609
data_agm005016609
_cell_length_a     4.37017
_cell_length_b     4.37017
_cell_length_c     6.66519
_cell_angle_alpha  109.13747
_cell_angle_beta   109.13747
_cell_angle_gamma  90.00000
_cell_volume       112.78668
_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
  Mg1 Mg 0.75000 0.25000 0.50000 1.00000
  Zn1 Zn 0.25000 0.75000 0.50000 1.00000
  Ge1 Ge 0.61424 0.61424 0.22848 1.00000
  Ge2 Ge 0.38576 0.38576 0.77152 1.00000
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