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Np3Si2Ag

Alexandria ALEX

Alex-ID: agm033167910 · Space group: Pnma (#62)

Basic Information

Formula
Np3Si2Ag
Alex-ID
agm033167910
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
446.97
ų
Cell a
9.5721
Å
Cell b
3.8310
Å
Cell c
12.1890
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np3Si2Ag
Np
12.00 · 50.0%
Si
8.00 · 33.3%
Ag
4.00 · 16.7%

Energy & Stability

Energy above hull
0.1336
eV/atom
Formation energy
-0.1056
eV/atom
Corrected total energy
-212.6119
eV
Raw total energy
-212.6119
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0029
eV
DOS at Fermi level
40.7794
Total magnetisation
9.4946
μB

Additional Information

Prototype ID

AB2C3_1919_spg62

Decomposition

Np2Si NpSi Ag

Computed at

2025-04-14 23:36:17

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: agm033167910).

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 agm033167910
data_agm033167910
_cell_length_a     9.57206
_cell_length_b     3.83098
_cell_length_c     12.18896
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00023
_cell_angle_gamma  90.00000
_cell_volume       446.97407
_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 0.55763 0.50000 0.95716 1.00000
  Np2 Np 0.44238 0.00000 0.04289 1.00000
  Np3 Np 0.05763 0.00000 0.54286 1.00000
  Np4 Np 0.94236 0.50000 0.45713 1.00000
  Np5 Np 0.26055 0.50000 0.73370 1.00000
  Np6 Np 0.73943 0.00000 0.26627 1.00000
  Np7 Np 0.76056 0.00000 0.76628 1.00000
  Np8 Np 0.23944 0.50000 0.23373 1.00000
  Np9 Np 0.63867 0.50000 0.68894 1.00000
  Np10 Np 0.36134 0.00000 0.31105 1.00000
  Np11 Np 0.13868 0.00000 0.81106 1.00000
  Np12 Np 0.86132 0.50000 0.18893 1.00000
  Si1 Si 0.26505 0.50000 0.47527 1.00000
  Si2 Si 0.73496 0.00000 0.52473 1.00000
  Si3 Si 0.76504 0.00000 0.02472 1.00000
  Si4 Si 0.23496 0.50000 0.97528 1.00000
  Si5 Si 0.96394 0.50000 0.70108 1.00000
  Si6 Si 0.03605 0.00000 0.29892 1.00000
  Si7 Si 0.46395 0.00000 0.79894 1.00000
  Si8 Si 0.53606 0.50000 0.20107 1.00000
  Ag1 Ag 0.91638 0.50000 0.93492 1.00000
  Ag2 Ag 0.08362 0.00000 0.06509 1.00000
  Ag3 Ag 0.41640 0.00000 0.56507 1.00000
  Ag4 Ag 0.58359 0.50000 0.43491 1.00000
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