Navigation

HEAS Data Platform · Materials Science Database

Cs2Np(H2O3)2

Alexandria ALEX

Alex-ID: agm081968347 · Space group: P4/mnc (#128)

Basic Information

Formula
Cs2Np(H2O3)2
Alex-ID
agm081968347
Elements
4
Sites
26
Space group
P4/mnc (#128)
Crystal system
tetragonal
Volume
404.24
ų
Cell a
5.9449
Å
Cell b
5.9449
Å
Cell c
11.4380
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs2Np(H2O3)2
Cs
4.00 · 15.4%
Np
2.00 · 7.7%
H
8.00 · 30.8%
O
12.00 · 46.2%

Energy & Stability

Energy above hull
0.0206
eV/atom
Formation energy
-2.1510
eV/atom
Corrected total energy
-170.6504
eV
Raw total energy
-162.2229
eV

Electronic Structure

Indirect band gap
0.5941
eV
Direct band gap
0.6061
eV
DOS at Fermi level
-0.2578
Total magnetisation
2.0000
μB

Additional Information

Prototype ID

AB2C4D6_123_spg128

Decomposition

Cs2NpO4 H2O

Computed at

2025-03-15 07:30:25

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: agm081968347).

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 agm081968347
data_agm081968347
_cell_length_a     5.94487
_cell_length_b     5.94487
_cell_length_c     11.43804
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       404.23762
_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 0.50000 0.00000 0.25000 1.00000
  Cs2 Cs 0.50000 0.00000 0.75000 1.00000
  Cs3 Cs 0.00000 0.50000 0.25000 1.00000
  Cs4 Cs 0.00000 0.50000 0.75000 1.00000
  Np1 Np 0.50000 0.50000 0.00000 1.00000
  Np2 Np 0.00000 0.00000 0.50000 1.00000
  H1 H 0.26080 0.58486 0.50000 1.00000
  H2 H 0.73920 0.41514 0.50000 1.00000
  H3 H 0.41514 0.26080 0.50000 1.00000
  H4 H 0.58486 0.73920 0.50000 1.00000
  H5 H 0.76080 0.91514 0.00000 1.00000
  H6 H 0.23920 0.08486 0.00000 1.00000
  H7 H 0.91514 0.23920 0.00000 1.00000
  H8 H 0.08486 0.76080 0.00000 1.00000
  O1 O 0.74842 0.21878 0.00000 1.00000
  O2 O 0.25158 0.78122 0.00000 1.00000
  O3 O 0.78122 0.74842 0.00000 1.00000
  O4 O 0.21878 0.25158 0.00000 1.00000
  O5 O 0.24842 0.28122 0.50000 1.00000
  O6 O 0.75158 0.71878 0.50000 1.00000
  O7 O 0.28122 0.75158 0.50000 1.00000
  O8 O 0.71878 0.24842 0.50000 1.00000
  O9 O 0.50000 0.50000 0.16409 1.00000
  O10 O 0.50000 0.50000 0.83591 1.00000
  O11 O 0.00000 0.00000 0.33591 1.00000
  O12 O 0.00000 0.00000 0.66409 1.00000
Get direct link