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Er2Co5GeB2

Alexandria ALEX

Alex-ID: agm005129896 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Er2Co5GeB2
Alex-ID
agm005129896
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
242.76
ų
Cell a
3.0758
Å
Cell b
8.8840
Å
Cell c
8.8840
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2Co5GeB2
Er
4.00 · 20.0%
Co
10.00 · 50.0%
Ge
2.00 · 10.0%
B
4.00 · 20.0%

Energy & Stability

Energy above hull
0.0821
eV/atom
Formation energy
-0.4326
eV/atom
Corrected total energy
-134.0861
eV
Raw total energy
-134.0861
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0044
eV
DOS at Fermi level
8.4683
Total magnetisation
0.0003
μB

Additional Information

Prototype ID

AB2C2D5_48_spg127

Decomposition

ErCo3 ErCo3GeB ErCo3B2 ErCoGe

Computed at

2022-07-14 12:58:01.926313

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: agm005129896).

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 agm005129896
data_agm005129896
_cell_length_a     3.07580
_cell_length_b     8.88400
_cell_length_c     8.88400
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       242.75888
_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 0.67753 0.17753 1.00000
  Er2 Er 0.00000 0.32247 0.82247 1.00000
  Er3 Er 0.00000 0.17753 0.32247 1.00000
  Er4 Er 0.00000 0.82247 0.67753 1.00000
  Co1 Co 0.50000 0.22426 0.06815 1.00000
  Co2 Co 0.50000 0.77574 0.93185 1.00000
  Co3 Co 0.50000 0.06815 0.77574 1.00000
  Co4 Co 0.50000 0.72426 0.43185 1.00000
  Co5 Co 0.50000 0.93185 0.22426 1.00000
  Co6 Co 0.50000 0.27574 0.56815 1.00000
  Co7 Co 0.50000 0.56815 0.72426 1.00000
  Co8 Co 0.50000 0.43185 0.27574 1.00000
  Co9 Co 0.50000 0.50000 0.00000 1.00000
  Co10 Co 0.50000 0.00000 0.50000 1.00000
  Ge1 Ge 0.00000 0.00000 0.00000 1.00000
  Ge2 Ge 0.00000 0.50000 0.50000 1.00000
  B1 B 0.00000 0.11704 0.61704 1.00000
  B2 B 0.00000 0.88296 0.38296 1.00000
  B3 B 0.00000 0.61704 0.88296 1.00000
  B4 B 0.00000 0.38296 0.11704 1.00000
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