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CaNp3(NbN2)4

Alexandria ALEX

Alex-ID: agm058507414 · Space group: R-3m (#166)

Basic Information

Formula
CaNp3(NbN2)4
Alex-ID
agm058507414
Elements
4
Sites
16
Space group
R-3m (#166)
Crystal system
trigonal
Volume
197.77
ų
Cell a
6.5328
Å
Cell b
6.5328
Å
Cell c
6.5328
Å
α angle
60.14
°
β angle
60.14
°
γ angle
60.14
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaNp3(NbN2)4
Ca
1.00 · 6.3%
Np
3.00 · 18.8%
Nb
4.00 · 25.0%
N
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0041
eV/atom
Formation energy
-1.3250
eV/atom
Corrected total energy
-165.9225
eV
Raw total energy
-165.9225
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
19.1682
Total magnetisation
7.5558
μB

Additional Information

Prototype ID

AB3C4D8_20_spg12

Decomposition

CaNp2(NbN2)3 NpNbN2

Computed at

2024-10-15 06:17:54.876496

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: agm058507414).

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 agm058507414
data_agm058507414
_cell_length_a     6.53282
_cell_length_b     6.53282
_cell_length_c     6.53282
_cell_angle_alpha  60.14025
_cell_angle_beta   60.14025
_cell_angle_gamma  60.14025
_cell_volume       197.77233
_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
  Ca1 Ca 0.00000 0.00000 0.00000 1.00000
  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
  Nb1 Nb 0.50000 0.50000 0.50000 1.00000
  Nb2 Nb 0.50000 0.00000 0.00000 1.00000
  Nb3 Nb 0.00000 0.50000 0.00000 1.00000
  Nb4 Nb 0.00000 0.00000 0.50000 1.00000
  N1 N 0.25684 0.25684 0.75399 1.00000
  N2 N 0.25684 0.75399 0.25684 1.00000
  N3 N 0.24398 0.24398 0.24398 1.00000
  N4 N 0.75399 0.25684 0.25684 1.00000
  N5 N 0.24601 0.74316 0.74316 1.00000
  N6 N 0.75602 0.75602 0.75602 1.00000
  N7 N 0.74316 0.24601 0.74316 1.00000
  N8 N 0.74316 0.74316 0.24601 1.00000
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