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Rb4Np(AsO5)2

Alexandria ALEX

Alex-ID: agm019959623 · Space group: P4_2/nmc (#137)

Basic Information

Formula
Rb4Np(AsO5)2
Alex-ID
agm019959623
Elements
4
Sites
34
Space group
P4_2/nmc (#137)
Crystal system
tetragonal
Volume
670.74
ų
Cell a
7.2024
Å
Cell b
7.2024
Å
Cell c
12.9301
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb4Np(AsO5)2
Rb
8.00 · 23.5%
Np
2.00 · 5.9%
As
4.00 · 11.8%
O
20.00 · 58.8%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-2.3764
eV/atom
Corrected total energy
-232.2190
eV
Raw total energy
-218.1732
eV

Electronic Structure

Indirect band gap
0.4770
eV
Direct band gap
0.4770
eV
DOS at Fermi level
1.1093
Total magnetisation
2.0007
μB

Additional Information

Prototype ID

AB2C4D10_18_spg137

Decomposition

Rb4Np(AsO5)2

Computed at

2024-09-14 05:38:22.328294

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: agm019959623).

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 agm019959623
data_agm019959623
_cell_length_a     7.20237
_cell_length_b     7.20237
_cell_length_c     12.93012
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       670.73882
_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
  Rb1 Rb 0.00000 0.25382 0.67310 1.00000
  Rb2 Rb 0.50000 0.24618 0.82690 1.00000
  Rb3 Rb 0.00000 0.74618 0.67310 1.00000
  Rb4 Rb 0.25382 0.00000 0.32690 1.00000
  Rb5 Rb 0.50000 0.75382 0.82690 1.00000
  Rb6 Rb 0.74618 0.00000 0.32690 1.00000
  Rb7 Rb 0.24618 0.50000 0.17310 1.00000
  Rb8 Rb 0.75382 0.50000 0.17310 1.00000
  Np1 Np 0.00000 0.00000 0.00000 1.00000
  Np2 Np 0.50000 0.50000 0.50000 1.00000
  As1 As 0.00000 0.50000 0.41829 1.00000
  As2 As 0.50000 0.00000 0.58171 1.00000
  As3 As 0.50000 0.00000 0.08171 1.00000
  As4 As 0.00000 0.50000 0.91829 1.00000
  O1 O 0.80498 0.50000 0.84416 1.00000
  O2 O 0.00000 0.31383 0.00657 1.00000
  O3 O 0.18617 0.50000 0.50657 1.00000
  O4 O 0.00000 0.68617 0.00657 1.00000
  O5 O 0.69502 0.00000 0.65584 1.00000
  O6 O 0.00000 0.00000 0.14176 1.00000
  O7 O 0.50000 0.81383 0.49343 1.00000
  O8 O 0.50000 0.50000 0.35824 1.00000
  O9 O 0.81383 0.50000 0.50657 1.00000
  O10 O 0.50000 0.19502 0.15584 1.00000
  O11 O 0.19502 0.50000 0.84416 1.00000
  O12 O 0.68617 0.00000 0.99343 1.00000
  O13 O 0.50000 0.18617 0.49343 1.00000
  O14 O 0.31383 0.00000 0.99343 1.00000
  O15 O 0.50000 0.80498 0.15584 1.00000
  O16 O 0.30498 0.00000 0.65584 1.00000
  O17 O 0.50000 0.50000 0.64176 1.00000
  O18 O 0.00000 0.00000 0.85824 1.00000
  O19 O 0.00000 0.30498 0.34416 1.00000
  O20 O 0.00000 0.69502 0.34416 1.00000
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