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NpCo2

Alexandria ALEX

Alex-ID: agm005465065 · Space group: Fd-3m (#227)

Basic Information

Formula
NpCo2
Alex-ID
agm005465065
Elements
2
Sites
6
Space group
Fd-3m (#227)
Crystal system
cubic
Volume
83.86
ų
Cell a
4.9131
Å
Cell b
4.9131
Å
Cell c
4.9131
Å
α angle
60.00
°
β angle
60.00
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpCo2
Np
2.00 · 33.3%
Co
4.00 · 66.7%

Energy & Stability

Energy above hull
0.0641
eV/atom
Formation energy
-0.0637
eV/atom
Corrected total energy
-54.7585
eV
Raw total energy
-54.7585
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
12.8195
Total magnetisation
4.4635
μB

Additional Information

Prototype ID

AB2_1_spg227

Decomposition

NpCo Co

Computed at

2023-03-20 14:23:35.969045

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: agm005465065).

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 agm005465065
data_agm005465065
_cell_length_a     4.91310
_cell_length_b     4.91310
_cell_length_c     4.91310
_cell_angle_alpha  60.00000
_cell_angle_beta   60.00000
_cell_angle_gamma  60.00000
_cell_volume       83.85930
_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
  Np1 Np 0.75000 0.75000 0.75000 1.00000
  Np2 Np 0.50000 0.50000 0.50000 1.00000
  Co1 Co 0.12500 0.12500 0.62500 1.00000
  Co2 Co 0.12500 0.12500 0.12500 1.00000
  Co3 Co 0.62500 0.12500 0.12500 1.00000
  Co4 Co 0.12500 0.62500 0.12500 1.00000
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