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CsK2NpCl6

Alexandria ALEX

Alex-ID: agm088435002 · Space group: R3 (#146)

Basic Information

Formula
CsK2NpCl6
Alex-ID
agm088435002
Elements
4
Sites
10
Space group
R3 (#146)
Crystal system
trigonal
Volume
369.43
ų
Cell a
8.2277
Å
Cell b
8.2277
Å
Cell c
8.2277
Å
α angle
57.31
°
β angle
57.31
°
γ angle
57.31
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CsK2NpCl6
Cs
1.00 · 10.0%
K
2.00 · 20.0%
Np
1.00 · 10.0%
Cl
6.00 · 60.0%

Energy & Stability

Energy above hull
0.0132
eV/atom
Formation energy
-2.2567
eV/atom
Corrected total energy
-46.0921
eV
Raw total energy
-46.0921
eV

Electronic Structure

Indirect band gap
0.0903
eV
Direct band gap
0.0929
eV
DOS at Fermi level
8.8408
Total magnetisation
4.0000
μB

Additional Information

Prototype ID

ABC2D6_1355_spg1

Decomposition

K3NpCl6 Cs2KNpCl6

Computed at

2025-03-14 12:42:13

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: agm088435002).

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 agm088435002
data_agm088435002
_cell_length_a     8.22766
_cell_length_b     8.22766
_cell_length_c     8.22766
_cell_angle_alpha  57.30787
_cell_angle_beta   57.30787
_cell_angle_gamma  57.30787
_cell_volume       369.42585
_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
  Cs1 Cs 0.05007 0.05007 0.05007 1.00000
  K1 K 0.57258 0.57258 0.57258 1.00000
  K2 K 0.78388 0.78388 0.78388 1.00000
  Np1 Np 0.27388 0.27388 0.27388 1.00000
  Cl1 Cl 0.15836 0.49033 0.93373 1.00000
  Cl2 Cl 0.49033 0.93373 0.15836 1.00000
  Cl3 Cl 0.93373 0.15836 0.49033 1.00000
  Cl4 Cl 0.02071 0.58018 0.43973 1.00000
  Cl5 Cl 0.58018 0.43973 0.02071 1.00000
  Cl6 Cl 0.43973 0.02071 0.58018 1.00000
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