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Np3Ta4CrN8

Alexandria ALEX

Alex-ID: agm045010425 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Np3Ta4CrN8
Alex-ID
agm045010425
Elements
4
Sites
16
Space group
R-3m (#166)
Crystal system
trigonal
Volume
189.05
ų
Cell a
6.4700
Å
Cell b
6.4700
Å
Cell c
6.4700
Å
α angle
59.44
°
β angle
59.44
°
γ angle
59.44
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np3Ta4CrN8
Np
3.00 · 18.8%
Ta
4.00 · 25.0%
Cr
1.00 · 6.3%
N
8.00 · 50.0%

Energy & Stability

Energy above hull
0.1017
eV/atom
Formation energy
-1.1989
eV/atom
Corrected total energy
-178.6577
eV
Raw total energy
-178.6577
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0007
eV
DOS at Fermi level
17.6842
Total magnetisation
10.5261
μB

Additional Information

Prototype ID

AB3C4D8_20_spg12

Decomposition

Np5TaN6 Np2CrN3 TaN

Computed at

2024-10-15 13:09:43.123256

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: agm045010425).

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 agm045010425
data_agm045010425
_cell_length_a     6.47001
_cell_length_b     6.47001
_cell_length_c     6.47001
_cell_angle_alpha  59.43517
_cell_angle_beta   59.43517
_cell_angle_gamma  59.43517
_cell_volume       189.05268
_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 0.00000 0.50000 1.00000
  Np2 Np 0.50000 0.50000 0.00000 1.00000
  Np3 Np 0.00000 0.50000 0.50000 1.00000
  Ta1 Ta 0.50000 0.50000 0.50000 1.00000
  Ta2 Ta 0.50000 0.00000 0.00000 1.00000
  Ta3 Ta 0.00000 0.50000 0.00000 1.00000
  Ta4 Ta 0.00000 0.00000 0.50000 1.00000
  Cr1 Cr 0.00000 0.00000 0.00000 1.00000
  N1 N 0.25024 0.25024 0.76628 1.00000
  N2 N 0.25024 0.76628 0.25024 1.00000
  N3 N 0.24061 0.24061 0.24061 1.00000
  N4 N 0.76628 0.25024 0.25024 1.00000
  N5 N 0.23372 0.74976 0.74976 1.00000
  N6 N 0.75939 0.75939 0.75939 1.00000
  N7 N 0.74976 0.23372 0.74976 1.00000
  N8 N 0.74976 0.74976 0.23372 1.00000
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