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NpUSe2S

Alexandria ALEX

Alex-ID: agm005010777 · Space group: Imm2 (#44)

Basic Information

Formula
NpUSe2S
Alex-ID
agm005010777
Elements
4
Sites
5
Space group
Imm2 (#44)
Crystal system
orthorhombic
Volume
148.32
ų
Cell a
3.7420
Å
Cell b
5.0545
Å
Cell c
8.4485
Å
α angle
107.41
°
β angle
102.79
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpUSe2S
Np
1.00 · 20.0%
U
1.00 · 20.0%
Se
2.00 · 40.0%
S
1.00 · 20.0%

Energy & Stability

Energy above hull
0.4640
eV/atom
Formation energy
-0.9609
eV/atom
Corrected total energy
-40.1423
eV
Raw total energy
-39.4788
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0057
eV
DOS at Fermi level
16.2450
Total magnetisation
-1.1487
μB

Additional Information

Prototype ID

ABCD2_566_spg8

Decomposition

NpUSe3 Np2Se3 U2S3

Computed at

2022-08-05 03:00:36.805516

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: agm005010777).

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 agm005010777
data_agm005010777
_cell_length_a     3.74201
_cell_length_b     5.05453
_cell_length_c     8.44852
_cell_angle_alpha  107.40577
_cell_angle_beta   102.79475
_cell_angle_gamma  90.00000
_cell_volume       148.31562
_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 0.64462 0.14462 0.28925 1.00000
  U1 U 0.45504 0.45504 0.91007 1.00000
  Se1 Se 0.27760 0.27760 0.55521 1.00000
  Se2 Se 0.98381 0.98381 0.96763 1.00000
  S1 S 0.62199 0.62199 0.24399 1.00000
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