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Np3Sb2As

Alexandria ALEX

Alex-ID: agm033751187 · Space group: Fddd (#70)

Basic Information

Formula
Np3Sb2As
Alex-ID
agm033751187
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
670.79
ų
Cell a
14.3784
Å
Cell b
13.7054
Å
Cell c
7.4045
Å
α angle
79.80
°
β angle
69.74
°
γ angle
30.45
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np3Sb2As
Np
12.00 · 50.0%
Sb
8.00 · 33.3%
As
4.00 · 16.7%

Energy & Stability

Energy above hull
0.1091
eV/atom
Formation energy
-0.3096
eV/atom
Corrected total energy
-214.2955
eV
Raw total energy
-214.2955
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0002
eV
DOS at Fermi level
121.5261
Total magnetisation
16.1977
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

Np2Sb Np4Sb5 NpAs

Computed at

2025-04-13 13:38:07

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: agm033751187).

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 agm033751187
data_agm033751187
_cell_length_a     14.37840
_cell_length_b     13.70544
_cell_length_c     7.40451
_cell_angle_alpha  79.80414
_cell_angle_beta   69.74215
_cell_angle_gamma  30.45371
_cell_volume       670.79306
_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 0.65996 0.16720 0.85495 1.00000
  Np2 Np 0.16720 0.65996 0.31789 1.00000
  Np3 Np 0.59004 0.08280 0.39505 1.00000
  Np4 Np 0.08280 0.59004 0.93211 1.00000
  Np5 Np 0.48267 0.01733 0.01733 1.00000
  Np6 Np 0.01733 0.48267 0.48267 1.00000
  Np7 Np 0.93211 0.39505 0.08280 1.00000
  Np8 Np 0.39505 0.93211 0.59004 1.00000
  Np9 Np 0.31789 0.85495 0.16720 1.00000
  Np10 Np 0.85495 0.31789 0.65996 1.00000
  Np11 Np 0.76733 0.23267 0.23267 1.00000
  Np12 Np 0.23267 0.76733 0.76733 1.00000
  Sb1 Sb 0.99693 0.99693 0.50307 1.00000
  Sb2 Sb 0.41881 0.41881 0.58119 1.00000
  Sb3 Sb 0.83119 0.83119 0.66881 1.00000
  Sb4 Sb 0.25307 0.25307 0.74693 1.00000
  Sb5 Sb 0.74693 0.74693 0.25307 1.00000
  Sb6 Sb 0.66881 0.66881 0.83119 1.00000
  Sb7 Sb 0.58119 0.58119 0.41881 1.00000
  Sb8 Sb 0.50307 0.50307 0.99693 1.00000
  As1 As 0.91717 0.91717 0.08283 1.00000
  As2 As 0.33283 0.33283 0.16717 1.00000
  As3 As 0.16717 0.16717 0.33283 1.00000
  As4 As 0.08283 0.08283 0.91717 1.00000
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