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Na2NpTe3

Alexandria ALEX

Alex-ID: agm040356828 · Space group: Fddd (#70)

Basic Information

Formula
Na2NpTe3
Alex-ID
agm040356828
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
780.02
ų
Cell a
14.9274
Å
Cell b
14.2313
Å
Cell c
7.8277
Å
α angle
79.40
°
β angle
69.57
°
γ angle
31.03
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2NpTe3
Na
8.00 · 33.3%
Np
4.00 · 16.7%
Te
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0012
eV/atom
Formation energy
-0.8177
eV/atom
Corrected total energy
-119.6401
eV
Raw total energy
-119.6401
eV

Electronic Structure

Indirect band gap
0.0227
eV
Direct band gap
0.0311
eV
DOS at Fermi level
32.3703
Total magnetisation
11.9999
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

Na2NpTe3

Computed at

2024-11-02 02:48:44.936216

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: agm040356828).

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 agm040356828
data_agm040356828
_cell_length_a     14.92737
_cell_length_b     14.23126
_cell_length_c     7.82767
_cell_angle_alpha  79.40229
_cell_angle_beta   69.57089
_cell_angle_gamma  31.02682
_cell_volume       780.02484
_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
  Na1 Na 0.99882 0.99882 0.50118 1.00000
  Na2 Na 0.42005 0.42005 0.57995 1.00000
  Na3 Na 0.82995 0.82995 0.67005 1.00000
  Na4 Na 0.25118 0.25118 0.74882 1.00000
  Na5 Na 0.74882 0.74882 0.25118 1.00000
  Na6 Na 0.67005 0.67005 0.82995 1.00000
  Na7 Na 0.57995 0.57995 0.42005 1.00000
  Na8 Na 0.50118 0.50118 0.99882 1.00000
  Np1 Np 0.91622 0.91622 0.08378 1.00000
  Np2 Np 0.33378 0.33378 0.16622 1.00000
  Np3 Np 0.16622 0.16622 0.33378 1.00000
  Np4 Np 0.08378 0.08378 0.91622 1.00000
  Te1 Te 0.15768 0.66619 0.32067 1.00000
  Te2 Te 0.66619 0.15768 0.85547 1.00000
  Te3 Te 0.09232 0.58381 0.92933 1.00000
  Te4 Te 0.58381 0.09232 0.39453 1.00000
  Te5 Te 0.02129 0.47871 0.47871 1.00000
  Te6 Te 0.47871 0.02129 0.02129 1.00000
  Te7 Te 0.39453 0.92933 0.58381 1.00000
  Te8 Te 0.92933 0.39453 0.09232 1.00000
  Te9 Te 0.85547 0.32067 0.66619 1.00000
  Te10 Te 0.32067 0.85547 0.15768 1.00000
  Te11 Te 0.22871 0.77129 0.77129 1.00000
  Te12 Te 0.77129 0.22871 0.22871 1.00000
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