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PmMg2Au

Alexandria ALEX

Alex-ID: agm005691890 · Space group: Pnma (#62)

Basic Information

Formula
PmMg2Au
Alex-ID
agm005691890
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
765.99
ų
Cell a
5.7016
Å
Cell b
8.1731
Å
Cell c
16.4375
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmMg2Au
Pm
8.00 · 25.0%
Mg
16.00 · 50.0%
Au
8.00 · 25.0%

Energy & Stability

Energy above hull
0.0144
eV/atom
Formation energy
-0.4982
eV/atom
Corrected total energy
-105.6788
eV
Raw total energy
-105.6788
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0450
eV
DOS at Fermi level
20.2417
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_547_spg62

Decomposition

PmMg2Au

Computed at

2023-07-12 06:40:43.966844

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: agm005691890).

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 agm005691890
data_agm005691890
_cell_length_a     5.70163
_cell_length_b     8.17312
_cell_length_c     16.43751
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       765.99029
_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
  Pm1 Pm 0.44698 0.25000 0.13782 1.00000
  Pm2 Pm 0.94698 0.75000 0.36218 1.00000
  Pm3 Pm 0.55302 0.75000 0.86218 1.00000
  Pm4 Pm 0.05302 0.25000 0.63782 1.00000
  Pm5 Pm 0.75299 0.25000 0.39443 1.00000
  Pm6 Pm 0.25299 0.75000 0.10557 1.00000
  Pm7 Pm 0.24701 0.75000 0.60557 1.00000
  Pm8 Pm 0.74701 0.25000 0.89443 1.00000
  Mg1 Mg 0.95422 0.05495 0.21413 1.00000
  Mg2 Mg 0.45422 0.94505 0.28587 1.00000
  Mg3 Mg 0.04578 0.55495 0.78587 1.00000
  Mg4 Mg 0.54578 0.44505 0.71413 1.00000
  Mg5 Mg 0.04578 0.94505 0.78587 1.00000
  Mg6 Mg 0.54578 0.05495 0.71413 1.00000
  Mg7 Mg 0.95422 0.44505 0.21413 1.00000
  Mg8 Mg 0.45422 0.55495 0.28587 1.00000
  Mg9 Mg 0.75166 0.55468 0.03765 1.00000
  Mg10 Mg 0.25166 0.44532 0.46235 1.00000
  Mg11 Mg 0.24834 0.05468 0.96235 1.00000
  Mg12 Mg 0.74834 0.94532 0.53765 1.00000
  Mg13 Mg 0.24834 0.44532 0.96235 1.00000
  Mg14 Mg 0.74834 0.55468 0.53765 1.00000
  Mg15 Mg 0.75166 0.94532 0.03765 1.00000
  Mg16 Mg 0.25166 0.05468 0.46235 1.00000
  Au1 Au 0.25049 0.25000 0.31693 1.00000
  Au2 Au 0.75049 0.75000 0.18307 1.00000
  Au3 Au 0.74951 0.75000 0.68307 1.00000
  Au4 Au 0.24951 0.25000 0.81693 1.00000
  Au5 Au 0.95498 0.25000 0.06834 1.00000
  Au6 Au 0.45498 0.75000 0.43166 1.00000
  Au7 Au 0.04502 0.75000 0.93166 1.00000
  Au8 Au 0.54502 0.25000 0.56834 1.00000
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