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HEAS Data Platform · Materials Science Database

Pm2Ni2I

Alexandria ALEX

Alex-ID: agm038536282 · Space group: R-3m (#166)

Basic Information

Formula
Pm2Ni2I
Alex-ID
agm038536282
Elements
3
Sites
5
Space group
R-3m (#166)
Crystal system
trigonal
Volume
124.32
ų
Cell a
8.9710
Å
Cell b
8.9710
Å
Cell c
8.9710
Å
α angle
26.24
°
β angle
26.24
°
γ angle
26.24
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2Ni2I
Pm
2.00 · 40.0%
Ni
2.00 · 40.0%
I
1.00 · 20.0%

Energy & Stability

Energy above hull
0.0121
eV/atom
Formation energy
-0.6749
eV/atom
Corrected total energy
-25.9938
eV
Raw total energy
-25.9938
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.2237
Total magnetisation
0.0002
μB

Additional Information

Prototype ID

AB2C2_2252_spg12

Decomposition

Pm2Ni2I

Computed at

2025-02-25 03:59:32

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: agm038536282).

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 agm038536282
data_agm038536282
_cell_length_a     8.97103
_cell_length_b     8.97103
_cell_length_c     8.97103
_cell_angle_alpha  26.23513
_cell_angle_beta   26.23513
_cell_angle_gamma  26.23513
_cell_volume       124.31611
_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 0.43061 0.43061 0.43061 1.00000
  Pm2 Pm 0.56939 0.56939 0.56939 1.00000
  Ni1 Ni 0.16712 0.16712 0.16712 1.00000
  Ni2 Ni 0.83288 0.83288 0.83288 1.00000
  I1 I 0.00000 0.00000 0.00000 1.00000
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