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Er7CoBr12

Alexandria ALEX

Alex-ID: agm005804381 · Space group: R-3 (#148)

Alexandria Database API

Basic Information

Formula
Er7CoBr12
Alex-ID
agm005804381
Elements
3
Sites
20
Space group
R-3 (#148)
Crystal system
trigonal
Volume
638.67
ų
Cell a
9.1249
Å
Cell b
9.1249
Å
Cell c
9.1249
Å
α angle
106.65
°
β angle
106.65
°
γ angle
106.65
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er7CoBr12
Er
7.00 · 35.0%
Co
1.00 · 5.0%
Br
12.00 · 60.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.5545
eV/atom
Corrected total energy
-90.2285
eV
Raw total energy
-90.2284
eV

Electronic Structure

Indirect band gap
0.5522
eV
Direct band gap
0.5522
eV
DOS at Fermi level
-0.4057
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB7C12_6_spg148

Decomposition

Er7CoBr12

Computed at

2023-07-15 17:31:34.799092

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: agm005804381).

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 agm005804381
data_agm005804381
_cell_length_a     9.12487
_cell_length_b     9.12487
_cell_length_c     9.12487
_cell_angle_alpha  106.65087
_cell_angle_beta   106.65087
_cell_angle_gamma  106.65087
_cell_volume       638.67132
_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 0.98046 0.70151 0.90312 1.00000
  Er2 Er 0.29849 0.09688 0.01954 1.00000
  Er3 Er 0.09688 0.01954 0.29849 1.00000
  Er4 Er 0.50000 0.50000 0.50000 1.00000
  Er5 Er 0.90312 0.98046 0.70151 1.00000
  Er6 Er 0.70151 0.90312 0.98046 1.00000
  Er7 Er 0.01954 0.29849 0.09688 1.00000
  Co1 Co 0.00000 0.00000 0.00000 1.00000
  Br1 Br 0.93107 0.32615 0.78047 1.00000
  Br2 Br 0.67385 0.21953 0.06893 1.00000
  Br3 Br 0.46282 0.16775 0.38526 1.00000
  Br4 Br 0.83225 0.61474 0.53718 1.00000
  Br5 Br 0.21953 0.06893 0.67385 1.00000
  Br6 Br 0.61474 0.53718 0.83225 1.00000
  Br7 Br 0.38526 0.46282 0.16775 1.00000
  Br8 Br 0.78047 0.93107 0.32615 1.00000
  Br9 Br 0.16775 0.38526 0.46282 1.00000
  Br10 Br 0.53718 0.83225 0.61474 1.00000
  Br11 Br 0.32615 0.78047 0.93107 1.00000
  Br12 Br 0.06893 0.67385 0.21953 1.00000
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