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HoMgB14

Alexandria ALEX

Alex-ID: agm005754737 · Space group: Imma (#74)

Basic Information

Formula
HoMgB14
Alex-ID
agm005754737
Elements
3
Sites
32
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
259.87
ų
Cell a
5.9321
Å
Cell b
7.3506
Å
Cell c
7.3506
Å
α angle
68.20
°
β angle
66.20
°
γ angle
66.20
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HoMgB14
Ho
2.00 · 6.3%
Mg
2.00 · 6.3%
B
28.00 · 87.5%

Energy & Stability

Energy above hull
0.0351
eV/atom
Formation energy
-0.2192
eV/atom
Corrected total energy
-206.3292
eV
Raw total energy
-206.3292
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.4814
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC14_1_spg74

Decomposition

HoB12 MgB7 HoB4

Computed at

2023-07-18 13:56:22.879728

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: agm005754737).

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 agm005754737
data_agm005754737
_cell_length_a     5.93211
_cell_length_b     7.35056
_cell_length_c     7.35056
_cell_angle_alpha  68.19634
_cell_angle_beta   66.20192
_cell_angle_gamma  66.20192
_cell_volume       259.86506
_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 0.25000 0.39156 0.10844 1.00000
  Ho2 Ho 0.75000 0.60844 0.89156 1.00000
  Mg1 Mg 0.50000 0.00000 0.50000 1.00000
  Mg2 Mg 0.00000 0.00000 0.50000 1.00000
  B1 B 0.66678 0.36375 0.30269 1.00000
  B2 B 0.33322 0.63625 0.69731 1.00000
  B3 B 0.16678 0.80269 0.86375 1.00000
  B4 B 0.83322 0.19731 0.13625 1.00000
  B5 B 0.13609 0.24002 0.48779 1.00000
  B6 B 0.86391 0.75998 0.51221 1.00000
  B7 B 0.63609 0.98779 0.74002 1.00000
  B8 B 0.36391 0.01221 0.25998 1.00000
  B9 B 0.08408 0.08663 0.74520 1.00000
  B10 B 0.91592 0.91337 0.25480 1.00000
  B11 B 0.58408 0.24520 0.58663 1.00000
  B12 B 0.41592 0.75480 0.41337 1.00000
  B13 B 0.72088 0.60012 0.27732 1.00000
  B14 B 0.59831 0.39988 0.72268 1.00000
  B15 B 0.22088 0.77732 0.10012 1.00000
  B16 B 0.09831 0.22268 0.89988 1.00000
  B17 B 0.27912 0.39988 0.72268 1.00000
  B18 B 0.40169 0.60012 0.27732 1.00000
  B19 B 0.77912 0.22268 0.89988 1.00000
  B20 B 0.90169 0.77732 0.10012 1.00000
  B21 B 0.32498 0.96908 0.87661 1.00000
  B22 B 0.17067 0.03092 0.12339 1.00000
  B23 B 0.82498 0.37661 0.46908 1.00000
  B24 B 0.67067 0.62339 0.53092 1.00000
  B25 B 0.67502 0.03092 0.12339 1.00000
  B26 B 0.82933 0.96908 0.87661 1.00000
  B27 B 0.17502 0.62339 0.53092 1.00000
  B28 B 0.32933 0.37661 0.46908 1.00000
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