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Er2Mn3Ge4Ir

Alexandria ALEX

Alex-ID: agm034214385 · Space group: P-4m2 (#115)

Basic Information

Formula
Er2Mn3Ge4Ir
Alex-ID
agm034214385
Elements
4
Sites
10
Space group
P-4m2 (#115)
Crystal system
tetragonal
Volume
169.26
ų
Cell a
3.9745
Å
Cell b
3.9745
Å
Cell c
10.7148
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2Mn3Ge4Ir
Er
2.00 · 20.0%
Mn
3.00 · 30.0%
Ge
4.00 · 40.0%
Ir
1.00 · 10.0%

Energy & Stability

Energy above hull
0.0247
eV/atom
Formation energy
-0.5385
eV/atom
Corrected total energy
-69.3494
eV
Raw total energy
-69.3494
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0038
eV
DOS at Fermi level
3.4804
Total magnetisation
6.6494
μB

Additional Information

Prototype ID

AB2C3D4_8_spg115

Decomposition

Er(MnGe)2 ErGeIr Er(MnGe)6

Computed at

2025-01-05 18:19:35

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: agm034214385).

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 agm034214385
data_agm034214385
_cell_length_a     3.97447
_cell_length_b     3.97447
_cell_length_c     10.71480
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       169.25567
_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
  Er1 Er 0.00000 0.50000 0.24721 1.00000
  Er2 Er 0.50000 0.00000 0.75279 1.00000
  Mn1 Mn 0.50000 0.50000 0.00000 1.00000
  Mn2 Mn 0.50000 0.50000 0.50000 1.00000
  Mn3 Mn 0.00000 0.00000 0.00000 1.00000
  Ge1 Ge 0.50000 0.00000 0.36333 1.00000
  Ge2 Ge 0.00000 0.50000 0.87118 1.00000
  Ge3 Ge 0.00000 0.50000 0.63667 1.00000
  Ge4 Ge 0.50000 0.00000 0.12882 1.00000
  Ir1 Ir 0.00000 0.00000 0.50000 1.00000
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