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Ho3Tm4NpAs8

Alexandria ALEX

Alex-ID: agm046569735 · Space group: R-3m (#166)

Basic Information

Formula
Ho3Tm4NpAs8
Alex-ID
agm046569735
Elements
4
Sites
16
Space group
R-3m (#166)
Crystal system
trigonal
Volume
385.13
ų
Cell a
8.1655
Å
Cell b
8.1655
Å
Cell c
8.1655
Å
α angle
60.02
°
β angle
60.02
°
γ angle
60.02
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho3Tm4NpAs8
Ho
3.00 · 18.8%
Tm
4.00 · 25.0%
Np
1.00 · 6.3%
As
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0117
eV/atom
Formation energy
-1.4027
eV/atom
Corrected total energy
-104.2018
eV
Raw total energy
-104.2018
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
12.0806
Total magnetisation
3.8053
μB

Additional Information

Prototype ID

AB3C4D8_531_spg1

Decomposition

HoTmAs2 HoTm3As4 NpAs

Computed at

2025-03-14 10:00:17

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: agm046569735).

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 agm046569735
data_agm046569735
_cell_length_a     8.16546
_cell_length_b     8.16546
_cell_length_c     8.16546
_cell_angle_alpha  60.01852
_cell_angle_beta   60.01852
_cell_angle_gamma  60.01852
_cell_volume       385.13146
_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 0.00000 0.50000 0.50000 1.00000
  Ho2 Ho 0.50000 0.50000 0.00000 1.00000
  Ho3 Ho 0.50000 0.00000 0.50000 1.00000
  Tm1 Tm 0.50000 0.50000 0.50000 1.00000
  Tm2 Tm 0.00000 0.50000 0.00000 1.00000
  Tm3 Tm 0.50000 0.00000 0.00000 1.00000
  Tm4 Tm 0.00000 0.00000 0.50000 1.00000
  Np1 Np 0.00000 0.00000 0.00000 1.00000
  As1 As 0.25032 0.25032 0.75130 1.00000
  As2 As 0.75130 0.25032 0.25032 1.00000
  As3 As 0.24921 0.24921 0.24921 1.00000
  As4 As 0.25032 0.75130 0.25032 1.00000
  As5 As 0.74968 0.24870 0.74968 1.00000
  As6 As 0.75079 0.75079 0.75079 1.00000
  As7 As 0.24870 0.74968 0.74968 1.00000
  As8 As 0.74968 0.74968 0.24870 1.00000
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