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Np6UN12

Alexandria ALEX

Alex-ID: agm006124682 · Space group: R-3 (#148)

Basic Information

Formula
Np6UN12
Alex-ID
agm006124682
Elements
3
Sites
19
Space group
R-3 (#148)
Crystal system
trigonal
Volume
257.92
ų
Cell a
6.4702
Å
Cell b
6.4702
Å
Cell c
6.4702
Å
α angle
99.63
°
β angle
99.63
°
γ angle
99.63
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np6UN12
Np
6.00 · 31.6%
U
1.00 · 5.3%
N
12.00 · 63.2%

Energy & Stability

Energy above hull
0.0027
eV/atom
Formation energy
-1.4013
eV/atom
Corrected total energy
-210.9878
eV
Raw total energy
-210.9878
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
32.8326
Total magnetisation
12.0001
μB

Additional Information

Prototype ID

AB6C12_2_spg148

Decomposition

Np16N25 Np7N12 U4N7

Computed at

2023-08-26 03:08:10.097189

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: agm006124682).

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 agm006124682
data_agm006124682
_cell_length_a     6.47024
_cell_length_b     6.47024
_cell_length_c     6.47024
_cell_angle_alpha  99.63193
_cell_angle_beta   99.63193
_cell_angle_gamma  99.63193
_cell_volume       257.91734
_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 0.13677 0.29706 0.59864 1.00000
  Np2 Np 0.70294 0.40136 0.86323 1.00000
  Np3 Np 0.40136 0.86323 0.70294 1.00000
  Np4 Np 0.86323 0.70294 0.40136 1.00000
  Np5 Np 0.29706 0.59864 0.13677 1.00000
  Np6 Np 0.59864 0.13677 0.29706 1.00000
  U1 U 0.00000 0.00000 0.00000 1.00000
  N1 N 0.43397 0.17574 0.59203 1.00000
  N2 N 0.17574 0.59203 0.43397 1.00000
  N3 N 0.59203 0.43397 0.17574 1.00000
  N4 N 0.56603 0.82426 0.40797 1.00000
  N5 N 0.82426 0.40797 0.56603 1.00000
  N6 N 0.40797 0.56603 0.82426 1.00000
  N7 N 0.06775 0.93559 0.68157 1.00000
  N8 N 0.31843 0.93225 0.06441 1.00000
  N9 N 0.06441 0.31843 0.93225 1.00000
  N10 N 0.93225 0.06441 0.31843 1.00000
  N11 N 0.68157 0.06775 0.93559 1.00000
  N12 N 0.93559 0.68157 0.06775 1.00000
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