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PmBeIrN

Alexandria ALEX

Alex-ID: agm005209800 · Space group: P4/nmm (#129)

Alexandria Database API

Basic Information

Formula
PmBeIrN
Alex-ID
agm005209800
Elements
4
Sites
8
Space group
P4/nmm (#129)
Crystal system
tetragonal
Volume
115.11
ų
Cell a
3.7492
Å
Cell b
3.7492
Å
Cell c
8.1892
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmBeIrN
Pm
2.00 · 25.0%
Be
2.00 · 25.0%
Ir
2.00 · 25.0%
N
2.00 · 25.0%

Energy & Stability

Energy above hull
0.0094
eV/atom
Formation energy
-1.0912
eV/atom
Corrected total energy
-59.3102
eV
Raw total energy
-59.3102
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.0882
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD_7_spg129

Decomposition

PmBe2Ir3 PmN PmIr2 Be3N2

Computed at

2022-07-10 09:23:06.791188

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: agm005209800).

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 agm005209800
data_agm005209800
_cell_length_a     3.74916
_cell_length_b     3.74916
_cell_length_c     8.18917
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       115.10873
_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 0.00000 0.50000 0.84114 1.00000
  Pm2 Pm 0.50000 0.00000 0.15886 1.00000
  Be1 Be 0.00000 0.50000 0.32817 1.00000
  Be2 Be 0.50000 0.00000 0.67183 1.00000
  Ir1 Ir 0.00000 0.00000 0.50000 1.00000
  Ir2 Ir 0.50000 0.50000 0.50000 1.00000
  N1 N 0.50000 0.00000 0.86800 1.00000
  N2 N 0.00000 0.50000 0.13200 1.00000
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