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Ac8Mg4Au

Alexandria ALEX

Alex-ID: agm097488203 · Space group: Pm (#6)

Basic Information

Formula
Ac8Mg4Au
Alex-ID
agm097488203
Elements
3
Sites
13
Space group
Pm (#6)
Crystal system
monoclinic
Volume
484.85
ų
Cell a
3.9281
Å
Cell b
12.2315
Å
Cell c
11.4425
Å
α angle
61.87
°
β angle
90.01
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac8Mg4Au
Ac
8.00 · 61.5%
Mg
4.00 · 30.8%
Au
1.00 · 7.7%

Energy & Stability

Energy above hull
0.1217
eV/atom
Formation energy
-0.0691
eV/atom
Corrected total energy
-43.4217
eV
Raw total energy
-43.4217
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
11.3445
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

AB4C8_1504_spg8

Decomposition

AcMgAu AcMg2 Ac

Computed at

2025-06-16 16:02:22

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: agm097488203).

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 agm097488203
data_agm097488203
_cell_length_a     3.92811
_cell_length_b     12.23149
_cell_length_c     11.44253
_cell_angle_alpha  61.87362
_cell_angle_beta   90.01059
_cell_angle_gamma  89.99869
_cell_volume       484.85228
_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 0.30783 0.18109 0.16467 1.00000
  Ac2 Ac 0.30708 0.62198 0.15975 1.00000
  Ac3 Ac 0.30792 0.69205 0.67141 1.00000
  Ac4 Ac 0.30775 0.15662 0.67679 1.00000
  Ac5 Ac 0.80741 0.81316 0.32014 1.00000
  Ac6 Ac 0.80733 0.33072 0.35353 1.00000
  Ac7 Ac 0.80784 0.38039 0.78135 1.00000
  Ac8 Ac 0.80735 0.84346 0.85152 1.00000
  Mg1 Mg 0.80770 0.07176 0.97660 1.00000
  Mg2 Mg 0.80630 0.49787 0.99590 1.00000
  Mg3 Mg 0.30712 0.50675 0.49429 1.00000
  Mg4 Mg 0.81078 0.00125 0.49599 1.00000
  Au1 Au 0.30758 0.90290 0.05806 1.00000
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