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Pm3AlIr2

Alexandria ALEX

Alex-ID: agm005677536 · Space group: Pnma (#62)

Basic Information

Formula
Pm3AlIr2
Alex-ID
agm005677536
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
589.04
ų
Cell a
4.0179
Å
Cell b
12.1689
Å
Cell c
12.0473
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm3AlIr2
Pm
12.00 · 50.0%
Al
4.00 · 16.7%
Ir
8.00 · 33.3%

Energy & Stability

Energy above hull
0.0642
eV/atom
Formation energy
-0.6516
eV/atom
Corrected total energy
-158.5153
eV
Raw total energy
-158.5153
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0475
eV
DOS at Fermi level
17.8552
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_315_spg62

Decomposition

PmAlIr Pm5Ir2 Pm5Ir3

Computed at

2023-08-07 04:30:34.331623

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: agm005677536).

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 agm005677536
data_agm005677536
_cell_length_a     4.01793
_cell_length_b     12.16891
_cell_length_c     12.04726
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       589.03720
_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 0.25000 0.37820 0.06143 1.00000
  Pm2 Pm 0.75000 0.62180 0.93857 1.00000
  Pm3 Pm 0.75000 0.87820 0.43857 1.00000
  Pm4 Pm 0.25000 0.12180 0.56143 1.00000
  Pm5 Pm 0.25000 0.68128 0.19262 1.00000
  Pm6 Pm 0.75000 0.31872 0.80738 1.00000
  Pm7 Pm 0.75000 0.18128 0.30738 1.00000
  Pm8 Pm 0.25000 0.81872 0.69262 1.00000
  Pm9 Pm 0.25000 0.42914 0.36976 1.00000
  Pm10 Pm 0.75000 0.57086 0.63024 1.00000
  Pm11 Pm 0.75000 0.92914 0.13024 1.00000
  Pm12 Pm 0.25000 0.07086 0.86976 1.00000
  Al1 Al 0.25000 0.12791 0.12357 1.00000
  Al2 Al 0.75000 0.87209 0.87643 1.00000
  Al3 Al 0.75000 0.62791 0.37643 1.00000
  Al4 Al 0.25000 0.37209 0.62357 1.00000
  Ir1 Ir 0.25000 0.68690 0.48202 1.00000
  Ir2 Ir 0.75000 0.31310 0.51798 1.00000
  Ir3 Ir 0.75000 0.18690 0.01798 1.00000
  Ir4 Ir 0.25000 0.81310 0.98202 1.00000
  Ir5 Ir 0.25000 0.01536 0.30658 1.00000
  Ir6 Ir 0.75000 0.98464 0.69342 1.00000
  Ir7 Ir 0.75000 0.51536 0.19342 1.00000
  Ir8 Ir 0.25000 0.48464 0.80658 1.00000
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