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Pm7IrSe5

Alexandria ALEX

Alex-ID: agm006077181 · Space group: Cmc2_1 (#36)

Basic Information

Formula
Pm7IrSe5
Alex-ID
agm006077181
Elements
3
Sites
26
Space group
Cmc2_1 (#36)
Crystal system
orthorhombic
Volume
705.86
ų
Cell a
4.0587
Å
Cell b
7.2341
Å
Cell c
25.0465
Å
α angle
89.99
°
β angle
90.00
°
γ angle
106.29
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm7IrSe5
Pm
14.00 · 53.8%
Ir
2.00 · 7.7%
Se
10.00 · 38.5%

Energy & Stability

Energy above hull
0.0296
eV/atom
Formation energy
-1.5181
eV/atom
Corrected total energy
-158.6083
eV
Raw total energy
-158.6083
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0148
eV
DOS at Fermi level
15.2503
Total magnetisation
0.0007
μB

Additional Information

Prototype ID

AB5C7_117_spg36

Decomposition

Pm8IrSe7 Pm5Ir2 PmSe

Computed at

2023-08-09 13:12:50.578995

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: agm006077181).

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 agm006077181
data_agm006077181
_cell_length_a     4.05870
_cell_length_b     7.23409
_cell_length_c     25.04651
_cell_angle_alpha  89.99265
_cell_angle_beta   90.00000
_cell_angle_gamma  106.29157
_cell_volume       705.86201
_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 0.45427 0.90854 0.24913 1.00000
  Pm2 Pm 0.54634 0.09268 0.74918 1.00000
  Pm3 Pm 0.64974 0.29948 0.03836 1.00000
  Pm4 Pm 0.37044 0.74088 0.96478 1.00000
  Pm5 Pm 0.35075 0.70150 0.53835 1.00000
  Pm6 Pm 0.63011 0.26023 0.46466 1.00000
  Pm7 Pm 0.21283 0.42566 0.18134 1.00000
  Pm8 Pm 0.80374 0.60748 0.81788 1.00000
  Pm9 Pm 0.78756 0.57511 0.68129 1.00000
  Pm10 Pm 0.19706 0.39412 0.31789 1.00000
  Pm11 Pm 0.92697 0.85394 0.10779 1.00000
  Pm12 Pm 0.10157 0.20314 0.87936 1.00000
  Pm13 Pm 0.07337 0.14675 0.60777 1.00000
  Pm14 Pm 0.89925 0.79851 0.37936 1.00000
  Ir1 Ir 0.81046 0.62091 0.26151 1.00000
  Ir2 Ir 0.19017 0.38035 0.76161 1.00000
  Se1 Se 0.01374 0.02747 0.99659 1.00000
  Se2 Se 0.73120 0.46241 0.92831 1.00000
  Se3 Se 0.28838 0.57677 0.07292 1.00000
  Se4 Se 0.54874 0.09748 0.35649 1.00000
  Se5 Se 0.43518 0.87037 0.64559 1.00000
  Se6 Se 0.98680 0.97361 0.49653 1.00000
  Se7 Se 0.26949 0.53898 0.42829 1.00000
  Se8 Se 0.71199 0.42398 0.57285 1.00000
  Se9 Se 0.45202 0.90403 0.85662 1.00000
  Se10 Se 0.56522 0.13044 0.14556 1.00000
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