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NpUF7

Alexandria ALEX

Alex-ID: agm024110131 · Space group: P2_1/c (#14)

Basic Information

Formula
NpUF7
Alex-ID
agm024110131
Elements
3
Sites
36
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
674.72
ų
Cell a
6.1620
Å
Cell b
9.6336
Å
Cell c
11.9304
Å
α angle
107.69
°
β angle
90.01
°
γ angle
89.98
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpUF7
Np
4.00 · 11.1%
U
4.00 · 11.1%
F
28.00 · 77.8%

Energy & Stability

Energy above hull
0.0129
eV/atom
Formation energy
-3.8963
eV/atom
Corrected total energy
-276.9587
eV
Raw total energy
-276.9587
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0108
eV
DOS at Fermi level
43.2988
Total magnetisation
24.0000
μB

Additional Information

Prototype ID

ABC7_7_spg14

Decomposition

NpU3F15 NpF3

Computed at

2024-12-10 07:56:19.071028

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: agm024110131).

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 agm024110131
data_agm024110131
_cell_length_a     6.16204
_cell_length_b     9.63365
_cell_length_c     11.93044
_cell_angle_alpha  107.69326
_cell_angle_beta   90.00669
_cell_angle_gamma  89.98315
_cell_volume       674.72470
_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 0.74563 0.91824 0.73336 1.00000
  Np2 Np 0.24587 0.58194 0.76680 1.00000
  Np3 Np 0.25437 0.08176 0.26664 1.00000
  Np4 Np 0.75413 0.41806 0.23320 1.00000
  U1 U 0.74337 0.27007 0.54526 1.00000
  U2 U 0.24297 0.22991 0.95481 1.00000
  U3 U 0.25663 0.72993 0.45474 1.00000
  U4 U 0.75703 0.77009 0.04519 1.00000
  F1 F 0.48065 0.36472 0.07968 1.00000
  F2 F 0.98207 0.13583 0.42072 1.00000
  F3 F 0.51935 0.63528 0.92032 1.00000
  F4 F 0.01793 0.86417 0.57928 1.00000
  F5 F 0.45140 0.16047 0.44826 1.00000
  F6 F 0.94972 0.33845 0.05123 1.00000
  F7 F 0.54860 0.83953 0.55174 1.00000
  F8 F 0.05028 0.66155 0.94877 1.00000
  F9 F 0.75951 0.61635 0.14808 1.00000
  F10 F 0.25862 0.88329 0.35156 1.00000
  F11 F 0.24049 0.38365 0.85192 1.00000
  F12 F 0.74138 0.11671 0.64844 1.00000
  F13 F 0.75750 0.92169 0.93893 1.00000
  F14 F 0.25778 0.57861 0.56125 1.00000
  F15 F 0.24250 0.07831 0.06107 1.00000
  F16 F 0.74222 0.42139 0.43875 1.00000
  F17 F 0.99078 0.60389 0.34452 1.00000
  F18 F 0.49067 0.89563 0.15540 1.00000
  F19 F 0.00922 0.39611 0.65548 1.00000
  F20 F 0.50933 0.10437 0.84460 1.00000
  F21 F 0.02931 0.07663 0.82432 1.00000
  F22 F 0.52868 0.42279 0.67555 1.00000
  F23 F 0.97069 0.92337 0.17568 1.00000
  F24 F 0.47132 0.57721 0.32445 1.00000
  F25 F 0.44810 0.77912 0.75446 1.00000
  F26 F 0.94815 0.72109 0.74587 1.00000
  F27 F 0.55190 0.22088 0.24554 1.00000
  F28 F 0.05185 0.27891 0.25413 1.00000
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