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HoUAsN2

Alexandria ALEX

Alex-ID: agm005015590 · Space group: I4mm (#107)

Basic Information

Formula
HoUAsN2
Alex-ID
agm005015590
Elements
4
Sites
5
Space group
I4mm (#107)
Crystal system
tetragonal
Volume
85.93
ų
Cell a
3.8114
Å
Cell b
3.8114
Å
Cell c
6.5005
Å
α angle
107.05
°
β angle
107.05
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HoUAsN2
Ho
1.00 · 20.0%
U
1.00 · 20.0%
As
1.00 · 20.0%
N
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0704
eV/atom
Formation energy
-1.5072
eV/atom
Corrected total energy
-43.9570
eV
Raw total energy
-43.9570
eV

Electronic Structure

Indirect band gap
0.0884
eV
Direct band gap
0.2347
eV
DOS at Fermi level
0.3373
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Ho2UN4 U4N7 HoAs As

Computed at

2022-07-04 17:07:28.915402

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: agm005015590).

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 agm005015590
data_agm005015590
_cell_length_a     3.81139
_cell_length_b     3.81139
_cell_length_c     6.50051
_cell_angle_alpha  107.04729
_cell_angle_beta   107.04729
_cell_angle_gamma  90.00000
_cell_volume       85.93271
_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 0.84809 0.84809 0.69617 1.00000
  U1 U 0.15886 0.15886 0.31772 1.00000
  As1 As 0.50993 0.50993 0.01986 1.00000
  N1 N 0.74156 0.24156 0.48312 1.00000
  N2 N 0.24156 0.74156 0.48312 1.00000
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