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Np2NbN3

Alexandria ALEX

Alex-ID: agm033429159 · Space group: Fddd (#70)

Basic Information

Formula
Np2NbN3
Alex-ID
agm033429159
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
313.34
ų
Cell a
5.7656
Å
Cell b
5.7666
Å
Cell c
10.5417
Å
α angle
100.48
°
β angle
100.48
°
γ angle
109.59
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np2NbN3
Np
8.00 · 33.3%
Nb
4.00 · 16.7%
N
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0005
eV/atom
Formation energy
-1.3293
eV/atom
Corrected total energy
-271.1367
eV
Raw total energy
-271.1367
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0033
eV
DOS at Fermi level
35.2901
Total magnetisation
23.4413
μB

Additional Information

Prototype ID

AB2C3_2914_spg15

Decomposition

Np2NbN3

Computed at

2025-04-15 08:21:59

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: agm033429159).

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 agm033429159
data_agm033429159
_cell_length_a     5.76564
_cell_length_b     5.76658
_cell_length_c     10.54173
_cell_angle_alpha  100.47752
_cell_angle_beta   100.47810
_cell_angle_gamma  109.59274
_cell_volume       313.33812
_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 0.37477 0.62463 0.74929 1.00000
  Np2 Np 0.45842 0.20834 0.91682 1.00000
  Np3 Np 0.54158 0.79166 0.08318 1.00000
  Np4 Np 0.62523 0.37537 0.25071 1.00000
  Np5 Np 0.12464 0.87477 0.24929 1.00000
  Np6 Np 0.70837 0.95846 0.41686 1.00000
  Np7 Np 0.29163 0.04154 0.58314 1.00000
  Np8 Np 0.87536 0.12523 0.75071 1.00000
  Nb1 Nb 0.95816 0.70795 0.91606 1.00000
  Nb2 Nb 0.04184 0.29205 0.08394 1.00000
  Nb3 Nb 0.20797 0.45815 0.41605 1.00000
  Nb4 Nb 0.79203 0.54185 0.58395 1.00000
  N1 N 0.19512 0.45982 0.92166 1.00000
  N2 N 0.72664 0.96167 0.92165 1.00000
  N3 N 0.80488 0.54018 0.07834 1.00000
  N4 N 0.27336 0.03833 0.07835 1.00000
  N5 N 0.35898 0.60905 0.24996 1.00000
  N6 N 0.89091 0.14104 0.24999 1.00000
  N7 N 0.46167 0.22671 0.42162 1.00000
  N8 N 0.95979 0.69500 0.42162 1.00000
  N9 N 0.53833 0.77329 0.57838 1.00000
  N10 N 0.04021 0.30500 0.57838 1.00000
  N11 N 0.64102 0.39095 0.75004 1.00000
  N12 N 0.10909 0.85896 0.75001 1.00000
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