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SmNpPbO2

Alexandria ALEX

Alex-ID: agm049965255 · Space group: I4mm (#107)

Basic Information

Formula
SmNpPbO2
Alex-ID
agm049965255
Elements
4
Sites
5
Space group
I4mm (#107)
Crystal system
tetragonal
Volume
104.69
ų
Cell a
7.3168
Å
Cell b
7.3168
Å
Cell c
7.3168
Å
α angle
148.82
°
β angle
148.82
°
γ angle
44.68
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmNpPbO2
Sm
1.00 · 20.0%
Np
1.00 · 20.0%
Pb
1.00 · 20.0%
O
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0275
eV/atom
Formation energy
-2.4454
eV/atom
Corrected total energy
-43.5161
eV
Raw total energy
-42.1115
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0059
eV
DOS at Fermi level
10.4079
Total magnetisation
3.4556
μB

Additional Information

Prototype ID

ABCD2_219_spg1

Decomposition

Np3PbO4 Sm2O3 Pb Np

Computed at

2025-04-16 03:18:29

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: agm049965255).

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 agm049965255
data_agm049965255
_cell_length_a     7.31683
_cell_length_b     7.31683
_cell_length_c     7.31683
_cell_angle_alpha  148.81766
_cell_angle_beta   148.81766
_cell_angle_gamma  44.67978
_cell_volume       104.69127
_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
  Sm1 Sm 0.16046 0.16046 0.00000 1.00000
  Np1 Np 0.83531 0.83531 0.00000 1.00000
  Pb1 Pb 0.49753 0.49753 0.00000 1.00000
  O1 O 0.25527 0.75527 0.50000 1.00000
  O2 O 0.75527 0.25527 0.50000 1.00000
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