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Np3Si2

Alexandria ALEX

Alex-ID: agm005283675 · Space group: P4/mbm (#127)

Basic Information

Formula
Np3Si2
Alex-ID
agm005283675
Elements
2
Sites
10
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
213.37
ų
Cell a
7.2938
Å
Cell b
7.2938
Å
Cell c
4.0108
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np3Si2
Np
6.00 · 60.0%
Si
4.00 · 40.0%

Energy & Stability

Energy above hull
0.2656
eV/atom
Formation energy
-0.0214
eV/atom
Corrected total energy
-99.5501
eV
Raw total energy
-99.5501
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0007
eV
DOS at Fermi level
28.3995
Total magnetisation
23.9764
μB

Additional Information

Prototype ID

A2B3_126_spg127

Decomposition

Np2Si NpSi

Computed at

2023-04-21 09:53:19.940801

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: agm005283675).

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 agm005283675
data_agm005283675
_cell_length_a     7.29380
_cell_length_b     7.29380
_cell_length_c     4.01075
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       213.37010
_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 0.50000 0.50000 0.00000 1.00000
  Np2 Np 0.00000 0.00000 0.00000 1.00000
  Np3 Np 0.18040 0.68040 0.50000 1.00000
  Np4 Np 0.81960 0.31960 0.50000 1.00000
  Np5 Np 0.31960 0.18040 0.50000 1.00000
  Np6 Np 0.68040 0.81960 0.50000 1.00000
  Si1 Si 0.61544 0.11544 0.00000 1.00000
  Si2 Si 0.38456 0.88456 0.00000 1.00000
  Si3 Si 0.88456 0.61544 0.00000 1.00000
  Si4 Si 0.11544 0.38456 0.00000 1.00000
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