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NpU2N3

Alexandria ALEX

Alex-ID: agm033654842 · Space group: Fddd (#70)

Basic Information

Formula
NpU2N3
Alex-ID
agm033654842
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
345.39
ų
Cell a
11.4484
Å
Cell b
10.9152
Å
Cell c
5.9495
Å
α angle
79.59
°
β angle
69.67
°
γ angle
30.74
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpU2N3
Np
4.00 · 16.7%
U
8.00 · 33.3%
N
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0031
eV/atom
Formation energy
-1.4431
eV/atom
Corrected total energy
-272.1329
eV
Raw total energy
-272.1329
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0008
eV
DOS at Fermi level
42.5163
Total magnetisation
21.5461
μB

Additional Information

Prototype ID

AB2C3_2914_spg15

Decomposition

Np3U5N8 NpU4N5

Computed at

2024-10-24 00:08:06.961120

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: agm033654842).

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 agm033654842
data_agm033654842
_cell_length_a     11.44845
_cell_length_b     10.91516
_cell_length_c     5.94948
_cell_angle_alpha  79.58908
_cell_angle_beta   69.67244
_cell_angle_gamma  30.73848
_cell_volume       345.38588
_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 0.91684 0.91684 0.08316 1.00000
  Np2 Np 0.33316 0.33316 0.16684 1.00000
  Np3 Np 0.16684 0.16684 0.33316 1.00000
  Np4 Np 0.08316 0.08316 0.91684 1.00000
  U1 U 0.00068 0.00068 0.49932 1.00000
  U2 U 0.41600 0.41600 0.58400 1.00000
  U3 U 0.83400 0.83400 0.66600 1.00000
  U4 U 0.24932 0.24932 0.75068 1.00000
  U5 U 0.75068 0.75068 0.24932 1.00000
  U6 U 0.66600 0.66600 0.83400 1.00000
  U7 U 0.58400 0.58400 0.41600 1.00000
  U8 U 0.49932 0.49932 0.00068 1.00000
  N1 N 0.16734 0.66787 0.33713 1.00000
  N2 N 0.66787 0.16734 0.82766 1.00000
  N3 N 0.08266 0.58213 0.91287 1.00000
  N4 N 0.58213 0.08266 0.42234 1.00000
  N5 N 0.99450 0.50550 0.50550 1.00000
  N6 N 0.50550 0.99450 0.99450 1.00000
  N7 N 0.42234 0.91287 0.58213 1.00000
  N8 N 0.91287 0.42234 0.08266 1.00000
  N9 N 0.82766 0.33713 0.66787 1.00000
  N10 N 0.33713 0.82766 0.16734 1.00000
  N11 N 0.25550 0.74450 0.74450 1.00000
  N12 N 0.74450 0.25550 0.25550 1.00000
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