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Np2GeIr3

Alexandria ALEX

Alex-ID: agm005680090 · Space group: P6_3/mmc (#194)

Basic Information

Formula
Np2GeIr3
Alex-ID
agm005680090
Elements
3
Sites
12
Space group
P6_3/mmc (#194)
Crystal system
hexagonal
Volume
212.36
ų
Cell a
5.5707
Å
Cell b
5.5707
Å
Cell c
7.9020
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np2GeIr3
Np
4.00 · 33.3%
Ge
2.00 · 16.7%
Ir
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.5141
eV/atom
Corrected total energy
-120.3323
eV
Raw total energy
-120.3323
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0084
eV
DOS at Fermi level
24.2674
Total magnetisation
12.9696
μB

Additional Information

Prototype ID

AB2C3_9_spg194

Decomposition

Np2GeIr3

Computed at

2023-08-18 06:15:16.161367

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: agm005680090).

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 agm005680090
data_agm005680090
_cell_length_a     5.57067
_cell_length_b     5.57066
_cell_length_c     7.90198
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00001
_cell_volume       212.36377
_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
  Np1 Np 0.66667 0.33333 0.42456 1.00000
  Np2 Np 0.33333 0.66667 0.57544 1.00000
  Np3 Np 0.33333 0.66667 0.92456 1.00000
  Np4 Np 0.66667 0.33333 0.07544 1.00000
  Ge1 Ge 0.00000 0.00000 0.50000 1.00000
  Ge2 Ge 0.00000 0.00000 0.00000 1.00000
  Ir1 Ir 0.17111 0.34222 0.25000 1.00000
  Ir2 Ir 0.34223 0.17111 0.75000 1.00000
  Ir3 Ir 0.82889 0.65778 0.75000 1.00000
  Ir4 Ir 0.17111 0.82889 0.25000 1.00000
  Ir5 Ir 0.82889 0.17111 0.75000 1.00000
  Ir6 Ir 0.65777 0.82889 0.25000 1.00000
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