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NpCoIr

Alexandria ALEX

Alex-ID: agm005691620 · Space group: Imma (#74)

Basic Information

Formula
NpCoIr
Alex-ID
agm005691620
Elements
3
Sites
6
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
97.28
ų
Cell a
4.9861
Å
Cell b
5.1584
Å
Cell c
5.1584
Å
α angle
62.82
°
β angle
61.10
°
γ angle
61.10
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpCoIr
Np
2.00 · 33.3%
Co
2.00 · 33.3%
Ir
2.00 · 33.3%

Energy & Stability

Energy above hull
0.0104
eV/atom
Formation energy
-0.2829
eV/atom
Corrected total energy
-59.5486
eV
Raw total energy
-59.5486
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0033
eV
DOS at Fermi level
14.2320
Total magnetisation
5.0444
μB

Additional Information

Prototype ID

ABC_1865_spg46

Decomposition

Np2CoIr3 NpCo Co

Computed at

2023-06-17 05:33:56.951743

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: agm005691620).

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 agm005691620
data_agm005691620
_cell_length_a     4.98615
_cell_length_b     5.15836
_cell_length_c     5.15836
_cell_angle_alpha  62.81912
_cell_angle_beta   61.09834
_cell_angle_gamma  61.09834
_cell_volume       97.27555
_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 0.87636 0.37364 0.37364 1.00000
  Np2 Np 0.12364 0.62636 0.62636 1.00000
  Co1 Co 0.00000 0.00000 0.00000 1.00000
  Co2 Co 0.50000 0.00000 0.00000 1.00000
  Ir1 Ir 0.50000 0.50000 0.00000 1.00000
  Ir2 Ir 0.50000 0.00000 0.50000 1.00000
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