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Ho2NpAs3

Alexandria ALEX

Alex-ID: agm034869876 · Space group: Fddd (#70)

Basic Information

Formula
Ho2NpAs3
Alex-ID
agm034869876
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
584.27
ų
Cell a
7.0999
Å
Cell b
7.0999
Å
Cell c
12.9588
Å
α angle
79.47
°
β angle
100.53
°
γ angle
70.55
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho2NpAs3
Ho
8.00 · 33.3%
Np
4.00 · 16.7%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0084
eV/atom
Formation energy
-1.2386
eV/atom
Corrected total energy
-173.9124
eV
Raw total energy
-173.9124
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0155
eV
DOS at Fermi level
43.8413
Total magnetisation
15.1728
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

NpAs HoAs

Computed at

2025-04-13 12:55:46

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: agm034869876).

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 agm034869876
data_agm034869876
_cell_length_a     7.09987
_cell_length_b     7.09987
_cell_length_c     12.95875
_cell_angle_alpha  79.46647
_cell_angle_beta   100.53353
_cell_angle_gamma  70.54845
_cell_volume       584.26552
_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 0.37536 0.87462 0.25066 1.00000
  Ho2 Ho 0.45789 0.29213 0.41570 1.00000
  Ho3 Ho 0.54211 0.70787 0.58430 1.00000
  Ho4 Ho 0.62464 0.12538 0.74934 1.00000
  Ho5 Ho 0.12538 0.62464 0.75066 1.00000
  Ho6 Ho 0.70787 0.54211 0.91570 1.00000
  Ho7 Ho 0.29213 0.45789 0.08430 1.00000
  Ho8 Ho 0.87462 0.37536 0.24934 1.00000
  Np1 Np 0.95837 0.79165 0.41675 1.00000
  Np2 Np 0.04163 0.20835 0.58325 1.00000
  Np3 Np 0.20835 0.04163 0.91675 1.00000
  Np4 Np 0.79165 0.95837 0.08325 1.00000
  As1 As 0.71057 0.54164 0.41763 1.00000
  As2 As 0.20711 0.04077 0.41759 1.00000
  As3 As 0.28943 0.45836 0.58237 1.00000
  As4 As 0.79289 0.95923 0.58241 1.00000
  As5 As 0.87631 0.37370 0.74998 1.00000
  As6 As 0.37370 0.87631 0.75002 1.00000
  As7 As 0.95923 0.79289 0.91759 1.00000
  As8 As 0.45836 0.28943 0.91763 1.00000
  As9 As 0.04077 0.20711 0.08241 1.00000
  As10 As 0.54164 0.71057 0.08237 1.00000
  As11 As 0.12369 0.62630 0.25002 1.00000
  As12 As 0.62630 0.12369 0.24998 1.00000
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