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HEAS Data Platform · Materials Science Database

NpWI4O15

Alexandria ALEX

Alex-ID: agm009036038 · Space group: P2_1 (#4)

Basic Information

Formula
NpWI4O15
Alex-ID
agm009036038
Elements
4
Sites
42
Space group
P2_1 (#4)
Crystal system
monoclinic
Volume
628.22
ų
Cell a
6.9114
Å
Cell b
14.1762
Å
Cell c
7.0544
Å
α angle
90.00
°
β angle
114.64
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpWI4O15
Np
2.00 · 4.8%
W
2.00 · 4.8%
I
8.00 · 19.0%
O
30.00 · 71.4%

Energy & Stability

Energy above hull
0.0801
eV/atom
Formation energy
-1.4030
eV/atom
Corrected total energy
-271.8625
eV
Raw total energy
-242.0918
eV

Electronic Structure

Indirect band gap
0.2729
eV
Direct band gap
0.2780
eV
DOS at Fermi level
8.1602
Total magnetisation
6.0000
μB

Additional Information

Prototype ID

ABC4D15_0_spg4

Decomposition

NpO3 WO3 I I2O5

Computed at

2024-12-25 08:34:00

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: agm009036038).

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 agm009036038
data_agm009036038
_cell_length_a     6.91137
_cell_length_b     14.17615
_cell_length_c     7.05441
_cell_angle_alpha  90.00000
_cell_angle_beta   114.64269
_cell_angle_gamma  90.00000
_cell_volume       628.21984
_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 0.40822 0.93949 0.56613 1.00000
  Np2 Np 0.59178 0.43949 0.43387 1.00000
  W1 W 0.91092 0.77010 0.21606 1.00000
  W2 W 0.08908 0.27010 0.78394 1.00000
  I1 I 0.98710 0.52925 0.24205 1.00000
  I2 I 0.01290 0.02925 0.75795 1.00000
  I3 I 0.75241 0.69228 0.69614 1.00000
  I4 I 0.24759 0.19228 0.30386 1.00000
  I5 I 0.35358 0.81114 0.05713 1.00000
  I6 I 0.64642 0.31114 0.94287 1.00000
  I7 I 0.72263 0.04258 0.13057 1.00000
  I8 I 0.27737 0.54258 0.86943 1.00000
  O1 O 0.11049 0.64857 0.30577 1.00000
  O2 O 0.88951 0.14857 0.69423 1.00000
  O3 O 0.23251 0.46073 0.36532 1.00000
  O4 O 0.76749 0.96073 0.63468 1.00000
  O5 O 0.91311 0.52299 0.46689 1.00000
  O6 O 0.08689 0.02299 0.53311 1.00000
  O7 O 0.74485 0.67764 0.96193 1.00000
  O8 O 0.25515 0.17764 0.03807 1.00000
  O9 O 0.58271 0.59003 0.58184 1.00000
  O10 O 0.41729 0.09003 0.41816 1.00000
  O11 O 0.55262 0.78641 0.61026 1.00000
  O12 O 0.44738 0.28641 0.38974 1.00000
  O13 O 0.06751 0.79169 0.01411 1.00000
  O14 O 0.93249 0.29169 0.98589 1.00000
  O15 O 0.26443 0.87688 0.81291 1.00000
  O16 O 0.73557 0.37688 0.18709 1.00000
  O17 O 0.39588 0.91354 0.23658 1.00000
  O18 O 0.60412 0.41354 0.76342 1.00000
  O19 O 0.96482 0.03408 0.08492 1.00000
  O20 O 0.03518 0.53408 0.91508 1.00000
  O21 O 0.72868 0.16981 0.17126 1.00000
  O22 O 0.27132 0.66981 0.82874 1.00000
  O23 O 0.51912 0.03711 0.85560 1.00000
  O24 O 0.48088 0.53711 0.14440 1.00000
  O25 O 0.70652 0.86064 0.07421 1.00000
  O26 O 0.29348 0.36064 0.92579 1.00000
  O27 O 0.12176 0.84174 0.40343 1.00000
  O28 O 0.87824 0.34174 0.59657 1.00000
  O29 O 0.76767 0.72448 0.36163 1.00000
  O30 O 0.23233 0.22448 0.63837 1.00000
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