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HEAS Data Platform · Materials Science Database

Pm2P7Ir12

Alexandria ALEX

Alex-ID: agm005674531 · Space group: P-3 (#147)

Alexandria Database API

Basic Information

Formula
Pm2P7Ir12
Alex-ID
agm005674531
Elements
3
Sites
21
Space group
P-3 (#147)
Crystal system
trigonal
Volume
320.21
ų
Cell a
4.0003
Å
Cell b
9.6140
Å
Cell c
9.6140
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2P7Ir12
Pm
2.00 · 9.5%
P
7.00 · 33.3%
Ir
12.00 · 57.1%

Energy & Stability

Energy above hull
0.0098
eV/atom
Formation energy
-0.6466
eV/atom
Corrected total energy
-167.2819
eV
Raw total energy
-167.2819
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
11.3109
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B7C12_16_spg147

Decomposition

PmP2Ir3 PIr2

Computed at

2023-06-21 08:32:12.915886

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: agm005674531).

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 agm005674531
data_agm005674531
_cell_length_a     4.00034
_cell_length_b     9.61395
_cell_length_c     9.61396
_cell_angle_alpha  120.00000
_cell_angle_beta   89.99997
_cell_angle_gamma  89.99999
_cell_volume       320.20742
_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 0.24698 0.33333 0.66667 1.00000
  Pm2 Pm 0.75302 0.66667 0.33333 1.00000
  P1 P 0.50000 0.00000 0.00000 1.00000
  P2 P 0.24689 0.87707 0.28401 1.00000
  P3 P 0.24689 0.40694 0.12293 1.00000
  P4 P 0.24689 0.71599 0.59306 1.00000
  P5 P 0.75311 0.12293 0.71599 1.00000
  P6 P 0.75311 0.59306 0.87707 1.00000
  P7 P 0.75311 0.28401 0.40694 1.00000
  Ir1 Ir 0.25421 0.61640 0.06774 1.00000
  Ir2 Ir 0.25421 0.45134 0.38360 1.00000
  Ir3 Ir 0.25421 0.93226 0.54866 1.00000
  Ir4 Ir 0.74579 0.38360 0.93226 1.00000
  Ir5 Ir 0.74579 0.54866 0.61640 1.00000
  Ir6 Ir 0.74579 0.06774 0.45134 1.00000
  Ir7 Ir 0.23668 0.10577 0.26201 1.00000
  Ir8 Ir 0.23668 0.15624 0.89423 1.00000
  Ir9 Ir 0.23668 0.73799 0.84376 1.00000
  Ir10 Ir 0.76332 0.89423 0.73799 1.00000
  Ir11 Ir 0.76332 0.84376 0.10577 1.00000
  Ir12 Ir 0.76332 0.26201 0.15624 1.00000
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