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PmAl2Ir

Alexandria ALEX

Alex-ID: agm005703202 · Space group: Pnma (#62)

Basic Information

Formula
PmAl2Ir
Alex-ID
agm005703202
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
633.25
ų
Cell a
5.8446
Å
Cell b
7.0509
Å
Cell c
15.3668
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmAl2Ir
Pm
8.00 · 25.0%
Al
16.00 · 50.0%
Ir
8.00 · 25.0%

Energy & Stability

Energy above hull
0.0142
eV/atom
Formation energy
-0.7998
eV/atom
Corrected total energy
-194.4138
eV
Raw total energy
-194.4138
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0027
eV
DOS at Fermi level
19.1025
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_547_spg62

Decomposition

PmAlIr Pm5Ir2 Pm2(Al3Ir)3

Computed at

2023-07-11 18:49:22.217534

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: agm005703202).

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 agm005703202
data_agm005703202
_cell_length_a     5.84456
_cell_length_b     7.05088
_cell_length_c     15.36678
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       633.25410
_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 0.46820 0.25000 0.13758 1.00000
  Pm2 Pm 0.96820 0.75000 0.36242 1.00000
  Pm3 Pm 0.53180 0.75000 0.86242 1.00000
  Pm4 Pm 0.03180 0.25000 0.63758 1.00000
  Pm5 Pm 0.75077 0.25000 0.39996 1.00000
  Pm6 Pm 0.25077 0.75000 0.10004 1.00000
  Pm7 Pm 0.24923 0.75000 0.60004 1.00000
  Pm8 Pm 0.74923 0.25000 0.89996 1.00000
  Al1 Al 0.94893 0.05408 0.20932 1.00000
  Al2 Al 0.44893 0.94592 0.29068 1.00000
  Al3 Al 0.05107 0.55408 0.79068 1.00000
  Al4 Al 0.55107 0.44592 0.70932 1.00000
  Al5 Al 0.05107 0.94592 0.79068 1.00000
  Al6 Al 0.55107 0.05408 0.70932 1.00000
  Al7 Al 0.94893 0.44592 0.20932 1.00000
  Al8 Al 0.44893 0.55408 0.29068 1.00000
  Al9 Al 0.76910 0.56070 0.04543 1.00000
  Al10 Al 0.26910 0.43930 0.45457 1.00000
  Al11 Al 0.23090 0.06070 0.95457 1.00000
  Al12 Al 0.73090 0.93930 0.54543 1.00000
  Al13 Al 0.23090 0.43930 0.95457 1.00000
  Al14 Al 0.73090 0.56070 0.54543 1.00000
  Al15 Al 0.76910 0.93930 0.04543 1.00000
  Al16 Al 0.26910 0.06070 0.45457 1.00000
  Ir1 Ir 0.21417 0.25000 0.30995 1.00000
  Ir2 Ir 0.71417 0.75000 0.19005 1.00000
  Ir3 Ir 0.78583 0.75000 0.69005 1.00000
  Ir4 Ir 0.28583 0.25000 0.80995 1.00000
  Ir5 Ir 0.99412 0.25000 0.06932 1.00000
  Ir6 Ir 0.49412 0.75000 0.43068 1.00000
  Ir7 Ir 0.00588 0.75000 0.93068 1.00000
  Ir8 Ir 0.50588 0.25000 0.56932 1.00000
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