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Ho3Mg(TaN2)4

Alexandria ALEX

Alex-ID: agm044337683 · Space group: R-3m (#166)

Basic Information

Formula
Ho3Mg(TaN2)4
Alex-ID
agm044337683
Elements
4
Sites
16
Space group
R-3m (#166)
Crystal system
trigonal
Volume
189.57
ų
Cell a
6.5090
Å
Cell b
6.5090
Å
Cell c
6.5090
Å
α angle
58.78
°
β angle
58.78
°
γ angle
58.78
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho3Mg(TaN2)4
Ho
3.00 · 18.8%
Mg
1.00 · 6.3%
Ta
4.00 · 25.0%
N
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0910
eV/atom
Formation energy
-1.4988
eV/atom
Corrected total energy
-150.3420
eV
Raw total energy
-150.3420
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.5180
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C4D8_63_spg12

Decomposition

HoTaN2 MgTa2N3 HoN

Computed at

2024-10-15 06:34:39.052604

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: agm044337683).

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 agm044337683
data_agm044337683
_cell_length_a     6.50899
_cell_length_b     6.50899
_cell_length_c     6.50899
_cell_angle_alpha  58.78254
_cell_angle_beta   58.78254
_cell_angle_gamma  58.78254
_cell_volume       189.57437
_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 0.00000 1.00000
  Ho2 Ho 0.50000 0.00000 0.00000 1.00000
  Ho3 Ho 0.00000 0.00000 0.50000 1.00000
  Mg1 Mg 0.50000 0.50000 0.50000 1.00000
  Ta1 Ta 0.00000 0.00000 0.00000 1.00000
  Ta2 Ta 0.50000 0.50000 0.00000 1.00000
  Ta3 Ta 0.50000 0.00000 0.50000 1.00000
  Ta4 Ta 0.00000 0.50000 0.50000 1.00000
  N1 N 0.73091 0.24997 0.24997 1.00000
  N2 N 0.24997 0.73091 0.24997 1.00000
  N3 N 0.25847 0.25847 0.25847 1.00000
  N4 N 0.24997 0.24997 0.73091 1.00000
  N5 N 0.75003 0.75003 0.26909 1.00000
  N6 N 0.74153 0.74153 0.74153 1.00000
  N7 N 0.75003 0.26909 0.75003 1.00000
  N8 N 0.26909 0.75003 0.75003 1.00000
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