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Na2NpCd2O6

Alexandria ALEX

Alex-ID: agm004580983 · Space group: C2/m (#12)

Alexandria Database API

Basic Information

Formula
Na2NpCd2O6
Alex-ID
agm004580983
Elements
4
Sites
11
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
163.87
ų
Cell a
5.7268
Å
Cell b
5.7268
Å
Cell c
6.0356
Å
α angle
100.58
°
β angle
100.58
°
γ angle
117.69
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2NpCd2O6
Na
2.00 · 18.2%
Np
1.00 · 9.1%
Cd
2.00 · 18.2%
O
6.00 · 54.5%

Energy & Stability

Energy above hull
0.0660
eV/atom
Formation energy
-2.2400
eV/atom
Corrected total energy
-71.8149
eV
Raw total energy
-67.6012
eV

Electronic Structure

Indirect band gap
0.7700
eV
Direct band gap
0.7849
eV
DOS at Fermi level
-0.2128
Total magnetisation
1.0000
μB

Additional Information

Prototype ID

AB2C2D6_25_spg12

Decomposition

Na2NpO4 CdO

Computed at

2022-06-24 16:33:41.000711

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: agm004580983).

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 agm004580983
data_agm004580983
_cell_length_a     5.72683
_cell_length_b     5.72683
_cell_length_c     6.03559
_cell_angle_alpha  100.58317
_cell_angle_beta   100.58317
_cell_angle_gamma  117.68740
_cell_volume       163.86500
_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
  Na1 Na 0.82162 0.17838 0.00000 1.00000
  Na2 Na 0.17838 0.82162 0.00000 1.00000
  Np1 Np 0.00000 0.00000 0.50000 1.00000
  Cd1 Cd 0.33779 0.66221 0.50000 1.00000
  Cd2 Cd 0.66221 0.33779 0.50000 1.00000
  O1 O 0.78288 0.78288 0.70850 1.00000
  O2 O 0.06157 0.37108 0.71497 1.00000
  O3 O 0.21712 0.21712 0.29150 1.00000
  O4 O 0.37108 0.06157 0.71497 1.00000
  O5 O 0.93843 0.62892 0.28503 1.00000
  O6 O 0.62892 0.93843 0.28503 1.00000
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