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NpPO4F

Alexandria ALEX

Alex-ID: agm003237697 · Space group: Pnma (#62)

Basic Information

Formula
NpPO4F
Alex-ID
agm003237697
Elements
4
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
388.78
ų
Cell a
6.4018
Å
Cell b
6.9914
Å
Cell c
8.6864
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpPO4F
Np
4.00 · 14.3%
P
4.00 · 14.3%
O
16.00 · 57.1%
F
4.00 · 14.3%

Energy & Stability

Energy above hull
0.0045
eV/atom
Formation energy
-3.2065
eV/atom
Corrected total energy
-248.1985
eV
Raw total energy
-236.9618
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0018
eV
DOS at Fermi level
32.7119
Total magnetisation
12.0000
μB

Additional Information

Prototype ID

ABCD4_205_spg62

Decomposition

NpPO4F

Computed at

2021-12-14 16:23:23.487016

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: agm003237697).

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 agm003237697
data_agm003237697
_cell_length_a     6.40179
_cell_length_b     6.99136
_cell_length_c     8.68645
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       388.78128
_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 0.65180 0.25000 0.94256 1.00000
  Np2 Np 0.15180 0.75000 0.55744 1.00000
  Np3 Np 0.34820 0.75000 0.05744 1.00000
  Np4 Np 0.84820 0.25000 0.44256 1.00000
  P1 P 0.18023 0.25000 0.09973 1.00000
  P2 P 0.68023 0.75000 0.40027 1.00000
  P3 P 0.81977 0.75000 0.90027 1.00000
  P4 P 0.31977 0.25000 0.59973 1.00000
  O1 O 0.10750 0.25000 0.26718 1.00000
  O2 O 0.60750 0.75000 0.23282 1.00000
  O3 O 0.89250 0.75000 0.73282 1.00000
  O4 O 0.39250 0.25000 0.76718 1.00000
  O5 O 0.67249 0.57573 0.93392 1.00000
  O6 O 0.17249 0.42427 0.56608 1.00000
  O7 O 0.32751 0.07573 0.06608 1.00000
  O8 O 0.82751 0.92427 0.43392 1.00000
  O9 O 0.32751 0.42427 0.06608 1.00000
  O10 O 0.82751 0.57573 0.43392 1.00000
  O11 O 0.67249 0.92427 0.93392 1.00000
  O12 O 0.17249 0.07573 0.56608 1.00000
  O13 O 0.50587 0.25000 0.48823 1.00000
  O14 O 0.00587 0.75000 0.01177 1.00000
  O15 O 0.49413 0.75000 0.51177 1.00000
  O16 O 0.99413 0.25000 0.98823 1.00000
  F1 F 0.69248 0.25000 0.20638 1.00000
  F2 F 0.19248 0.75000 0.29362 1.00000
  F3 F 0.30752 0.75000 0.79362 1.00000
  F4 F 0.80752 0.25000 0.70638 1.00000
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