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HoMnCuGe2

Alexandria ALEX

Alex-ID: agm005016291 · Space group: I-4m2 (#119)

Basic Information

Formula
HoMnCuGe2
Alex-ID
agm005016291
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
86.59
ų
Cell a
4.0394
Å
Cell b
4.0394
Å
Cell c
6.0265
Å
α angle
109.58
°
β angle
109.58
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HoMnCuGe2
Ho
1.00 · 20.0%
Mn
1.00 · 20.0%
Cu
1.00 · 20.0%
Ge
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0651
eV/atom
Formation energy
-0.4323
eV/atom
Corrected total energy
-29.3040
eV
Raw total energy
-29.3040
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0001
eV
DOS at Fermi level
2.5219
Total magnetisation
3.2560
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Ho(MnGe)2 Ho3(CuGe)4 Ho(MnGe)6

Computed at

2022-07-04 14:48:24.141621

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: agm005016291).

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 agm005016291
data_agm005016291
_cell_length_a     4.03936
_cell_length_b     4.03936
_cell_length_c     6.02653
_cell_angle_alpha  109.58054
_cell_angle_beta   109.58054
_cell_angle_gamma  90.00000
_cell_volume       86.58592
_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 0.00000 0.00000 1.00000
  Mn1 Mn 0.25000 0.75000 0.50000 1.00000
  Cu1 Cu 0.75000 0.25000 0.50000 1.00000
  Ge1 Ge 0.61780 0.61780 0.23561 1.00000
  Ge2 Ge 0.38220 0.38220 0.76439 1.00000
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