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NpAl5Co3

Alexandria ALEX

Alex-ID: agm012795641 · Space group: Pnma (#62)

Basic Information

Formula
NpAl5Co3
Alex-ID
agm012795641
Elements
3
Sites
36
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
538.90
ų
Cell a
3.8643
Å
Cell b
7.1526
Å
Cell c
19.4973
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpAl5Co3
Np
4.00 · 11.1%
Al
20.00 · 55.6%
Co
12.00 · 33.3%

Energy & Stability

Energy above hull
0.1513
eV/atom
Formation energy
-0.3048
eV/atom
Corrected total energy
-223.1307
eV
Raw total energy
-223.1307
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0009
eV
DOS at Fermi level
50.3680
Total magnetisation
12.8799
μB

Additional Information

Prototype ID

AB3C5_26_spg62

Decomposition

Al5Co2 AlCo Np

Computed at

2024-06-28 17:07:00.031379

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: agm012795641).

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 agm012795641
data_agm012795641
_cell_length_a     3.86433
_cell_length_b     7.15256
_cell_length_c     19.49735
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       538.90337
_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 0.25000 0.62332 0.63889 1.00000
  Np2 Np 0.75000 0.37668 0.36111 1.00000
  Np3 Np 0.25000 0.87668 0.13889 1.00000
  Np4 Np 0.75000 0.12332 0.86111 1.00000
  Al1 Al 0.75000 0.86493 0.37948 1.00000
  Al2 Al 0.75000 0.38179 0.98901 1.00000
  Al3 Al 0.75000 0.18467 0.20377 1.00000
  Al4 Al 0.25000 0.37107 0.49532 1.00000
  Al5 Al 0.25000 0.12893 0.99532 1.00000
  Al6 Al 0.25000 0.81533 0.79623 1.00000
  Al7 Al 0.75000 0.55496 0.20824 1.00000
  Al8 Al 0.25000 0.13507 0.62052 1.00000
  Al9 Al 0.25000 0.05496 0.29176 1.00000
  Al10 Al 0.25000 0.68467 0.29623 1.00000
  Al11 Al 0.75000 0.63507 0.87948 1.00000
  Al12 Al 0.25000 0.44504 0.79176 1.00000
  Al13 Al 0.75000 0.87107 0.00468 1.00000
  Al14 Al 0.75000 0.11821 0.48901 1.00000
  Al15 Al 0.75000 0.62893 0.50468 1.00000
  Al16 Al 0.25000 0.61821 0.01099 1.00000
  Al17 Al 0.25000 0.36493 0.12052 1.00000
  Al18 Al 0.25000 0.88179 0.51099 1.00000
  Al19 Al 0.75000 0.94504 0.70824 1.00000
  Al20 Al 0.75000 0.31533 0.70377 1.00000
  Co1 Co 0.75000 0.86945 0.24969 1.00000
  Co2 Co 0.25000 0.36945 0.25031 1.00000
  Co3 Co 0.25000 0.13055 0.75031 1.00000
  Co4 Co 0.75000 0.63055 0.74969 1.00000
  Co5 Co 0.25000 0.65380 0.42150 1.00000
  Co6 Co 0.75000 0.90856 0.58610 1.00000
  Co7 Co 0.75000 0.59144 0.08610 1.00000
  Co8 Co 0.25000 0.40856 0.91390 1.00000
  Co9 Co 0.75000 0.34620 0.57850 1.00000
  Co10 Co 0.25000 0.84620 0.92150 1.00000
  Co11 Co 0.75000 0.15380 0.07850 1.00000
  Co12 Co 0.25000 0.09144 0.41390 1.00000
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