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Er3Co7Ir2

Alexandria ALEX

Alex-ID: agm024547652 · Space group: R-3m (#166)

Basic Information

Formula
Er3Co7Ir2
Alex-ID
agm024547652
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
181.47
ų
Cell a
8.7934
Å
Cell b
8.7934
Å
Cell c
8.7934
Å
α angle
33.20
°
β angle
33.20
°
γ angle
33.20
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er3Co7Ir2
Er
3.00 · 25.0%
Co
7.00 · 58.3%
Ir
2.00 · 16.7%

Energy & Stability

Energy above hull
0.1215
eV/atom
Formation energy
-0.2438
eV/atom
Corrected total energy
-84.2026
eV
Raw total energy
-84.2026
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
17.8504
Total magnetisation
10.2342
μB

Additional Information

Prototype ID

A2B3C7_69_spg12

Decomposition

Er2Co17 ErCoIr Er5Ir4

Computed at

2025-05-15 22:47:52

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: agm024547652).

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 agm024547652
data_agm024547652
_cell_length_a     8.79336
_cell_length_b     8.79336
_cell_length_c     8.79336
_cell_angle_alpha  33.19893
_cell_angle_beta   33.19893
_cell_angle_gamma  33.19893
_cell_volume       181.46632
_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 0.00000 0.00000 1.00000
  Er2 Er 0.13994 0.13994 0.13994 1.00000
  Er3 Er 0.86006 0.86006 0.86006 1.00000
  Co1 Co 0.50000 0.50000 0.50000 1.00000
  Co2 Co 0.08166 0.58701 0.58701 1.00000
  Co3 Co 0.58701 0.58701 0.08166 1.00000
  Co4 Co 0.58701 0.08166 0.58701 1.00000
  Co5 Co 0.91834 0.41299 0.41299 1.00000
  Co6 Co 0.41299 0.91834 0.41299 1.00000
  Co7 Co 0.41299 0.41299 0.91834 1.00000
  Ir1 Ir 0.33448 0.33448 0.33448 1.00000
  Ir2 Ir 0.66552 0.66552 0.66552 1.00000
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