Navigation

HEAS Data Platform · Materials Science Database

K3NpBr6

Alexandria ALEX

Alex-ID: agm071489340 · Space group: P4_332 (#212)

Basic Information

Formula
K3NpBr6
Alex-ID
agm071489340
Elements
3
Sites
40
Space group
P4_332 (#212)
Crystal system
cubic
Volume
2,847.67
ų
Cell a
14.1741
Å
Cell b
14.1741
Å
Cell c
14.1741
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3NpBr6
K
12.00 · 30.0%
Np
4.00 · 10.0%
Br
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0868
eV/atom
Formation energy
-1.5134
eV/atom
Corrected total energy
-165.6736
eV
Raw total energy
-165.6736
eV

Electronic Structure

Indirect band gap
0.2178
eV
Direct band gap
0.2181
eV
DOS at Fermi level
19.9775
Total magnetisation
16.0000
μB

Additional Information

Prototype ID

AB3C6_2657_spg212

Decomposition

K3NpBr6

Computed at

2024-09-10 04:51:02.477980

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: agm071489340).

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 agm071489340
data_agm071489340
_cell_length_a     14.17413
_cell_length_b     14.17413
_cell_length_c     14.17413
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       2847.66979
_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
  K1 K 0.12500 0.68583 0.56417 1.00000
  K2 K 0.37500 0.31417 0.06417 1.00000
  K3 K 0.87500 0.18583 0.93583 1.00000
  K4 K 0.62500 0.81417 0.43583 1.00000
  K5 K 0.56417 0.12500 0.68583 1.00000
  K6 K 0.06417 0.37500 0.31417 1.00000
  K7 K 0.93583 0.87500 0.18583 1.00000
  K8 K 0.43583 0.62500 0.81417 1.00000
  K9 K 0.68583 0.56417 0.12500 1.00000
  K10 K 0.31417 0.06417 0.37500 1.00000
  K11 K 0.18583 0.93583 0.87500 1.00000
  K12 K 0.81417 0.43583 0.62500 1.00000
  Np1 Np 0.12500 0.12500 0.12500 1.00000
  Np2 Np 0.37500 0.87500 0.62500 1.00000
  Np3 Np 0.87500 0.62500 0.37500 1.00000
  Np4 Np 0.62500 0.37500 0.87500 1.00000
  Br1 Br 0.35073 0.67103 0.61201 1.00000
  Br2 Br 0.14927 0.32897 0.11201 1.00000
  Br3 Br 0.64927 0.17103 0.88799 1.00000
  Br4 Br 0.85073 0.82897 0.38799 1.00000
  Br5 Br 0.61201 0.35073 0.67103 1.00000
  Br6 Br 0.11201 0.14927 0.32897 1.00000
  Br7 Br 0.88799 0.64927 0.17103 1.00000
  Br8 Br 0.38799 0.85073 0.82897 1.00000
  Br9 Br 0.67103 0.61201 0.35073 1.00000
  Br10 Br 0.32897 0.11201 0.14927 1.00000
  Br11 Br 0.17103 0.88799 0.64927 1.00000
  Br12 Br 0.82897 0.38799 0.85073 1.00000
  Br13 Br 0.92103 0.10073 0.13799 1.00000
  Br14 Br 0.57897 0.89927 0.63799 1.00000
  Br15 Br 0.42103 0.39927 0.86201 1.00000
  Br16 Br 0.07897 0.60073 0.36201 1.00000
  Br17 Br 0.60073 0.36201 0.07897 1.00000
  Br18 Br 0.39927 0.86201 0.42103 1.00000
  Br19 Br 0.89927 0.63799 0.57897 1.00000
  Br20 Br 0.10073 0.13799 0.92103 1.00000
  Br21 Br 0.86201 0.42103 0.39927 1.00000
  Br22 Br 0.36201 0.07897 0.60073 1.00000
  Br23 Br 0.13799 0.92103 0.10073 1.00000
  Br24 Br 0.63799 0.57897 0.89927 1.00000
Get direct link