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Np4(Ga8Ir3)3

Alexandria ALEX

Alex-ID: agm008601931 · Space group: P-1 (#2)

Basic Information

Formula
Np4(Ga8Ir3)3
Alex-ID
agm008601931
Elements
3
Sites
37
Space group
P-1 (#2)
Crystal system
triclinic
Volume
640.60
ų
Cell a
7.5092
Å
Cell b
7.5114
Å
Cell c
13.3317
Å
α angle
79.17
°
β angle
84.63
°
γ angle
60.15
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np4(Ga8Ir3)3
Np
4.00 · 10.8%
Ga
24.00 · 64.9%
Ir
9.00 · 24.3%

Energy & Stability

Energy above hull
0.0096
eV/atom
Formation energy
-0.4183
eV/atom
Corrected total energy
-219.6935
eV
Raw total energy
-219.6935
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0080
eV
DOS at Fermi level
51.5844
Total magnetisation
14.7836
μB

Additional Information

Prototype ID

A4B9C24_1_spg2

Decomposition

Ga2Ir Np2(Ga3Ir)3

Computed at

2024-12-05 06:55:41

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: agm008601931).

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 agm008601931
data_agm008601931
_cell_length_a     7.50916
_cell_length_b     7.51143
_cell_length_c     13.33174
_cell_angle_alpha  79.17075
_cell_angle_beta   84.63355
_cell_angle_gamma  60.15109
_cell_volume       640.59991
_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 0.83253 0.56695 0.79699 1.00000
  Np2 Np 0.16747 0.43305 0.20301 1.00000
  Np3 Np 0.49972 0.23637 0.79707 1.00000
  Np4 Np 0.50028 0.76363 0.20293 1.00000
  Ga1 Ga 0.16591 0.51648 0.94442 1.00000
  Ga2 Ga 0.83409 0.48352 0.05558 1.00000
  Ga3 Ga 0.16847 0.98184 0.55424 1.00000
  Ga4 Ga 0.83153 0.01816 0.44576 1.00000
  Ga5 Ga 0.83367 0.64805 0.55214 1.00000
  Ga6 Ga 0.16633 0.35195 0.44786 1.00000
  Ga7 Ga 0.83439 0.36977 0.33235 1.00000
  Ga8 Ga 0.16561 0.63023 0.66765 1.00000
  Ga9 Ga 0.48254 0.94468 0.66860 1.00000
  Ga10 Ga 0.51746 0.05532 0.33140 1.00000
  Ga11 Ga 0.85156 0.25916 0.66683 1.00000
  Ga12 Ga 0.14844 0.74084 0.33317 1.00000
  Ga13 Ga 0.50260 0.85244 0.94412 1.00000
  Ga14 Ga 0.49740 0.14756 0.05588 1.00000
  Ga15 Ga 0.82978 0.18764 0.94652 1.00000
  Ga16 Ga 0.17022 0.81236 0.05348 1.00000
  Ga17 Ga 0.50157 0.68258 0.44788 1.00000
  Ga18 Ga 0.49843 0.31742 0.55212 1.00000
  Ga19 Ga 0.83475 0.90051 0.17962 1.00000
  Ga20 Ga 0.16525 0.09949 0.82038 1.00000
  Ga21 Ga 0.36915 0.69087 0.81950 1.00000
  Ga22 Ga 0.63085 0.30913 0.18050 1.00000
  Ga23 Ga 0.95895 0.89458 0.81995 1.00000
  Ga24 Ga 0.04105 0.10542 0.18005 1.00000
  Ir1 Ir 0.51715 0.60191 0.64459 1.00000
  Ir2 Ir 0.48285 0.39809 0.35541 1.00000
  Ir3 Ir 0.82939 0.82945 0.00008 1.00000
  Ir4 Ir 0.17061 0.17055 0.99992 1.00000
  Ir5 Ir 0.83286 0.69780 0.35563 1.00000
  Ir6 Ir 0.16714 0.30220 0.64437 1.00000
  Ir7 Ir 0.81692 0.95227 0.64305 1.00000
  Ir8 Ir 0.18308 0.04773 0.35695 1.00000
  Ir9 Ir 0.50000 0.50000 0.00000 1.00000
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