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ErBeCu4

Alexandria ALEX

Alex-ID: agm077644264 · Space group: P-6m2 (#187)

Basic Information

Formula
ErBeCu4
Alex-ID
agm077644264
Elements
3
Sites
6
Space group
P-6m2 (#187)
Crystal system
hexagonal
Volume
85.36
ų
Cell a
5.0425
Å
Cell b
5.0425
Å
Cell c
3.8765
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
ErBeCu4
Er
1.00 · 16.7%
Be
1.00 · 16.7%
Cu
4.00 · 66.7%

Energy & Stability

Energy above hull
0.0478
eV/atom
Formation energy
-0.1238
eV/atom
Corrected total energy
-25.6718
eV
Raw total energy
-25.6718
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.3070
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

ABC4_1194_spg82

Decomposition

Er2Cu7 Be2Cu

Computed at

2025-04-14 09:43:51

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: agm077644264).

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 agm077644264
data_agm077644264
_cell_length_a     5.04252
_cell_length_b     5.04252
_cell_length_c     3.87647
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       85.36148
_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 0.33333 0.66667 0.00000 1.00000
  Be1 Be 0.66667 0.33333 0.00000 1.00000
  Cu1 Cu 0.34209 0.17105 0.50000 1.00000
  Cu2 Cu 0.82895 0.65791 0.50000 1.00000
  Cu3 Cu 0.82895 0.17105 0.50000 1.00000
  Cu4 Cu 0.00000 0.00000 0.00000 1.00000
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