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HfNp3U2N6

Alexandria ALEX

Alex-ID: agm044492370 · Space group: C2/m (#12)

Basic Information

Formula
HfNp3U2N6
Alex-ID
agm044492370
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
166.99
ų
Cell a
7.5862
Å
Cell b
7.5862
Å
Cell c
6.8391
Å
α angle
77.57
°
β angle
77.57
°
γ angle
25.79
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HfNp3U2N6
Hf
1.00 · 8.3%
Np
3.00 · 25.0%
U
2.00 · 16.7%
N
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0066
eV/atom
Formation energy
-1.4995
eV/atom
Corrected total energy
-137.0609
eV
Raw total energy
-137.0609
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0044
eV
DOS at Fermi level
18.7578
Total magnetisation
11.5320
μB

Additional Information

Prototype ID

AB2C3D6_251_spg12

Decomposition

HfNp4U3N8 HfNp2UN4

Computed at

2024-10-29 19:30:28.907788

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: agm044492370).

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 agm044492370
data_agm044492370
_cell_length_a     7.58617
_cell_length_b     7.58617
_cell_length_c     6.83912
_cell_angle_alpha  77.57194
_cell_angle_beta   77.57194
_cell_angle_gamma  25.78511
_cell_volume       166.98620
_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
  Hf1 Hf 0.50000 0.50000 0.00000 1.00000
  Np1 Np 0.50000 0.50000 0.50000 1.00000
  Np2 Np 0.16708 0.16708 0.16466 1.00000
  Np3 Np 0.83292 0.83292 0.83534 1.00000
  U1 U 0.16300 0.16300 0.66950 1.00000
  U2 U 0.83700 0.83700 0.33050 1.00000
  N1 N 0.65744 0.65744 0.91648 1.00000
  N2 N 0.32981 0.32981 0.58123 1.00000
  N3 N 0.34256 0.34256 0.08352 1.00000
  N4 N 0.00077 0.00077 0.23052 1.00000
  N5 N 0.99923 0.99923 0.76948 1.00000
  N6 N 0.67019 0.67019 0.41877 1.00000
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