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Ho2Mn22Nb2H

Alexandria ALEX

Alex-ID: agm006413331 · Space group: Cm (#8)

Basic Information

Formula
Ho2Mn22Nb2H
Alex-ID
agm006413331
Elements
4
Sites
27
Space group
Cm (#8)
Crystal system
monoclinic
Volume
337.05
ų
Cell a
6.4404
Å
Cell b
6.4404
Å
Cell c
11.9941
Å
α angle
90.21
°
β angle
89.79
°
γ angle
137.35
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho2Mn22Nb2H
Ho
2.00 · 7.4%
Mn
22.00 · 81.5%
Nb
2.00 · 7.4%
H
1.00 · 3.7%

Energy & Stability

Energy above hull
0.0551
eV/atom
Formation energy
-0.0241
eV/atom
Corrected total energy
-234.9187
eV
Raw total energy
-234.9187
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0092
eV
DOS at Fermi level
35.6893
Total magnetisation
0.0896
μB

Additional Information

Prototype ID

AB2C2D22_0_spg8

Decomposition

Ho2Mn17 Mn2Nb HoH2 Mn

Computed at

2025-05-29 14:37:29

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: agm006413331).

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 agm006413331
data_agm006413331
_cell_length_a     6.44042
_cell_length_b     6.44042
_cell_length_c     11.99412
_cell_angle_alpha  90.20673
_cell_angle_beta   89.79327
_cell_angle_gamma  137.35293
_cell_volume       337.04678
_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 0.99817 0.00183 0.99838 1.00000
  Ho2 Ho 0.49809 0.50191 0.49813 1.00000
  Mn1 Mn 0.61052 0.38948 0.89049 1.00000
  Mn2 Mn 0.10844 0.89156 0.39309 1.00000
  Mn3 Mn 0.89308 0.10692 0.60844 1.00000
  Mn4 Mn 0.39060 0.60940 0.11072 1.00000
  Mn5 Mn 0.10973 0.89027 0.60906 1.00000
  Mn6 Mn 0.60905 0.39095 0.10997 1.00000
  Mn7 Mn 0.38716 0.61284 0.88703 1.00000
  Mn8 Mn 0.88555 0.11445 0.38592 1.00000
  Mn9 Mn 0.24002 0.24892 0.75307 1.00000
  Mn10 Mn 0.74066 0.75166 0.25323 1.00000
  Mn11 Mn 0.75108 0.75998 0.75307 1.00000
  Mn12 Mn 0.24834 0.25934 0.25323 1.00000
  Mn13 Mn 0.00816 0.50144 0.49510 1.00000
  Mn14 Mn 0.50716 0.00184 0.99512 1.00000
  Mn15 Mn 0.49856 0.99184 0.49510 1.00000
  Mn16 Mn 0.99816 0.49284 0.99512 1.00000
  Mn17 Mn 0.31890 0.68110 0.68111 1.00000
  Mn18 Mn 0.81752 0.18248 0.18031 1.00000
  Mn19 Mn 0.18138 0.81862 0.81841 1.00000
  Mn20 Mn 0.67976 0.32024 0.31810 1.00000
  Mn21 Mn 0.82703 0.17297 0.82713 1.00000
  Mn22 Mn 0.32668 0.67332 0.32664 1.00000
  Nb1 Nb 0.68377 0.31623 0.68317 1.00000
  Nb2 Nb 0.18282 0.81718 0.18354 1.00000
  H1 H 0.49799 0.50201 0.99811 1.00000
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