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NpF6

Alexandria ALEX

Alex-ID: agm003237698 · Space group: Pnma (#62)

Basic Information

Formula
NpF6
Alex-ID
agm003237698
Elements
2
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
504.12
ų
Cell a
5.3671
Å
Cell b
9.2256
Å
Cell c
10.1811
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpF6
Np
4.00 · 14.3%
F
24.00 · 85.7%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-3.4774
eV/atom
Corrected total energy
-183.2244
eV
Raw total energy
-183.2244
eV

Electronic Structure

Indirect band gap
0.9156
eV
Direct band gap
0.9156
eV
DOS at Fermi level
-0.6492
Total magnetisation
4.0000
μB

Additional Information

Prototype ID

AB6_1_spg62

Decomposition

NpF6

Computed at

2021-12-12 23:01:57.596932

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: agm003237698).

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 agm003237698
data_agm003237698
_cell_length_a     5.36712
_cell_length_b     9.22560
_cell_length_c     10.18114
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       504.11826
_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 0.92031 0.75000 0.62963 1.00000
  Np2 Np 0.07969 0.25000 0.37037 1.00000
  Np3 Np 0.42031 0.25000 0.87037 1.00000
  Np4 Np 0.57969 0.75000 0.12963 1.00000
  F1 F 0.22434 0.75000 0.51458 1.00000
  F2 F 0.77566 0.25000 0.48542 1.00000
  F3 F 0.72434 0.25000 0.98542 1.00000
  F4 F 0.27566 0.75000 0.01458 1.00000
  F5 F 0.61607 0.75000 0.74510 1.00000
  F6 F 0.38393 0.25000 0.25490 1.00000
  F7 F 0.11607 0.25000 0.75490 1.00000
  F8 F 0.88393 0.75000 0.24510 1.00000
  F9 F 0.76558 0.59647 0.51604 1.00000
  F10 F 0.23442 0.40353 0.48396 1.00000
  F11 F 0.26558 0.40353 0.98396 1.00000
  F12 F 0.23442 0.09647 0.48396 1.00000
  F13 F 0.73442 0.59647 0.01604 1.00000
  F14 F 0.76558 0.90353 0.51604 1.00000
  F15 F 0.73442 0.90353 0.01604 1.00000
  F16 F 0.26558 0.09647 0.98396 1.00000
  F17 F 0.07433 0.59624 0.74298 1.00000
  F18 F 0.92567 0.40376 0.25702 1.00000
  F19 F 0.57433 0.40376 0.75702 1.00000
  F20 F 0.92567 0.09624 0.25702 1.00000
  F21 F 0.42567 0.59624 0.24298 1.00000
  F22 F 0.07433 0.90376 0.74298 1.00000
  F23 F 0.42567 0.90376 0.24298 1.00000
  F24 F 0.57433 0.09624 0.75702 1.00000
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