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NpUAsS2

Alexandria ALEX

Alex-ID: agm005015478 · Space group: I4mm (#107)

Basic Information

Formula
NpUAsS2
Alex-ID
agm005015478
Elements
4
Sites
5
Space group
I4mm (#107)
Crystal system
tetragonal
Volume
101.69
ų
Cell a
4.1090
Å
Cell b
4.1090
Å
Cell c
6.6873
Å
α angle
107.89
°
β angle
107.89
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpUAsS2
Np
1.00 · 20.0%
U
1.00 · 20.0%
As
1.00 · 20.0%
S
2.00 · 40.0%

Energy & Stability

Energy above hull
0.3939
eV/atom
Formation energy
-1.1060
eV/atom
Corrected total energy
-42.6632
eV
Raw total energy
-41.3363
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0007
eV
DOS at Fermi level
8.8623
Total magnetisation
1.8271
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

UAsS Np2S3 U3As4 U2S3

Computed at

2022-07-05 04:07:35.615954

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: agm005015478).

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 agm005015478
data_agm005015478
_cell_length_a     4.10900
_cell_length_b     4.10900
_cell_length_c     6.68730
_cell_angle_alpha  107.89204
_cell_angle_beta   107.89204
_cell_angle_gamma  90.00000
_cell_volume       101.69392
_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 0.89880 0.89880 0.79760 1.00000
  U1 U 0.10178 0.10178 0.20357 1.00000
  As1 As 0.49985 0.49985 0.99970 1.00000
  S1 S 0.74978 0.24978 0.49957 1.00000
  S2 S 0.24978 0.74978 0.49957 1.00000
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