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Ho2NpSe3

Alexandria ALEX

Alex-ID: agm040632476 · Space group: Fddd (#70)

Basic Information

Formula
Ho2NpSe3
Alex-ID
agm040632476
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
572.38
ų
Cell a
13.4989
Å
Cell b
12.8713
Å
Cell c
7.0507
Å
α angle
79.47
°
β angle
69.63
°
γ angle
30.90
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho2NpSe3
Ho
8.00 · 33.3%
Np
4.00 · 16.7%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.1152
eV/atom
Formation energy
-1.5087
eV/atom
Corrected total energy
-166.4866
eV
Raw total energy
-166.4866
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0013
eV
DOS at Fermi level
42.5039
Total magnetisation
18.4924
μB

Additional Information

Prototype ID

AB2C3_2914_spg15

Decomposition

Ho3Se4 Ho5Se6 Np2Se

Computed at

2025-04-14 08:09:38

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: agm040632476).

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 agm040632476
data_agm040632476
_cell_length_a     13.49887
_cell_length_b     12.87135
_cell_length_c     7.05068
_cell_angle_alpha  79.47179
_cell_angle_beta   69.62942
_cell_angle_gamma  30.89879
_cell_volume       572.37930
_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
  Ho1 Ho 0.00013 0.00013 0.49987 1.00000
  Ho2 Ho 0.41671 0.41671 0.58329 1.00000
  Ho3 Ho 0.83329 0.83329 0.66671 1.00000
  Ho4 Ho 0.24987 0.24987 0.75013 1.00000
  Ho5 Ho 0.75013 0.75013 0.24987 1.00000
  Ho6 Ho 0.66671 0.66671 0.83329 1.00000
  Ho7 Ho 0.58329 0.58329 0.41671 1.00000
  Ho8 Ho 0.49987 0.49987 0.00013 1.00000
  Np1 Np 0.91674 0.91674 0.08326 1.00000
  Np2 Np 0.33326 0.33326 0.16674 1.00000
  Np3 Np 0.16674 0.16674 0.33326 1.00000
  Np4 Np 0.08326 0.08326 0.91674 1.00000
  Se1 Se 0.66774 0.16676 0.82922 1.00000
  Se2 Se 0.16676 0.66774 0.33628 1.00000
  Se3 Se 0.58226 0.08324 0.42078 1.00000
  Se4 Se 0.08324 0.58226 0.91372 1.00000
  Se5 Se 0.50363 0.99637 0.99637 1.00000
  Se6 Se 0.99637 0.50363 0.50363 1.00000
  Se7 Se 0.91372 0.42078 0.08324 1.00000
  Se8 Se 0.42078 0.91372 0.58226 1.00000
  Se9 Se 0.33628 0.82922 0.16676 1.00000
  Se10 Se 0.82922 0.33628 0.66774 1.00000
  Se11 Se 0.74637 0.25363 0.25363 1.00000
  Se12 Se 0.25363 0.74637 0.74637 1.00000
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