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Er20Si12C

Alexandria ALEX

Alex-ID: agm005237609 · Space group: P2/m (#10)

Basic Information

Formula
Er20Si12C
Alex-ID
agm005237609
Elements
3
Sites
33
Space group
P2/m (#10)
Crystal system
monoclinic
Volume
763.68
ų
Cell a
6.3025
Å
Cell b
8.3672
Å
Cell c
14.4816
Å
α angle
90.00
°
β angle
90.00
°
γ angle
89.96
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er20Si12C
Er
20.00 · 60.6%
Si
12.00 · 36.4%
C
1.00 · 3.0%

Energy & Stability

Energy above hull
0.0050
eV/atom
Formation energy
-0.7023
eV/atom
Corrected total energy
-188.7319
eV
Raw total energy
-188.7319
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0034
eV
DOS at Fermi level
17.6347
Total magnetisation
0.0004
μB

Additional Information

Prototype ID

AB12C20_2_spg10

Decomposition

Er15Si9C Er5Si3

Computed at

2024-10-04 04:53:47

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: agm005237609).

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 agm005237609
data_agm005237609
_cell_length_a     6.30249
_cell_length_b     8.36722
_cell_length_c     14.48157
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  89.96462
_cell_volume       763.67550
_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 0.50000 0.99999 0.33739 1.00000
  Er2 Er 0.49999 0.50001 0.82851 1.00000
  Er3 Er 0.49999 0.50001 0.17149 1.00000
  Er4 Er 0.50000 0.99999 0.66261 1.00000
  Er5 Er 0.00000 0.50001 0.16223 1.00000
  Er6 Er 1.00000 0.00000 0.67088 1.00000
  Er7 Er 1.00000 0.00000 0.32912 1.00000
  Er8 Er 0.00000 0.50001 0.83777 1.00000
  Er9 Er 0.72610 0.23533 0.00000 1.00000
  Er10 Er 0.75397 0.74252 0.50000 1.00000
  Er11 Er 0.75258 0.37909 0.37921 1.00000
  Er12 Er 0.72815 0.88180 0.88211 1.00000
  Er13 Er 0.72815 0.88180 0.11789 1.00000
  Er14 Er 0.75258 0.37909 0.62079 1.00000
  Er15 Er 0.27389 0.76467 1.00000 1.00000
  Er16 Er 0.24600 0.25749 0.50000 1.00000
  Er17 Er 0.27186 0.11819 0.11789 1.00000
  Er18 Er 0.24744 0.62092 0.62079 1.00000
  Er19 Er 0.24744 0.62092 0.37921 1.00000
  Er20 Er 0.27186 0.11819 0.88211 1.00000
  Si1 Si 0.73554 0.60068 1.00000 1.00000
  Si2 Si 0.75906 0.10456 0.50000 1.00000
  Si3 Si 0.74362 0.19917 0.19973 1.00000
  Si4 Si 0.75414 0.69769 0.69727 1.00000
  Si5 Si 0.75414 0.69769 0.30273 1.00000
  Si6 Si 0.74362 0.19917 0.80027 1.00000
  Si7 Si 0.26445 0.39932 0.00000 1.00000
  Si8 Si 0.24094 0.89544 0.50000 1.00000
  Si9 Si 0.24587 0.30230 0.30273 1.00000
  Si10 Si 0.25638 0.80083 0.80027 1.00000
  Si11 Si 0.25638 0.80083 0.19973 1.00000
  Si12 Si 0.24587 0.30230 0.69727 1.00000
  C1 C 0.49999 0.99999 0.00000 1.00000
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